/* roulang page: index */
:root {
  --primary: #0a1f44;
  --primary-light: #142d5e;
  --primary-soft: #e8edf6;
  --accent: #e8a33d;
  --accent-dark: #d4892a;
  --accent-soft: #fdf3e3;
  --bg: #f6f8fb;
  --bg-white: #ffffff;
  --text: #1c2434;
  --text-muted: #6c7a90;
  --border: #e3e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(10, 31, 68, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 31, 68, 0.08);
  --shadow-lg: 0 16px 40px rgba(10, 31, 68, 0.12);
  --transition: 0.25s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  padding-bottom: 64px;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 992px) {
  body { padding-bottom: 0; }
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--accent); }

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

.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}

/* ===== Header ===== */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 2px 16px rgba(10, 31, 68, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--primary);
  white-space: nowrap;
}

.site-logo:hover { color: var(--primary); }

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .logo-text { font-size: 16px; }
}

.desktop-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
}

.desktop-nav a {
  display: inline-block;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  border-radius: 8px;
  transition: all var(--transition);
}

.desktop-nav a:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.desktop-nav a.active {
  color: var(--primary);
  background: var(--primary-soft);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  transition: all var(--transition);
  box-shadow: 0 4px 14px rgba(10, 31, 68, 0.18);
}

.btn-nav:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 163, 61, 0.3);
  color: var(--primary) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--primary);
  padding: 6px 10px;
}

@media (max-width: 991px) {
  .desktop-nav { display: none; }
  .btn-nav { display: none; }
  .nav-toggle { display: block; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(8, 24, 54, 0.94) 0%, rgba(18, 52, 98, 0.84) 50%, rgba(8, 24, 54, 0.9) 100%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 110px 0 90px;
  color: #fff;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -40px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: rgba(232, 163, 61, 0.14);
  filter: blur(60px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  padding: 7px 18px;
  font-size: 13px;
  color: #f0d9ae;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--primary) !important;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 16px;
  border: none;
  box-shadow: 0 6px 18px rgba(232, 163, 61, 0.35);
  transition: all var(--transition);
}

.btn-gold:hover {
  background: #f5b655;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(232, 163, 61, 0.4);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff !important;
  padding: 11px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  transition: all var(--transition);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat-item .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}

.hero-stat-item .stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
  .hero { padding: 80px 0 60px; }
  .hero-title { font-size: 30px; }
  .hero-subtitle { font-size: 15px; }
  .hero-buttons { gap: 10px; }
  .btn-gold, .btn-outline-light { padding: 10px 20px; font-size: 14px; }
  .hero-stats { gap: 24px; }
  .hero-stat-item .stat-num { font-size: 22px; }
}

/* ===== Section Common ===== */
.section {
  padding: 80px 0;
}

.section-alt { background: var(--bg-white); }

.section-head {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
  line-height: 1.3;
}

.section-desc {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 26px; }
}

/* ===== Feature Cards ===== */
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  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: 3px;
  background: linear-gradient(90deg, var(--accent), #f5c26d);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 22px;
  transition: all var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--accent);
  color: var(--primary);
  transform: scale(1.06);
}

.feature-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.feature-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===== Category Cards ===== */
.category-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: all var(--transition);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.category-img {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.category-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.category-card:hover .category-img img {
  transform: scale(1.06);
}

.category-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 31, 68, 0.55) 0%, transparent 60%);
}

.category-tag {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  background: var(--accent);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
}

.category-body {
  padding: 24px 24px 28px;
}

.category-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.category-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

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

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

/* ===== News Cards ===== */
.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: transparent;
}

.news-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.news-badge {
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
}

.news-date {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.news-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.5;
}

.news-card h3 a {
  color: inherit;
}

.news-card h3 a:hover { color: var(--accent-dark); }

.news-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.65;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.news-more:hover { color: var(--primary); gap: 8px; }

.empty-tip {
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-white);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
}

.empty-tip i {
  font-size: 32px;
  color: #c3ccdb;
  margin-bottom: 12px;
  display: block;
}

.empty-tip p {
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ===== Stats Section ===== */
.stats-section {
  background:
    linear-gradient(135deg, rgba(8, 24, 54, 0.95) 0%, rgba(18, 52, 98, 0.88) 100%),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  padding: 70px 0;
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item .stat-value {
  font-size: 42px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.stat-item .stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 6px;
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .stat-item .stat-value { font-size: 28px; }
}

/* ===== Process ===== */
.process-card {
  position: relative;
  text-align: center;
  padding: 30px 20px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  height: 100%;
  transition: all var(--transition);
}

.process-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.process-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 18px;
  background: var(--primary);
  color: var(--accent);
  font-size: 20px;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.process-card:hover .process-num {
  background: var(--accent);
  color: var(--primary);
  transform: scale(1.08);
}

.process-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.process-text {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ===== Hot Content ===== */
.hot-card {
  display: flex;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: all var(--transition);
}

.hot-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.hot-card img {
  width: 45%;
  object-fit: cover;
  flex-shrink: 0;
}

.hot-body {
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hot-body .hot-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
  width: fit-content;
}

.hot-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.hot-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.6;
}

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

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

@media (max-width: 768px) {
  .hot-card { flex-direction: column; }
  .hot-card img { width: 100%; height: 180px; }
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--bg-white) !important;
}

.accordion-button {
  background: var(--bg-white) !important;
  color: var(--text) !important;
  font-weight: 700;
  font-size: 15px;
  padding: 20px 22px;
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  color: var(--primary) !important;
  background: var(--primary-soft) !important;
}

.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(10, 31, 68, 0.1) !important;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230a1f44'%3e%3cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
}

.accordion-body {
  padding: 0 22px 20px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  padding: 70px 0;
}

.cta-card {
  background:
    linear-gradient(120deg, rgba(8, 24, 54, 0.92) 0%, rgba(18, 52, 98, 0.85) 100%),
    url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -30px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(232, 163, 61, 0.2);
  filter: blur(50px);
}

.cta-card h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
}

.cta-card p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  margin-bottom: 30px;
  position: relative;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--primary) !important;
  padding: 14px 38px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 16px;
  border: none;
  box-shadow: 0 8px 24px rgba(232, 163, 61, 0.35);
  transition: all var(--transition);
  position: relative;
}

.cta-btn:hover {
  background: #f5b655;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(232, 163, 61, 0.45);
}

@media (max-width: 768px) {
  .cta-card { padding: 40px 24px; }
  .cta-card h2 { font-size: 24px; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 0 0;
  margin-top: 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .logo-icon {
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent);
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  display: block;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  padding: 6px 0;
  transition: all var(--transition);
}

.footer-col a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom p { margin-bottom: 0; }

@media (max-width: 768px) {
  .footer-top { flex-direction: column; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== Mobile Tabbar ===== */
.mobile-tabbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  display: flex;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(10, 31, 68, 0.08);
}

@media (min-width: 992px) {
  .mobile-tabbar { display: none; }
}

.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 4px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  border-radius: 12px;
  transition: all var(--transition);
}

.tab-item i {
  font-size: 19px;
  transition: transform var(--transition);
}

.tab-item:hover {
  color: var(--primary);
}

.tab-item.active {
  color: var(--accent-dark);
}

.tab-item.active i {
  transform: translateY(-1px) scale(1.1);
}

/* ===== Buttons focus accessibility ===== */
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(232, 163, 61, 0.5);
  outline-offset: 2px;
}

/* ===== Responsive utility ===== */
@media (max-width: 520px) {
  .section-title { font-size: 22px; }
  .container { padding-left: 16px; padding-right: 16px; }
  .feature-card { padding: 26px 22px; }
  .category-body { padding: 20px; }
  .news-card { padding: 20px; }
  .hero-title { font-size: 26px; }
  .hero { padding: 64px 0 48px; }
}

/* roulang page: article */
:root{
  --primary:#0d1b2a;
  --primary-light:#1b263b;
  --primary-dark:#08111c;
  --accent:#f5a623;
  --accent-dark:#d4891c;
  --accent-light:#fff3d9;
  --danger:#e63946;
  --bg:#f5f7fa;
  --card:#ffffff;
  --text:#1a1d21;
  --text-muted:#6b7280;
  --border:#e5e7eb;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(13,27,42,.06);
  --shadow-lg:0 16px 40px rgba(13,27,42,.12);
  --transition:.25s ease;
}
*,*::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;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  padding-bottom:0;
}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input{font-family:inherit}
.container{max-width:1200px}

/* 顶部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(13,27,42,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background var(--transition);
}
.site-header .header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.site-logo{
  display:flex;align-items:center;gap:12px;
  color:#fff;font-weight:700;font-size:1.3rem;letter-spacing:.5px;
  flex-shrink:0;
}
.logo-icon{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),#ff8b3d);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary-dark);font-size:1.15rem;
  box-shadow:0 6px 18px rgba(245,166,35,.35);
}
.logo-text{white-space:nowrap;font-size:1.2rem}
.desktop-nav{flex:1;display:flex;justify-content:center}
.desktop-nav ul{display:flex;gap:8px;align-items:center}
.desktop-nav a{
  color:rgba(255,255,255,.75);
  font-size:.95rem;font-weight:500;
  padding:10px 18px;border-radius:10px;
  transition:color var(--transition),background var(--transition);
}
.desktop-nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.desktop-nav a.active{color:#fff;background:rgba(245,166,35,.18);position:relative}
.desktop-nav a.active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:4px;height:2px;
  background:var(--accent);border-radius:2px;
}
.btn-nav{
  flex-shrink:0;
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--accent),#ff8b3d);
  color:var(--primary-dark) !important;
  font-weight:700;font-size:.92rem;
  padding:10px 20px;border-radius:10px;
  transition:transform var(--transition),box-shadow var(--transition);
  white-space:nowrap;
}
.btn-nav:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,166,35,.4)}
.nav-toggle{
  display:none;background:none;border:none;color:#fff;
  font-size:1.4rem;cursor:pointer;padding:8px 12px;
}

/* 文章横幅 */
.article-banner{
  position:relative;
  min-height:380px;
  display:flex;align-items:flex-end;
  padding:140px 0 60px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;
}
.banner-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,27,42,.65) 0%,rgba(13,27,42,.82) 60%,rgba(13,27,42,.95) 100%);
}
.banner-overlay::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--accent),#ff8b3d,var(--accent));
}
.article-banner .container{position:relative;z-index:2}
.breadcrumb-nav{
  display:flex;align-items:center;gap:10px;
  font-size:.88rem;color:rgba(255,255,255,.7);
  margin-bottom:18px;
}
.breadcrumb-nav a{color:var(--accent)}
.breadcrumb-nav a:hover{color:#fff}
.breadcrumb-nav .sep{opacity:.5}
.article-banner h1{
  font-size:2.2rem;font-weight:800;line-height:1.35;
  margin-bottom:18px;letter-spacing:.5px;
  text-shadow:0 4px 20px rgba(0,0,0,.4);
  max-width:860px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:18px;
  font-size:.88rem;color:rgba(255,255,255,.78);
  align-items:center;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--accent)}
.article-meta .meta-badge{
  background:rgba(245,166,35,.2);border:1px solid rgba(245,166,35,.4);
  color:var(--accent);padding:2px 12px;border-radius:20px;font-weight:600;
}

/* 文章主体 */
.article-main{padding:56px 0 70px}
.content-card{
  background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:42px 46px;
  border:1px solid rgba(13,27,42,.04);
}
.article-content{font-size:1.02rem;word-wrap:break-word}
.article-content h2,.article-content h3{
  margin:1.8em 0 .8em;color:var(--primary);
  font-weight:800;line-height:1.4;
}
.article-content h2{font-size:1.5rem;padding-bottom:12px;border-bottom:2px solid var(--accent-light)}
.article-content h3{font-size:1.25rem}
.article-content p{margin-bottom:1.3em;color:#2d333b}
.article-content ul,.article-content ol{margin:1.2em 0;padding-left:1.4em}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:.55em;color:#2d333b}
.article-content blockquote{
  border-left:4px solid var(--accent);background:var(--accent-light);
  padding:16px 22px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  margin:1.6em 0;color:var(--primary);
}
.article-content img{border-radius:var(--radius-sm);margin:1.5em 0;box-shadow:var(--shadow-sm)}
.article-content a{color:#e07c1f;font-weight:600;text-decoration:underline}
.article-content a:hover{color:var(--danger)}
.article-content table{width:100%;margin:1.5em 0;border-collapse:collapse}
.article-content table th,.article-content table td{padding:12px 16px;border:1px solid var(--border);text-align:left}
.article-content table th{background:var(--primary);color:#fff;font-weight:600}

/* 文章底部工具 */
.article-footer{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:18px;margin-top:34px;padding-top:26px;
  border-top:1px solid var(--border);
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-item{
  background:var(--accent-light);color:var(--accent-dark);
  font-size:.82rem;font-weight:600;
  padding:6px 14px;border-radius:20px;
  transition:background var(--transition);
}
.tag-item:hover{background:#ffe4b8}
.share-btns{display:flex;gap:10px}
.share-btn{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:.9rem;border:1px solid var(--border);
  background:#fff;color:var(--text-muted);
  transition:all var(--transition);cursor:pointer;
}
.share-btn:hover{transform:translateY(-3px);box-shadow:0 6px 16px rgba(13,27,42,.12)}
.share-btn.weibo:hover{background:#e6162d;color:#fff;border-color:#e6162d}
.share-btn.wechat:hover{background:#07c160;color:#fff;border-color:#07c160}
.share-btn.qq:hover{background:#12b7f5;color:#fff;border-color:#12b7f5}

/* 上一篇下一篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.post-nav-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:18px 22px;transition:all var(--transition);
}
.post-nav-item:hover{border-color:var(--accent);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.post-nav-item.next{text-align:right}
.post-nav-label{font-size:.78rem;color:var(--text-muted);margin-bottom:4px;display:block}
.post-nav-title{font-weight:700;color:var(--primary);font-size:.95rem;line-height:1.5}

/* 相关推荐 */
.related-section{margin-top:48px}
.related-section .section-head{
  display:flex;align-items:center;gap:12px;margin-bottom:24px;
}
.section-title{
  font-size:1.4rem;font-weight:800;color:var(--primary);
  margin-bottom:0;
}
.section-bar{
  width:46px;height:4px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),#ff8b3d);
}
.related-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(13,27,42,.05);box-shadow:var(--shadow-sm);
  transition:all var(--transition);height:100%;
  display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.related-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .thumb img{transform:scale(1.06)}
.related-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(13,27,42,.35));
}
.related-card-body{padding:20px 22px;flex:1;display:flex;flex-direction:column}
.related-card .card-cat{
  font-size:.76rem;font-weight:700;color:var(--accent-dark);
  text-transform:uppercase;letter-spacing:.6px;margin-bottom:8px;
  display:inline-flex;align-items:center;gap:6px;
}
.related-card .card-cat i{font-size:.85rem}
.related-card h4{font-size:1.05rem;font-weight:700;color:var(--primary);margin-bottom:10px;line-height:1.5}
.related-card p{font-size:.88rem;color:var(--text-muted);margin-bottom:16px;flex:1}
.related-card .card-link{
  font-weight:700;color:var(--accent-dark);font-size:.88rem;
  display:inline-flex;align-items:center;gap:8px;
}
.related-card .card-link i{transition:transform var(--transition)}
.related-card:hover .card-link i{transform:translateX(4px)}

/* 侧边栏 */
.side-card{
  background:#fff;border-radius:var(--radius);
  border:1px solid rgba(13,27,42,.05);box-shadow:var(--shadow-sm);
  padding:28px;margin-bottom:24px;
}
.side-card .side-title{
  font-size:1.08rem;font-weight:800;color:var(--primary);
  display:flex;align-items:center;gap:10px;
  padding-bottom:14px;margin-bottom:20px;border-bottom:2px solid var(--accent-light);
}
.side-card .side-title .title-icon{
  width:34px;height:34px;border-radius:9px;
  background:var(--accent-light);color:var(--accent-dark);
  display:flex;align-items:center;justify-content:center;font-size:.9rem;
}
.login-side-box{
  background:linear-gradient(150deg,var(--primary),var(--primary-light));
  border-radius:14px;padding:24px 22px;color:#fff;text-align:center;
}
.login-side-box h4{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.login-side-box p{font-size:.84rem;color:rgba(255,255,255,.72);margin-bottom:16px}
.side-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--accent),#ff8b3d);
  color:var(--primary-dark) !important;font-weight:700;
  padding:10px 26px;border-radius:10px;font-size:.9rem;
  transition:transform var(--transition),box-shadow var(--transition);
}
.side-btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(245,166,35,.4)}
.side-list li{margin-bottom:4px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:10px;
  color:var(--text);font-size:.92rem;font-weight:500;
  transition:background var(--transition),padding-left var(--transition);
}
.side-list a:hover{
  background:var(--accent-light);padding-left:20px;color:var(--accent-dark);
}
.side-list a .num{
  font-size:.8rem;font-weight:700;color:var(--text-muted);
  background:var(--bg);padding:2px 10px;border-radius:12px;
}
.side-list a:hover .num{background:#fff;color:var(--accent-dark)}
.guarantee-list li{
  display:flex;align-items:flex-start;gap:12px;margin-bottom:16px;
}
.guarantee-list .g-icon{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:var(--accent-light);color:var(--accent-dark);
  display:flex;align-items:center;justify-content:center;font-size:.95rem;
}
.guarantee-list h5{font-size:.95rem;font-weight:700;color:var(--primary);margin-bottom:2px}
.guarantee-list p{font-size:.8rem;color:var(--text-muted);line-height:1.5}

/* CTA横幅 */
.cta-section{
  position:relative;padding:80px 0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  color:#fff;text-align:center;
  overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:rgba(13,27,42,.85);
}
.cta-inner{position:relative;z-index:2}
.cta-section h2{font-size:1.9rem;font-weight:800;margin-bottom:14px}
.cta-section p{
  color:rgba(255,255,255,.8);max-width:620px;margin:0 auto 30px;
  font-size:1rem;
}
.cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.btn-primary-main{
  display:inline-flex;align-items:center;gap:9px;
  background:linear-gradient(135deg,var(--accent),#ff8b3d);
  color:var(--primary-dark) !important;font-weight:700;
  padding:14px 38px;border-radius:12px;font-size:1rem;
  transition:transform var(--transition),box-shadow var(--transition);
}
.btn-primary-main:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(245,166,35,.45)}
.btn-outline-light{
  display:inline-flex;align-items:center;gap:9px;
  border:2px solid rgba(255,255,255,.5);color:#fff;
  padding:12px 32px;border-radius:12px;font-weight:600;font-size:1rem;
  transition:all var(--transition);
}
.btn-outline-light:hover{background:#fff;color:var(--primary);border-color:#fff}

/* FAQ */
.faq-section{padding:70px 0;background:#fff}
.faq-container{max-width:860px;margin:0 auto}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  margin-bottom:14px;overflow:hidden;
  transition:box-shadow var(--transition);
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item .accordion-button{
  font-weight:700;color:var(--primary);
  background:#fafbfc;padding:18px 24px;
  font-size:1rem;
  box-shadow:none !important;
}
.faq-item .accordion-button:not(.collapsed){
  background:var(--accent-light);color:var(--accent-dark);
}
.faq-item .accordion-button i{
  margin-right:10px;color:var(--accent);
  width:20px;text-align:center;
}
.faq-item .accordion-body{padding:20px 26px;color:var(--text-muted);font-size:.94rem}

/* 页脚 */
.site-footer{
  background:var(--primary-dark);color:rgba(255,255,255,.7);
  padding:60px 0 0;margin-top:0;
}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr;gap:48px;
  padding-bottom:40px;
}
.footer-brand .logo-icon{margin-bottom:16px}
.footer-brand .logo-text{
  display:inline-block;color:#fff;font-size:1.25rem;font-weight:700;
  margin-left:8px;vertical-align:middle;
}
.footer-brand p{
  margin-top:16px;font-size:.9rem;color:rgba(255,255,255,.65);
  line-height:1.7;max-width:460px;
}
.footer-col h4{
  color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:"";position:absolute;bottom:0;left:0;width:30px;height:3px;
  background:var(--accent);border-radius:3px;
}
.footer-col a{
  display:block;padding:7px 0;color:rgba(255,255,255,.6);
  font-size:.9rem;transition:color var(--transition),padding-left var(--transition);
}
.footer-col a:hover{color:var(--accent);padding-left:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:8px;font-size:.84rem;
  color:rgba(255,255,255,.45);
}

/* 移动端底部Tab */
.mobile-bottom-nav{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:1050;
  background:rgba(13,27,42,.97);
  backdrop-filter:blur(16px);
  border-top:1px solid rgba(255,255,255,.08);
  padding:6px 4px;
}
.mobile-bottom-nav a{
  flex:1;display:flex;flex-direction:column;align-items:center;
  gap:3px;padding:8px 2px;
  color:rgba(255,255,255,.55);font-size:.68rem;
  border-radius:10px;transition:color var(--transition);
}
.mobile-bottom-nav a i{font-size:1.2rem}
.mobile-bottom-nav a.active{color:var(--accent);background:rgba(245,166,35,.12)}
.mobile-bottom-nav a:hover{color:#fff}

/* 内容未找到 */
.not-found{
  text-align:center;padding:70px 20px;
}
.not-found .nf-icon{
  width:90px;height:90px;border-radius:50%;
  background:var(--accent-light);color:var(--accent-dark);
  font-size:2.2rem;display:flex;align-items:center;justify-content:center;
  margin:0 auto 22px;
}
.not-found h3{font-size:1.4rem;font-weight:700;color:var(--primary);margin-bottom:10px}
.not-found p{color:var(--text-muted);margin-bottom:24px}
.back-home-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary);color:#fff;font-weight:600;
  padding:12px 34px;border-radius:10px;
  transition:background var(--transition),transform var(--transition);
}
.back-home-btn:hover{background:var(--primary-light);transform:translateY(-2px)}

/* 响应式 */
@media (max-width:1024px){
  .article-main{padding:44px 0 60px}
  .content-card{padding:34px 30px}
  .article-banner h1{font-size:1.9rem}
}
@media (max-width: 768px){
  /* 移动端导航 */
  .desktop-nav{display:none}
  .btn-nav{display:none}
  .nav-toggle{display:block}
  /* 横幅 */
  .article-banner{min-height:320px;padding:120px 0 44px}
  .article-banner h1{font-size:1.5rem}
  .article-meta{flex-wrap:wrap;gap:10px;font-size:.8rem}
  /* 文章主体 */
  .article-main{padding:32px 0 52px}
  .content-card{padding:26px 20px;border-radius:14px}
  .article-content{font-size:.96rem}
  /* 网格 */
  .post-nav{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:32px}
  /* CTA */
  .cta-section{padding:60px 0}
  .cta-section h2{font-size:1.4rem}
  /* 底部Tab */
  .mobile-bottom-nav{display:flex}
  body{padding-bottom:70px}
  /* 遮住底部Tab */
  .site-footer{padding-bottom:20px}
}
@media (max-width:520px){
  .article-banner h1{font-size:1.3rem}
  .article-banner{min-height:280px;padding:100px 0 36px}
  .content-card{padding:22px 16px}
  .article-footer{flex-direction:column;align-items:flex-start}
  .related-card .thumb{aspect-ratio:16/8}
  .faq-item .accordion-button{font-size:.92rem;padding:15px 18px}
  .faq-item .accordion-body{padding:16px 18px;font-size:.88rem}
  .cta-buttons{flex-direction:column;width:100%;max-width:300px;margin:0 auto}
  .btn-primary-main,.btn-outline-light{justify-content:center}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category1 */
:root {
        --primary: #2456e6;
        --primary-dark: #1842b8;
        --primary-light: #eaf0ff;
        --accent: #f59e0b;
        --accent-dark: #d97706;
        --dark: #0a1628;
        --dark-2: #0f1f38;
        --bg: #f5f8fc;
        --white: #ffffff;
        --text: #1e293b;
        --text-light: #5b6b7f;
        --border: #e6ebf2;
        --radius-lg: 22px;
        --radius-md: 14px;
        --radius-sm: 8px;
        --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
        --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08);
        --shadow-lg: 0 18px 48px rgba(15, 23, 42, 0.12);
        --transition: 0.28s ease;
        --header-h: 76px;
        --footer-bg: #0b1626;
    }

    *,
    *::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;
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        overflow-x: hidden;
        padding-bottom: 62px;
    }

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

    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition);
    }

    button,
    input {
        font-family: inherit;
    }

    .container {
        max-width: 1200px;
        padding-left: 20px;
        padding-right: 20px;
        margin-left: auto;
        margin-right: auto;
    }

    /* ========== Header ========== */
    .site-header {
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(230, 235, 242, 0.8);
        position: sticky;
        top: 0;
        z-index: 1040;
        height: var(--header-h);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--header-h);
        gap: 20px;
    }

    .site-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .logo-icon {
        width: 42px;
        height: 42px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        border-radius: 12px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 18px;
        box-shadow: 0 4px 14px rgba(36, 86, 230, 0.35);
    }

    .logo-text {
        font-size: 20px;
        font-weight: 700;
        color: var(--dark);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .desktop-nav {
        display: flex;
        align-items: center;
    }

    .desktop-nav ul {
        display: flex;
        align-items: center;
        list-style: none;
        gap: 4px;
        margin: 0;
        padding: 0;
    }

    .desktop-nav ul li a {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        padding: 9px 18px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-light);
        transition: all var(--transition);
        border: 1px solid transparent;
    }

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

    .desktop-nav ul li a.active {
        color: var(--primary);
        background: var(--primary-light);
        border-color: rgba(36, 86, 230, 0.16);
        font-weight: 600;
    }

    .btn-nav {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        border: none;
        padding: 10px 24px;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: all var(--transition);
        box-shadow: 0 4px 16px rgba(36, 86, 230, 0.32);
        flex-shrink: 0;
    }

    .btn-nav:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(36, 86, 230, 0.4);
        color: #fff;
    }

    .btn-nav:active {
        transform: scale(0.97);
    }

    .nav-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 22px;
        color: var(--text);
        cursor: pointer;
        width: 44px;
        height: 44px;
        border-radius: 10px;
        align-items: center;
        justify-content: center;
        transition: background var(--transition);
    }

    .nav-toggle:hover {
        background: var(--bg);
    }

    @media (max-width: 991px) {
        .desktop-nav {
            display: none;
        }
        .nav-toggle {
            display: inline-flex;
        }
        .site-logo .logo-text {
            font-size: 17px;
        }
        .btn-nav {
            display: none;
        }
    }

    /* ========== 移动端抽屉菜单 ========== */
    .mobile-drawer {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        padding: 20px;
        z-index: 1035;
        display: none;
    }

    .mobile-drawer.open {
        display: block;
    }

    .mobile-drawer a {
        display: block;
        padding: 12px 16px;
        border-radius: 12px;
        font-size: 16px;
        font-weight: 500;
        color: var(--text);
        transition: all var(--transition);
    }

    .mobile-drawer a:hover,
    .mobile-drawer a.active {
        background: var(--primary-light);
        color: var(--primary);
    }

    /* ========== 移动端底部 Tab ========== */
    .mobile-bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--white);
        border-top: 1px solid var(--border);
        display: flex;
        align-items: center;
        justify-content: space-around;
        z-index: 1050;
        height: 62px;
        box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.06);
    }

    .bottom-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        font-size: 12px;
        font-weight: 500;
        color: var(--text-light);
        flex: 1;
        height: 100%;
        transition: all var(--transition);
        position: relative;
    }

    .bottom-nav-item i {
        font-size: 20px;
    }

    .bottom-nav-item.active {
        color: var(--primary);
    }

    .bottom-nav-item.active::after {
        content: "";
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 36px;
        height: 3px;
        border-radius: 0 0 6px 6px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
    }

    .bottom-nav-item:hover {
        color: var(--primary);
    }

    @media (min-width: 992px) {
        .mobile-bottom-nav {
            display: none;
        }
        body {
            padding-bottom: 0;
        }
    }

    /* ========== Hero / 页面首屏 ========== */
    .page-hero {
        background: linear-gradient(135deg, rgba(8, 20, 40, 0.92) 0%, rgba(15, 32, 64, 0.82) 55%, rgba(36, 86, 230, 0.55) 100%),
            url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        padding: 90px 0 76px;
        color: #fff;
        position: relative;
        margin-bottom: 0;
    }

    .page-hero .breadcrumb {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.65);
        background: rgba(255, 255, 255, 0.1);
        border-radius: 999px;
        padding: 6px 16px;
        margin-bottom: 22px;
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
    }

    .page-hero .breadcrumb a {
        color: rgba(255, 255, 255, 0.75);
    }

    .page-hero .breadcrumb a:hover {
        color: #fff;
    }

    .page-hero h1 {
        font-size: calc(1.6rem + 1.4vw);
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: .5px;
        margin-bottom: 16px;
        color: #fff;
        max-width: 680px;
    }

    .page-hero h1 .highlight {
        color: var(--accent);
    }

    .page-hero .lead {
        font-size: 16px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.82);
        max-width: 560px;
        margin-bottom: 28px;
    }

    .page-hero .hero-actions {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
    }

    .btn-primary-custom {
        background: linear-gradient(135deg, var(--accent), #f59e0b);
        color: var(--dark);
        border: none;
        padding: 13px 30px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 700;
        cursor: pointer;
        transition: all var(--transition);
        box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-primary-custom:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 28px rgba(245, 158, 11, 0.45);
        color: var(--dark);
    }

    .btn-outline-light {
        background: transparent;
        color: #fff;
        border: 1.5px solid rgba(255, 255, 255, 0.6);
        padding: 12px 28px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-outline-light:hover {
        background: rgba(255, 255, 255, 0.12);
        border-color: #fff;
        color: #fff;
    }

    .hero-meta {
        display: flex;
        gap: 24px;
        flex-wrap: wrap;
        margin-top: 30px;
        color: rgba(255, 255, 255, 0.75);
        font-size: 13px;
    }

    .hero-meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .hero-meta i {
        color: var(--accent);
    }

    @media (max-width: 768px) {
        .page-hero {
            padding: 56px 0 48px;
        }
        .page-hero h1 {
            font-size: 26px;
        }
        .page-hero .lead {
            font-size: 14px;
        }
    }

    /* ========== Section 基础 ========== */
    .section-padding {
        padding: 80px 0;
    }

    .section-title {
        text-align: center;
        max-width: 640px;
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 48px;
    }

    .section-title .subtitle {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-light);
        padding: 6px 18px;
        border-radius: 999px;
        margin-bottom: 14px;
        letter-spacing: 1px;
    }

    .section-title h2 {
        font-size: calc(1.25rem + 1vw);
        font-weight: 800;
        color: var(--dark);
        line-height: 1.3;
        margin-bottom: 12px;
    }

    .section-title p {
        color: var(--text-light);
        font-size: 15px;
        line-height: 1.7;
    }

    @media (max-width: 768px) {
        .section-padding {
            padding: 56px 0;
        }
        .section-title {
            margin-bottom: 32px;
        }
    }

    /* ========== 登录方式卡片 ========== */
    .methods-section {
        background: var(--white);
        border-bottom: 1px solid var(--border);
    }

    .method-card {
        background: var(--bg);
        border-radius: var(--radius-lg);
        padding: 0;
        overflow: hidden;
        height: 100%;
        border: 1px solid var(--border);
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }

    .method-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
        border-color: transparent;
    }

    .method-card .card-img-wrap {
        height: 168px;
        overflow: hidden;
        position: relative;
    }

    .method-card .card-img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .method-card:hover .card-img-wrap img {
        transform: scale(1.06);
    }

    .method-card .card-img-wrap::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(10, 18, 36, 0.25), transparent 50%);
        pointer-events: none;
    }

    .method-card .card-body {
        padding: 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .method-card .icon-badge {
        width: 42px;
        height: 42px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        border-radius: 12px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 17px;
        margin-bottom: 14px;
        box-shadow: 0 4px 14px rgba(36, 86, 230, 0.25);
    }

    .method-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 10px;
    }

    .method-card p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.75;
        margin-bottom: 16px;
        flex: 1;
    }

    .method-card .card-link {
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

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

    .method-card .card-link i {
        transition: transform var(--transition);
    }

    /* ========== 登录步骤 ========== */
    .steps-section {
        background: var(--bg);
        position: relative;
    }

    .steps-section::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: var(--border);
    }

    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
        counter-reset: step;
    }

    .step-item {
        background: var(--white);
        border-radius: var(--radius-lg);
        padding: 32px 26px;
        border: 1px solid var(--border);
        text-align: center;
        position: relative;
        transition: all var(--transition);
        box-shadow: var(--shadow-sm);
    }

    .step-item:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
    }

    .step-number {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary-light), #dfe9ff);
        color: var(--primary);
        font-size: 22px;
        font-weight: 800;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 18px;
        position: relative;
        z-index: 1;
    }

    .step-item h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 10px;
    }

    .step-item p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.7;
        margin-bottom: 0;
    }

    .step-item::after {
        content: "";
        position: absolute;
        top: 50%;
        right: -20px;
        width: 24px;
        height: 2px;
        background: linear-gradient(90deg, var(--primary), transparent);
        transform: translateY(-50%);
    }

    .step-item:last-child::after {
        display: none;
    }

    @media (max-width: 991px) {
        .steps-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .step-item::after {
            display: none;
        }
    }

    @media (max-width: 520px) {
        .steps-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ========== 问题解决 ========== */
    .solution-section {
        background: var(--white);
        overflow: hidden;
    }

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

    .solution-img {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        min-height: 360px;
    }

    .solution-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        inset: 0;
    }

    .solution-img::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(36, 86, 230, 0.12), transparent);
    }

    .solution-img .img-badge {
        position: absolute;
        bottom: 20px;
        left: 20px;
        background: rgba(255, 255, 255, 0.94);
        border-radius: 14px;
        padding: 14px 18px;
        box-shadow: var(--shadow-md);
        display: flex;
        align-items: center;
        gap: 12px;
        z-index: 2;
        backdrop-filter: blur(8px);
    }

    .solution-img .img-badge i {
        font-size: 24px;
        color: var(--primary);
    }

    .solution-img .img-badge .num {
        font-size: 22px;
        font-weight: 800;
        color: var(--dark);
        line-height: 1;
    }

    .solution-img .img-badge .label {
        font-size: 12px;
        color: var(--text-light);
        line-height: 1.3;
    }

    .solution-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .solution-list li {
        display: flex;
        gap: 16px;
        padding: 20px 0;
        border-bottom: 1px solid var(--border);
        transition: background var(--transition);
    }

    .solution-list li:last-child {
        border-bottom: none;
    }

    .solution-list .sol-icon {
        flex-shrink: 0;
        width: 40px;
        height: 40px;
        background: var(--primary-light);
        color: var(--primary);
        border-radius: 12px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        margin-top: 2px;
    }

    .solution-list .sol-content h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 5px;
    }

    .solution-list .sol-content p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.7;
        margin-bottom: 0;
    }

    @media (max-width: 991px) {
        .solution-wrap {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .solution-img {
            min-height: 280px;
        }
    }

    /* ========== 数据统计 ========== */
    .stats-section {
        background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
        padding: 70px 0;
        position: relative;
        overflow: hidden;
    }

    .stats-section::before {
        content: "";
        position: absolute;
        top: -60%;
        right: -20%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(36, 86, 230, 0.3), transparent 70%);
        pointer-events: none;
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
        position: relative;
        z-index: 1;
    }

    .stat-item {
        text-align: center;
        padding: 30px 20px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: var(--radius-lg);
        backdrop-filter: blur(6px);
        transition: all var(--transition);
    }

    .stat-item:hover {
        background: rgba(255, 255, 255, 0.09);
        border-color: rgba(255, 255, 255, 0.16);
        transform: translateY(-4px);
    }

    .stat-item .stat-num {
        font-size: 36px;
        font-weight: 800;
        color: #fff;
        line-height: 1.2;
        margin-bottom: 6px;
        background: linear-gradient(135deg, #fff, #d4e2ff);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .stat-item .stat-label {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.65);
        font-weight: 500;
    }

    .stat-item .stat-icon {
        font-size: 24px;
        margin-bottom: 12px;
        color: var(--accent);
    }

    @media (max-width: 991px) {
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 520px) {
        .stats-grid {
            grid-template-columns: 1fr;
        }
    }

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

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

    .accordion-item {
        background: var(--white);
        border: 1px solid var(--border) !important;
        border-radius: var(--radius-md) !important;
        margin-bottom: 14px;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
    }

    .accordion-item:hover {
        box-shadow: var(--shadow-md);
    }

    .accordion-button {
        padding: 20px 24px;
        font-size: 15px;
        font-weight: 600;
        color: var(--dark);
        background: var(--white);
        border: none;
        gap: 10px;
    }

    .accordion-button:not(.collapsed) {
        color: var(--primary);
        background: var(--primary-light);
        box-shadow: none;
    }

    .accordion-button:focus {
        box-shadow: none;
        outline: 2px solid rgba(36, 86, 230, 0.2);
        outline-offset: -2px;
        border-radius: var(--radius-md);
    }

    .accordion-button::after {
        background-size: 14px;
        transition: transform var(--transition);
    }

    .accordion-body {
        padding: 0 24px 20px;
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.75;
        background: var(--white);
    }

    .accordion-body:has(.accordion-button) {
        padding-top: 0;
    }

    /* ========== CTA ========== */
    .cta-section {
        padding: 0;
        background: var(--bg);
    }

    .cta-box {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        border-radius: var(--radius-lg);
        padding: 54px 50px;
        position: relative;
        overflow: hidden;
        color: #fff;
        text-align: center;
        box-shadow: var(--shadow-lg);
    }

    .cta-box::before {
        content: "";
        position: absolute;
        top: -40%;
        right: -10%;
        width: 360px;
        height: 360px;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 70%);
        pointer-events: none;
    }

    .cta-box::after {
        content: "";
        position: absolute;
        bottom: -30%;
        left: -8%;
        width: 320px;
        height: 320px;
        background: radial-gradient(circle, rgba(245, 158, 11, 0.28), transparent 70%);
        pointer-events: none;
    }

    .cta-box h2 {
        font-size: calc(1.2rem + 0.8vw);
        font-weight: 800;
        margin-bottom: 12px;
        position: relative;
        z-index: 1;
        color: #fff;
    }

    .cta-box p {
        font-size: 15px;
        opacity: 0.9;
        position: relative;
        z-index: 1;
        max-width: 480px;
        margin: 0 auto 30px;
        color: #fff;
    }

    .cta-box .cta-group {
        display: flex;
        justify-content: center;
        gap: 14px;
        flex-wrap: wrap;
        position: relative;
        z-index: 1;
    }

    .btn-cta-light {
        background: #fff;
        color: var(--primary);
        padding: 13px 34px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 700;
        border: none;
        cursor: pointer;
        transition: all var(--transition);
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-cta-light:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
        color: var(--primary-dark);
    }

    .btn-cta-ghost {
        background: transparent;
        color: #fff;
        border: 1.5px solid rgba(255, 255, 255, 0.6);
        padding: 12px 32px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all var(--transition);
    }

    .btn-cta-ghost:hover {
        border-color: #fff;
        background: rgba(255, 255, 255, 0.1);
        color: #fff;
    }

    @media (max-width: 768px) {
        .cta-box {
            padding: 40px 24px;
            border-radius: 18px;
        }
        .cta-box h2 {
            font-size: 22px;
        }
    }

    /* ========== Footer ========== */
    .site-footer {
        background: var(--footer-bg);
        color: rgba(255, 255, 255, 0.7);
        padding: 60px 0 30px;
        font-size: 14px;
    }

    .footer-top {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: 50px;
        padding-bottom: 38px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand .logo-icon {
        background: linear-gradient(135deg, var(--primary), var(--accent));
    }

    .footer-brand .logo-text {
        color: #fff;
        font-size: 18px;
        font-weight: 700;
        vertical-align: middle;
        margin-left: 10px;
    }

    .footer-brand p {
        margin-top: 14px;
        font-size: 13px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.5);
        max-width: 340px;
    }

    .footer-col h4 {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 16px;
        padding-bottom: 10px;
        border-bottom: 2px solid rgba(255, 255, 255, 0.12);
        display: inline-block;
    }

    .footer-col a {
        display: block;
        color: rgba(255, 255, 255, 0.55);
        font-size: 14px;
        margin-bottom: 10px;
        transition: all var(--transition);
    }

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

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 26px;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 12px;
        color: rgba(255, 255, 255, 0.4);
    }

    @media (max-width: 768px) {
        .footer-top {
            grid-template-columns: 1fr;
            gap: 30px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }

    /* ========== 通用工具 ========== */
    .text-primary-custom {
        color: var(--primary) !important;
    }

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

    .fade-up {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .fade-up.visible {
        opacity: 1;
        transform: translateY(0);
    }

    @media (prefers-reduced-motion: reduce) {
        * {
            animation: none !important;
            transition: none !important;
        }
        .fade-up {
            opacity: 1;
            transform: none;
        }
    }

/* roulang page: category2 */
:root {
            --primary: #0f6ff2;
            --primary-dark: #0a4fae;
            --accent: #f5b301;
            --accent-light: #ffd24a;
            --dark: #0b1f4b;
            --dark-deep: #081436;
            --body-bg: #f4f7fb;
            --white: #ffffff;
            --text: #182433;
            --text-light: #6b7a90;
            --border: #e3e9f2;
            --radius: 14px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(11, 18, 32, .07);
            --shadow-lg: 0 18px 44px rgba(11, 18, 32, .12);
            --transition: .25s ease;
            --font-main: "Inter", "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", Roboto, system-ui, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--body-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(245, 179, 1, .55);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        h1,
        h2,
        h3,
        h4,
        h5 {
            font-weight: 800;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 12px;
        }
        h1 {
            font-size: clamp(30px, 4vw, 46px);
        }
        h2 {
            font-size: clamp(24px, 3vw, 34px);
        }
        h3 {
            font-size: 20px;
        }
        h4 {
            font-size: 17px;
        }
        p {
            margin-bottom: 12px;
        }
        .section {
            padding: 76px 0;
        }
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 44px;
        }
        .section-head .subtitle {
            display: inline-block;
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: rgba(15, 111, 242, .1);
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 16px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--dark);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 24px rgba(8, 20, 54, .25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 18px;
        }
        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent) 0%, #ffa900 100%);
            color: var(--dark);
            border-radius: 10px;
            font-size: 18px;
            box-shadow: 0 6px 18px rgba(245, 179, 1, .35);
        }
        .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .desktop-nav {
            display: flex;
            align-items: center;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
        }
        .desktop-nav a {
            display: inline-block;
            color: rgba(255, 255, 255, .82);
            font-size: 15px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 30px;
            transition: all var(--transition);
        }
        .desktop-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .desktop-nav a.active {
            color: var(--dark);
            background: var(--accent);
            box-shadow: 0 4px 14px rgba(245, 179, 1, .35);
        }
        .btn-nav {
            background: linear-gradient(135deg, var(--accent), #ffa900);
            color: var(--dark);
            font-size: 14px;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 30px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            box-shadow: 0 6px 16px rgba(245, 179, 1, .3);
            transition: all var(--transition);
            border: none;
        }
        .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(245, 179, 1, .42);
            color: var(--dark);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .2);
            color: #fff;
            width: 42px;
            height: 42px;
            font-size: 18px;
            border-radius: 10px;
            cursor: pointer;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, .1);
            border-color: var(--accent);
        }
        .mobile-nav {
            display: none;
            background: var(--dark);
            padding: 16px 0 20px;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav a {
            display: block;
            color: rgba(255, 255, 255, .85);
            padding: 12px 20px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 10px;
            transition: all var(--transition);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--accent);
            background: rgba(255, 255, 255, .06);
        }

        /* ===== Banner Hero ===== */
        .category-banner {
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            position: relative;
            padding: 92px 0 96px;
            color: #fff;
        }
        .category-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(8, 20, 54, .94) 0%, rgba(11, 31, 75, .78) 50%, rgba(15, 111, 242, .35) 100%);
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .25);
            color: #fff;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            backdrop-filter: blur(6px);
            margin-bottom: 20px;
        }
        .category-banner h1 {
            color: #fff;
            font-size: clamp(32px, 4.4vw, 48px);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .category-banner h1 span {
            color: var(--accent);
        }
        .category-banner p {
            color: rgba(255, 255, 255, .82);
            font-size: 17px;
            max-width: 540px;
            margin-bottom: 28px;
        }
        .banner-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent), #ffa900);
            color: var(--dark);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 30px;
            border: none;
            box-shadow: 0 8px 20px rgba(245, 179, 1, .3);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(245, 179, 1, .45);
            color: var(--dark);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, .6);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            color: #fff;
        }

        /* ===== Category Tags ===== */
        .tags-wrap {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: -34px;
            position: relative;
            z-index: 5;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 12px 22px;
            font-weight: 600;
            color: var(--dark);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            cursor: pointer;
            font-size: 14px;
        }
        .tag-pill i {
            color: var(--primary);
        }
        .tag-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .tag-pill.active {
            background: var(--dark);
            color: #fff;
            border-color: var(--dark);
        }
        .tag-pill.active i {
            color: var(--accent);
        }

        /* ===== Match Cards ===== */
        .match-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .match-card .cover-wrap {
            position: relative;
            height: 178px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .match-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .match-card:hover .cover-wrap img {
            transform: scale(1.07);
        }
        .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(8, 20, 54, .72));
        }
        .match-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(8, 20, 54, .8);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 30px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            letter-spacing: .5px;
        }
        .match-cat i {
            color: var(--accent);
        }
        .match-time {
            position: absolute;
            bottom: 12px;
            left: 16px;
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, .4);
        }
        .match-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .match-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--dark);
            transition: color var(--transition);
        }
        .match-card:hover .match-body h3 {
            color: var(--primary);
        }
        .match-body .match-desc {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .match-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 16px;
        }
        .meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-light);
            background: var(--body-bg);
            padding: 4px 12px;
            border-radius: 30px;
        }
        .meta-badge i {
            color: var(--primary);
        }
        .match-link {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .match-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ===== Stats Section ===== */
        .stats-section {
            background: var(--dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 70px 0;
            position: relative;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(8, 20, 54, .92);
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stats-head {
            text-align: center;
            margin-bottom: 40px;
        }
        .stats-head h2 {
            color: #fff;
        }
        .stats-head p {
            color: rgba(255, 255, 255, .7);
            max-width: 520px;
            margin: 10px auto 0;
        }
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        .stat-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .16);
            color: var(--accent);
            font-size: 20px;
            border-radius: 16px;
        }
        .stat-number {
            font-size: clamp(32px, 4vw, 42px);
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-label {
            color: rgba(255, 255, 255, .78);
            font-size: 14px;
            margin-top: 6px;
            letter-spacing: .5px;
        }

        /* ===== Timeline ===== */
        .timeline-wrap {
            max-width: 720px;
            margin: 0 auto;
            position: relative;
            padding-left: 34px;
        }
        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 12px;
            top: 10px;
            bottom: 10px;
            width: 3px;
            background: linear-gradient(180deg, var(--accent), var(--primary));
            border-radius: 3px;
        }
        .timeline-item {
            position: relative;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateX(4px);
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -29px;
            top: 26px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--white);
            box-shadow: 0 0 0 3px var(--accent);
        }
        .tl-time {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(15, 111, 242, .08);
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 8px;
        }
        .tl-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }
        .tl-sub {
            font-size: 14px;
            color: var(--text-light);
        }

        /* ===== Recommended List ===== */
        .recommend-card {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 14px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            margin-bottom: 16px;
        }
        .recommend-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .recommend-card img {
            width: 96px;
            height: 96px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .recommend-card .rc-content {
            flex: 1;
        }
        .recommend-card .rc-tag {
            font-size: 12px;
            color: var(--primary);
            font-weight: 700;
            background: rgba(15, 111, 242, .08);
            padding: 3px 10px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 6px;
        }
        .recommend-card h4 {
            font-size: 16px;
            margin-bottom: 4px;
        }
        .recommend-card p {
            font-size: 13px;
            color: var(--text-light);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-accordion {
            max-width: 780px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--white);
            box-shadow: 0 4px 14px rgba(11, 18, 32, .04);
        }
        .accordion-button {
            background: var(--white);
            color: var(--dark);
            font-weight: 700;
            font-size: 16px;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
        }
        .accordion-button:not(.collapsed) {
            background: var(--dark);
            color: var(--accent);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition);
        }
        .accordion-button:not(.collapsed)::after {
            filter: brightness(0) invert(1);
        }
        .accordion-body {
            padding: 6px 24px 22px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            position: relative;
            padding: 84px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(8, 20, 54, .94), rgba(15, 111, 242, .72));
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: clamp(26px, 3.4vw, 38px);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .82);
            font-size: 17px;
            max-width: 560px;
            margin: 0 auto 30px;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-deep);
            color: rgba(255, 255, 255, .75);
            padding: 60px 0 10px;
        }
        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            justify-content: space-between;
            margin-bottom: 38px;
        }
        .footer-brand {
            max-width: 430px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
        }
        .footer-brand p {
            margin-top: 14px;
            font-size: 15px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.75;
        }
        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-width: 140px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, .65);
            font-size: 15px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .55);
        }

        /* ===== Mobile Tabbar ===== */
        .mobile-tabbar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--dark);
            z-index: 1100;
            padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
            box-shadow: 0 -6px 24px rgba(8, 20, 54, .28);
            border-top: 1px solid rgba(255, 255, 255, .07);
        }
        .mobile-tabbar .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            color: rgba(255, 255, 255, .55);
            font-size: 11px;
            font-weight: 600;
            padding: 6px 0;
            transition: all var(--transition);
            border-radius: 10px;
        }
        .mobile-tabbar .tab-item i {
            font-size: 19px;
            line-height: 1;
        }
        .mobile-tabbar .tab-item:hover,
        .mobile-tabbar .tab-item.active {
            color: var(--accent);
        }
        .mobile-tabbar .tab-item.active {
            background: rgba(245, 179, 1, .12);
        }

        /* ===== Breakpoints ===== */
        @media (max-width: 991.98px) {
            .desktop-nav {
                display: none;
            }
            .btn-nav {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-tabbar {
                display: flex;
            }
            body {
                padding-bottom: 68px;
            }
            .section {
                padding: 58px 0;
            }
        }
        @media (max-width: 767.98px) {
            .category-banner {
                padding: 64px 0;
            }
            .banner-btns {
                flex-direction: column;
                align-items: flex-start;
            }
            .banner-btns .btn-gold,
            .banner-btns .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .tags-wrap {
                margin-top: -18px;
                gap: 8px;
            }
            .tag-pill {
                padding: 10px 16px;
                font-size: 13px;
            }
            .stats-section {
                padding: 50px 0;
            }
            .footer-top {
                flex-direction: column;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .logo-text {
                font-size: 18px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .match-card .cover-wrap {
                height: 160px;
            }
            .recommend-card {
                flex-direction: column;
                text-align: center;
            }
            .recommend-card img {
                width: 100%;
                height: 160px;
            }
            .recommend-card .rc-content {
                text-align: left;
            }
            .timeline-wrap {
                padding-left: 26px;
            }
            .timeline-item::before {
                left: -23px;
                width: 10px;
                height: 10px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a2b4a;
            --primary-light: #243b66;
            --primary-dark: #101a2e;
            --accent: #e8b84b;
            --accent-hover: #d4a23a;
            --accent-light: #fdf3e0;
            --bg: #f4f6fb;
            --white: #ffffff;
            --dark: #141824;
            --text: #1f2937;
            --text-muted: #6b7280;
            --border: #e5e9f0;
            --radius: 18px;
            --radius-sm: 10px;
            --radius-lg: 26px;
            --shadow: 0 8px 30px rgba(17, 25, 40, .08);
            --shadow-lg: 0 16px 44px rgba(17, 25, 40, .13);
            --transition: all .3s ease;
            --header-h: 76px;
            --footer-bg: #141824;
            --footer-text: #a6adbd;
            --bottom-tabbar-h: 68px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1240px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(229, 233, 240, .8);
            height: var(--header-h);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #2f4a7a);
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(26, 43, 74, .25);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .desktop-nav {
            display: flex;
            align-items: center;
        }
        .desktop-nav ul {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        .desktop-nav ul li a {
            display: inline-block;
            padding: 10px 18px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .desktop-nav ul li a:hover {
            color: var(--primary);
            background: rgba(26, 43, 74, .06);
        }
        .desktop-nav ul li a.active {
            color: var(--primary);
            background: var(--accent-light);
            box-shadow: inset 0 0 0 1px rgba(232, 184, 75, .25);
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent), #f0c860);
            color: var(--dark);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 30px;
            border: none;
            box-shadow: 0 4px 14px rgba(232, 184, 75, .35);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 184, 75, .45);
            color: var(--dark);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
        }
        .nav-toggle:hover {
            background: rgba(26, 43, 74, .06);
        }
        .page-banner {
            position: relative;
            padding: 100px 0 84px;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .35;
            z-index: 0;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(20, 24, 36, .92) 0%, rgba(20, 24, 36, .72) 50%, rgba(20, 24, 36, .45) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 32px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent);
        }
        .breadcrumb-nav .sep {
            font-size: 12px;
            opacity: .6;
        }
        .breadcrumb-nav .current {
            color: var(--accent);
            font-weight: 600;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 184, 75, .15);
            border: 1px solid rgba(232, 184, 75, .3);
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 18px;
        }
        .banner-content h1 {
            font-size: clamp(32px, 4.5vw, 50px);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .banner-content h1 span {
            color: var(--accent);
        }
        .banner-content>p {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent), #f0c860);
            color: var(--dark);
            font-weight: 700;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 30px;
            border: none;
            box-shadow: 0 6px 18px rgba(232, 184, 75, .35);
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(232, 184, 75, .45);
            color: var(--dark);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .3);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 30px;
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .16);
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
            transform: translateY(-2px);
        }
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-eyebrow {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 4px 14px;
            border-radius: 30px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto;
        }
        .activity-tabs {
            padding: 88px 0 24px;
        }
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 44px;
        }
        .filter-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--white);
            border: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 600;
            padding: 9px 22px;
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tab:hover {
            border-color: var(--accent);
            color: var(--primary);
        }
        .filter-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(26, 43, 74, .25);
        }
        .activity-grid {
            margin-bottom: 40px;
        }
        .activity-item {
            display: block;
        }
        .activity-card {
            position: relative;
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .activity-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(232, 184, 75, .4);
        }
        .activity-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .activity-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .activity-card:hover .activity-cover img {
            transform: scale(1.06);
        }
        .activity-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 24, 36, .1) 0%, rgba(20, 24, 36, .25) 100%);
        }
        .activity-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(20, 24, 36, .75);
            backdrop-filter: blur(6px);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, .15);
        }
        .activity-body {
            padding: 26px 24px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .activity-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .activity-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }
        .activity-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--border);
            margin-top: auto;
        }
        .activity-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .activity-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }
        .activity-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }
        .stats-section {
            position: relative;
            padding: 88px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 0;
            overflow: hidden;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(232, 184, 75, .12);
            z-index: 0;
        }
        .stats-section::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .05);
            z-index: 0;
        }
        .stats-section .container {
            position: relative;
            z-index: 1;
        }
        .stats-section .section-head h2 {
            color: #fff;
        }
        .stats-section .section-head p {
            color: rgba(255, 255, 255, .7);
        }
        .stats-section .section-eyebrow {
            background: rgba(255, 255, 255, .12);
            color: var(--accent);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 20px;
        }
        .stat-item {
            text-align: center;
            padding: 36px 20px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .14);
            transform: translateY(-4px);
        }
        .stat-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 16px;
            background: rgba(232, 184, 75, .18);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent);
        }
        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-num .suffix {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }
        .process-section {
            padding: 88px 0;
            background: var(--white);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 10px;
            position: relative;
        }
        .process-grid::before {
            content: "";
            position: absolute;
            top: 56px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), rgba(232, 184, 75, .3));
            z-index: 0;
        }
        .process-item {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 0 10px;
        }
        .process-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
            background: var(--accent-light);
            border: 2px solid var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--accent-hover);
            background-color: var(--white);
            box-shadow: 0 0 0 6px rgba(232, 184, 75, .1);
        }
        .process-step {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
        }
        .process-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .process-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .faq-section {
            padding: 88px 0;
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(232, 184, 75, .4);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            user-select: none;
            transition: var(--transition);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--accent-hover);
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            margin: 0 0 0 24px;
            padding-left: 0;
            padding-top: 16px;
        }
        .cta-section {
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-box {
            position: relative;
            background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 28px;
            padding: 64px 50px;
            text-align: center;
            overflow: hidden;
            z-index: 1;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(232, 184, 75, .15);
        }
        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
        }
        .cta-box .container {
            position: relative;
            z-index: 2;
        }
        .cta-box h2 {
            color: #fff;
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, .8);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 34px;
        }
        .cta-box .btn-primary {
            background: var(--accent);
            color: var(--dark);
            padding: 15px 40px;
            font-size: 16px;
        }
        .cta-box .btn-primary:hover {
            background: #f0c860;
        }
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 70px 0 30px;
        }
        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 50px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand {
            flex: 1;
            min-width: 260px;
        }
        .footer-brand .logo-icon {
            background: rgba(255, 255, 255, .1);
            color: var(--accent);
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 18px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--footer-text);
            margin-top: 16px;
            max-width: 360px;
        }
        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-width: 160px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .footer-col a {
            font-size: 14px;
            color: var(--footer-text);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding-top: 26px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }
        .footer-bottom p {
            margin: 0;
        }
        .bottom-tabbar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--bottom-tabbar-h);
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -4px 20px rgba(17, 25, 40, .08);
        }
        .bottom-tabbar .tab-list {
            display: flex;
            height: 100%;
            align-items: center;
            justify-content: space-around;
        }
        .bottom-tabbar .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            flex: 1;
            height: 100%;
            color: var(--text-muted);
            font-size: 11px;
            font-weight: 600;
            transition: var(--transition);
            border-radius: 12px;
            margin: 4px 6px;
        }
        .bottom-tabbar .tab-item .tab-icon {
            font-size: 20px;
            line-height: 1;
        }
        .bottom-tabbar .tab-item:hover {
            color: var(--primary);
            background: rgba(26, 43, 74, .04);
        }
        .bottom-tabbar .tab-item.active {
            color: var(--accent-hover);
        }
        .bottom-tabbar .tab-item.active .tab-icon {
            transform: scale(1.08);
        }
        .bottom-tabbar .tab-item.active::after {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 0 0 6px 6px;
            background: var(--accent);
        }
        .bottom-tabbar .tab-item {
            position: relative;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .btn-nav {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 20px;
            }
            .process-grid::before {
                display: none;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
                --bottom-tabbar-h: 60px;
            }
            body {
                padding-bottom: var(--bottom-tabbar-h);
            }
            .bottom-tabbar {
                display: block;
            }
            .site-header {
                position: sticky;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
            .page-banner {
                padding: 70px 0 60px;
            }
            .banner-content h1 {
                font-size: 30px;
            }
            .banner-content>p {
                font-size: 15px;
            }
            .banner-actions {
                flex-direction: column;
                align-items: stretch;
                max-width: 300px;
            }
            .btn-primary,
            .btn-ghost {
                justify-content: center;
            }
            .activity-tabs,
            .process-section,
            .faq-section,
            .stats-section {
                padding: 60px 0;
            }
            .activity-body {
                padding: 20px 18px 18px;
            }
            .activity-cover {
                height: 150px;
            }
            .cta-box {
                padding: 44px 24px;
                border-radius: 20px;
            }
            .stat-num {
                font-size: 28px;
            }
            .stat-icon {
                width: 42px;
                height: 42px;
                font-size: 18px;
                margin-bottom: 10px;
            }
            .stat-item {
                padding: 24px 14px;
            }
            .process-icon {
                width: 60px;
                height: 60px;
                font-size: 22px;
            }
            .footer-top {
                flex-direction: column;
                gap: 32px;
            }
            .filter-tabs {
                gap: 8px;
            }
            .filter-tab {
                padding: 7px 16px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-num {
                font-size: 24px;
            }
            .stat-label {
                font-size: 12px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .process-item {
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
                padding: 0;
            }
            .process-icon {
                width: 54px;
                height: 54px;
                font-size: 20px;
                margin: 0;
                flex-shrink: 0;
            }
            .process-step {
                margin-bottom: 6px;
            }
            .process-item h3 {
                font-size: 16px;
                margin-bottom: 4px;
            }
            .process-item p {
                font-size: 13px;
            }
            .cta-box {
                padding: 36px 20px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .cta-box p {
                font-size: 14px;
                margin-bottom: 24px;
            }
            .activity-card .activity-cover {
                height: 130px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-answer-inner {
                padding: 14px 18px 18px;
                font-size: 13px;
            }
        }