/* roulang page: index */
:root {
  --primary: #1e5eff;
  --primary-dark: #0e3fc0;
  --primary-light: #eaf0ff;
  --accent: #00d4aa;
  --dark: #0a0e1a;
  --dark-2: #111827;
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --text: #1e2434;
  --text-weak: #6b7280;
  --border: #e5e9f0;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.14);
  --container: 1200px;
  --transition: 0.3s ease;
}

* {
  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", sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

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

/* Header Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 233, 240, 0.6);
  transition: box-shadow 0.3s ease;
}

.site-header:hover {
  box-shadow: var(--shadow);
}

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

.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
  transition: opacity 0.3s ease;
}

.logo span {
  color: var(--accent);
  font-weight: 900;
}

.logo:hover {
  opacity: 0.85;
}

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

.desktop-nav .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 10px;
  transition: all 0.25s ease;
  position: relative;
}

.desktop-nav .nav-link i {
  font-size: 14px;
  color: var(--text-weak);
  transition: color 0.25s ease;
}

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

.desktop-nav .nav-link:hover i {
  color: var(--primary);
}

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

.desktop-nav .nav-link.active i {
  color: var(--primary);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px rgba(30, 94, 255, 0.3);
}

.header-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 94, 255, 0.4);
}

/* Mobile bottom tab bar */
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding: 6px 12px calc(8px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.06);
}

.tabbar-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 480px;
  margin: 0 auto;
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 12px;
  font-size: 11px;
  color: var(--text-weak);
  border-radius: 12px;
  transition: all 0.25s ease;
  font-weight: 500;
}

.tab-item i {
  font-size: 20px;
  color: inherit;
  transition: transform 0.3s ease;
}

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

.tab-item:hover i {
  transform: translateY(-2px);
}

.tab-item.active {
  color: var(--primary);
  font-weight: 600;
}

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

/* Hero Section */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 120px 0 100px;
  isolation: isolate;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(2, 6, 23, 0.94) 0%, rgba(10, 14, 26, 0.78) 50%, rgba(10, 14, 26, 0.4) 100%);
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(30, 94, 255, 0.25) 0%, transparent 60%);
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  color: #fff;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 30px;
  padding: 6px 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  backdrop-filter: blur(6px);
}

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

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero h1 .gradient-text {
  background: linear-gradient(120deg, #fff 60%, #4d7dff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 18px rgba(30, 94, 255, 0.4);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(30, 94, 255, 0.5);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.5);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stats .stat-item .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
}

.hero-stats .stat-item .stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2px;
}

/* Hero Data Card */
.hero-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.hero-card:hover {
  transform: translateY(-6px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.card-header .league {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.live-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 212, 170, 0.15);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(0, 212, 170, 0.3);
}

.live-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.match-score {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 22px;
}

.team {
  text-align: center;
  flex: 1;
}

.team .team-name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.team .team-rank {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.score-main {
  font-size: 44px;
  font-weight: 900;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  padding: 10px 22px;
  border-radius: 16px;
  letter-spacing: 2px;
}

.match-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.match-meta .time {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.match-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.match-stat {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 10px 6px;
  text-align: center;
}

.match-stat .ms-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  display: block;
  margin-bottom: 2px;
}

.match-stat .ms-value {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

/* Section Common */
.section {
  padding: 90px 0;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}

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

.section-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

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

/* Features */
.features {
  background: var(--bg-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(30, 94, 255, 0.2);
}

.feature-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 20px;
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* Categories */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.category-card {
  position: relative;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  isolation: isolate;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.category-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(2, 6, 23, 0.92) 0%, rgba(2, 6, 23, 0.3) 45%, transparent 100%);
  z-index: -1;
  transition: background 0.4s ease;
}

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

.category-card:hover::before {
  background: linear-gradient(to top, rgba(2, 6, 23, 0.95) 0%, rgba(2, 6, 23, 0.4) 50%, transparent 100%);
}

.category-info {
  padding: 28px;
  color: #fff;
  width: 100%;
}

.category-info .cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
  backdrop-filter: blur(4px);
}

.category-info h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.category-info p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  margin-bottom: 16px;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  transition: all 0.3s ease;
}

.category-link i {
  transition: transform 0.3s ease;
}

.category-link:hover {
  color: var(--accent);
}

.category-link:hover i {
  transform: translateX(4px);
}

/* Latest News */
.latest-news {
  background: var(--bg-alt);
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 40px;
  align-items: start;
}

.news-intro {
  position: sticky;
  top: 100px;
  padding: 40px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  border-radius: var(--radius-lg);
  color: #fff;
}

.news-intro h3 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 12px;
}

.news-intro p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
  line-height: 1.8;
}

.news-intro .intro-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.news-intro .intro-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.news-intro .intro-list li i {
  color: var(--accent);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.news-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(30, 94, 255, 0.15);
}

.news-cat {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.news-body {
  flex: 1;
  min-width: 0;
}

.news-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 6px;
  transition: color 0.3s ease;
}

.news-item:hover .news-body h3 {
  color: var(--primary);
}

.news-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.6;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-weak);
}

.news-meta i {
  font-size: 12px;
  color: var(--text-weak);
}

.news-empty {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 60px 30px;
  text-align: center;
  border: 1px dashed var(--border);
  color: var(--text-weak);
  font-size: 15px;
}

.news-empty i {
  font-size: 36px;
  display: block;
  margin-bottom: 12px;
  color: var(--border);
}

/* Dark Band & Stats */
.stats-band {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 90px 0;
  isolation: isolate;
}

.stats-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 14, 26, 0.96), rgba(14, 20, 36, 0.9));
  z-index: -1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-block {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 36px 20px;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.stat-block:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

.stat-block .stat-icon {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 12px;
}

.stat-block .stat-number {
  font-size: 40px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
}

.stat-block .stat-number span {
  font-size: 18px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  margin-left: 2px;
}

.stat-block .stat-name {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 6px;
}

/* Process / How to Use */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-step {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
}

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

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 16px;
  box-shadow: 0 6px 16px rgba(30, 94, 255, 0.3);
}

.process-step:nth-child(2) .step-num {
  background: var(--accent);
  box-shadow: 0 6px 16px rgba(0, 212, 170, 0.3);
}

.process-step:nth-child(3) .step-num {
  background: #f59e0b;
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
}

.process-step:nth-child(4) .step-num {
  background: #8b5cf6;
  box-shadow: 0 6px 16px rgba(139, 92, 246, 0.3);
}

.process-step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.process-step p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.6;
}

.process-step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -20px;
  width: 20px;
  height: 2px;
  background: linear-gradient(to right, var(--border), transparent);
}

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

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(30, 94, 255, 0.2);
  box-shadow: var(--shadow);
}

.faq-item details {
  padding: 0;
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: color 0.3s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.faq-item details[open] summary {
  color: var(--primary);
}

.faq-item details[open] summary .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 28px 22px;
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: none;
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* CTA */
.cta-section {
  position: relative;
  padding: 100px 0;
  background-size: cover;
  background-position: center;
  isolation: isolate;
  text-align: center;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 14, 26, 0.95), rgba(30, 60, 120, 0.85));
  z-index: -1;
}

.cta-section h2 {
  font-size: 38px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

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

/* Footer */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand .logo {
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 16px;
  display: block;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 300px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-col ul li a i {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.3);
  transition: color 0.3s ease;
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-col ul li a:hover i {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom .footer-domain {
  color: rgba(255, 255, 255, 0.6);
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(30, 94, 255, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero {
    padding: 80px 0 60px;
  }

  .hero h1 {
    font-size: 36px;
  }

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

  .hero-card {
    max-width: 540px;
  }

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

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .process-step::after {
    display: none;
  }

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

  .news-intro {
    position: static;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }

  .mobile-tabbar {
    display: block;
  }

  .site-header {
    height: 60px;
  }

  .header-inner {
    height: 60px;
  }

  .logo {
    font-size: 18px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding: 60px 0 80px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-actions .btn {
    padding: 12px 24px;
    font-size: 14px;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-stats .stat-item .stat-num {
    font-size: 22px;
  }

  .section {
    padding: 60px 0;
  }

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

  .features-grid,
  .categories-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .category-card {
    min-height: 300px;
  }

  .news-item {
    flex-direction: column;
    gap: 12px;
    padding: 20px;
  }

  .news-cat {
    align-self: flex-start;
  }

  .stats-band {
    padding: 60px 0;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-block {
    padding: 24px 16px;
  }

  .stat-block .stat-number {
    font-size: 30px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .faq-item summary {
    padding: 18px 20px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 14px 20px 18px;
    font-size: 14px;
  }

  .cta-section {
    padding: 60px 0;
  }

  .cta-section h2 {
    font-size: 28px;
  }

  .cta-section p {
    font-size: 15px;
  }

  .cta-buttons .btn {
    padding: 12px 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .container {
    padding: 0 20px;
  }
}

@media (max-width: 520px) {
  .hero {
    padding: 50px 0 70px;
  }

  .hero h1 {
    font-size: 26px;
  }

  .hero-badge {
    font-size: 12px;
    padding: 5px 12px;
  }

  .hero-desc {
    font-size: 14px;
  }

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

  .hero-actions .btn {
    justify-content: center;
  }

  .hero-stats {
    gap: 16px;
  }

  .hero-stats .stat-item {
    flex: 1;
  }

  .hero-card {
    padding: 20px;
  }

  .score-main {
    font-size: 34px;
    padding: 8px 16px;
  }

  .match-stat {
    padding: 8px 4px;
  }

  .match-stat .ms-value {
    font-size: 13px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-block {
    padding: 20px 10px;
  }

  .stat-block .stat-number {
    font-size: 26px;
  }

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

  .news-intro {
    padding: 28px 20px;
  }

  .footer-grid {
    gap: 24px;
  }

  .mobile-tabbar {
    padding: 4px 8px 6px;
  }

  .tab-item {
    padding: 4px 8px;
    font-size: 10px;
  }

  .tab-item i {
    font-size: 18px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0b3b5a;
  --primary-dark: #072a42;
  --primary-light: #13507a;
  --accent: #f0a03a;
  --accent-soft: #fdf0df;
  --teal: #14b8a6;
  --bg: #f4f7fb;
  --bg-white: #ffffff;
  --bg-dark: #0a1f2e;
  --text: #132831;
  --text-weak: #5d7380;
  --border: #e3eaf0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(8, 40, 50, 0.08);
  --shadow-lg: 0 16px 48px rgba(8, 40, 50, 0.14);
  --transition: all 0.3s ease;
  --section-pad: 92px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.68;
  font-size: 16px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 32px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(227, 234, 240, 0.7);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 24px;
}
.logo {
  font-size: 24px; font-weight: 800; color: var(--primary);
  letter-spacing: 1px; display: flex; align-items: baseline; gap: 2px;
  flex-shrink: 0;
}
.logo span { color: var(--accent); font-weight: 700; }
.desktop-nav {
  display: flex; align-items: center; gap: 4px;
  background: #f0f5f9; padding: 4px; border-radius: 40px;
}
.desktop-nav .nav-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14.5px; font-weight: 600; color: var(--text-weak);
  padding: 10px 20px; border-radius: 32px;
  transition: var(--transition);
}
.desktop-nav .nav-link i { font-size: 14px; }
.desktop-nav .nav-link:hover { color: var(--primary); background: rgba(255, 255, 255, 0.8); }
.desktop-nav .nav-link.active { color: #ffffff; background: var(--primary); box-shadow: 0 4px 14px rgba(11, 59, 90, 0.3); }
.header-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #0d1f2c; font-weight: 700;
  font-size: 14px; padding: 10px 22px; border-radius: 32px;
  transition: var(--transition); flex-shrink: 0;
}
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(240, 160, 58, 0.4); }
.header-cta i { transition: transform 0.3s; }
.header-cta:hover i { transform: translateX(3px); }

/* ===== 移动端底部 Tab ===== */
.mobile-tabbar {
  display: none;
}

/* ===== 分类页面 Hero ===== */
.page-hero {
  position: relative;
  background: linear-gradient(115deg, rgba(7, 42, 66, 0.97) 0%, rgba(11, 59, 90, 0.9) 55%, rgba(20, 184, 166, 0.78) 100%),
              url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  padding: 88px 0 96px;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 78% 20%, rgba(240, 160, 58, 0.2), transparent 46%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px; font-size: 13px;
  color: rgba(255, 255, 255, 0.72); margin-bottom: 22px;
}
.breadcrumb a { transition: var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 10px; opacity: 0.7; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 255, 255, 0.14); border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 6px 16px; border-radius: 32px; font-size: 13px; font-weight: 600;
  color: #fff; margin-bottom: 16px; letter-spacing: 0.5px;
}
.hero-tag i { color: var(--accent); }
.page-hero h1 {
  font-size: 46px; line-height: 1.18; font-weight: 800;
  letter-spacing: 1px; margin-bottom: 18px;
}
.page-hero h1 .highlight { color: var(--accent); position: relative; }
.hero-desc {
  font-size: 16.5px; line-height: 1.78; color: rgba(255, 255, 255, 0.86);
  margin-bottom: 30px; max-width: 600px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 28px; border-radius: 42px; font-weight: 700; font-size: 15px;
  transition: var(--transition); border: 2px solid transparent;
}
.btn-primary { background: var(--accent); color: #0d1f2c; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(240, 160, 58, 0.42); }
.btn-secondary { background: rgba(255, 255, 255, 0.1); color: #fff; border: 1.5px solid rgba(255, 255, 255, 0.45); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.2); border-color: #fff; transform: translateY(-2px); }
.hero-stats {
  display: flex; gap: 42px; margin-top: 44px;
  padding-top: 28px; border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.hero-stats .stat b {
  font-size: 28px; font-weight: 800; color: #fff; display: block; line-height: 1.2;
}
.hero-stats .stat b i { color: var(--accent); font-size: 20px; font-style: normal; margin-right: 2px; }
.hero-stats .stat span { font-size: 13px; color: rgba(255, 255, 255, 0.68); }

/* ===== 通用板块 ===== */
.section { padding: var(--section-pad) 0; }
.section-alt { background: var(--bg-white); }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: 44px;
}
.section-head .title-wrap { max-width: 640px; }
.section-subtitle {
  font-size: 13px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent);
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.section-subtitle::before { content: ''; width: 26px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-head h2 { font-size: 34px; line-height: 1.25; font-weight: 800; color: var(--primary-dark); }
.section-head p { font-size: 15px; color: var(--text-weak); margin-top: 10px; line-height: 1.7; }
.see-all {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 600;
  color: var(--primary); font-size: 14.5px; flex-shrink: 0;
  padding: 10px 20px; border: 1.5px solid var(--border); border-radius: 32px;
  background: #fff; transition: var(--transition);
}
.see-all:hover { border-color: var(--primary); background: var(--primary); color: #fff; transform: translateY(-2px); }
.see-all i { transition: transform 0.3s; }
.see-all:hover i { transform: translateX(3px); }

/* ===== 分类简介 ===== */
.intro-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 60px; align-items: center;
}
.intro-text .intro-label {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-soft); color: #a8671d;
  font-size: 13px; font-weight: 700; padding: 6px 16px;
  border-radius: 32px; margin-bottom: 18px;
}
.intro-text h2 { font-size: 30px; font-weight: 800; color: var(--primary-dark); line-height: 1.3; margin-bottom: 18px; }
.intro-text p { color: var(--text-weak); line-height: 1.85; margin-bottom: 14px; }
.intro-features { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
.intro-features li {
  display: flex; align-items: center; gap: 10px; font-size: 14.5px; font-weight: 600;
  color: var(--primary-dark); background: #f7fafc; padding: 12px 16px;
  border-radius: 12px; border: 1px solid var(--border); transition: var(--transition);
}
.intro-features li:hover { border-color: var(--teal); transform: translateY(-2px); box-shadow: var(--shadow); }
.intro-features li i { color: var(--teal); }
.intro-visual { position: relative; }
.intro-visual .img-wrap {
  border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg);
  position: relative;
}
.intro-visual .img-wrap::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(7, 42, 66, 0.35), transparent 54%);
}
.intro-visual img { width: 100%; height: 420px; object-fit: cover; transition: transform 0.8s ease; }
.intro-visual:hover img { transform: scale(1.04); }
.intro-float-card {
  position: absolute; bottom: 24px; left: -26px;
  background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(12px);
  border-radius: 16px; padding: 18px 22px;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 14px;
  border-left: 4px solid var(--accent); z-index: 2;
}
.intro-float-card .num { font-size: 28px; font-weight: 800; color: var(--primary); line-height: 1; }
.intro-float-card .txt { font-size: 13px; color: var(--text-weak); line-height: 1.4; font-weight: 500; }

/* ===== 最新资讯卡片 ===== */
.news-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg-white); border-radius: 18px;
  border: 1px solid var(--border); overflow: hidden;
  transition: var(--transition); display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-card .card-img { position: relative; height: 210px; overflow: hidden; }
.news-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.news-card:hover .card-img img { transform: scale(1.06); }
.news-card .badge {
  position: absolute; top: 16px; left: 16px;
  background: rgba(7, 42, 66, 0.88); color: #fff;
  font-size: 12.5px; font-weight: 600; padding: 5px 14px;
  border-radius: 32px; backdrop-filter: blur(4px);
  display: inline-flex; align-items: center; gap: 6px;
}
.news-card .badge i { color: var(--accent); font-size: 11px; }
.news-card .card-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.news-card h3 { font-size: 18.5px; line-height: 1.5; font-weight: 700; color: var(--primary-dark); margin-bottom: 10px; }
.news-card .card-desc {
  font-size: 14px; color: var(--text-weak); line-height: 1.72;
  margin-bottom: 18px; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta {
  display: flex; align-items: center; gap: 16px;
  font-size: 12.5px; color: #8ba0ad; margin-top: auto;
  padding-top: 16px; border-top: 1px solid #eef3f7;
}
.card-meta span { display: inline-flex; align-items: center; gap: 6px; }
.card-meta .read-link {
  margin-left: auto; color: var(--primary); font-weight: 700;
  display: inline-flex; align-items: center; gap: 5px; transition: var(--transition);
}
.card-meta .read-link:hover { color: var(--accent); gap: 9px; }

/* ===== 热门排行 ===== */
.rank-section {
  background: linear-gradient(120deg, #0a1f2e 0%, #0b3b5a 60%, #13507a 100%);
  color: #fff; position: relative; overflow: hidden;
}
.rank-section::before {
  content: ''; position: absolute; inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.14; pointer-events: none;
}
.rank-wrap { position: relative; z-index: 2; }
.rank-section .section-head h2 { color: #fff; }
.rank-section .section-subtitle { color: var(--accent); }
.rank-section .section-head p { color: rgba(255, 255, 255, 0.65); }
.rank-section .see-all { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.22); color: #fff; }
.rank-section .see-all:hover { background: var(--accent); border-color: var(--accent); color: #0d1f2c; }
.rank-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.rank-item {
  display: flex; align-items: center; gap: 20px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px; padding: 20px 22px;
  transition: var(--transition); cursor: default;
}
.rank-item:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-3px); border-color: rgba(240, 160, 58, 0.4); }
.rank-num {
  font-size: 38px; font-weight: 800; font-style: italic;
  -webkit-text-fill-color: transparent; -webkit-text-stroke: 1.5px var(--accent);
  line-height: 1; flex-shrink: 0; width: 56px; text-align: center;
}
.rank-info { flex: 1; min-width: 0; }
.rank-info h3 { font-size: 16.5px; font-weight: 700; line-height: 1.5; margin-bottom: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-info p { font-size: 13.5px; color: rgba(255, 255, 255, 0.55); display: flex; align-items: center; gap: 14px; }
.rank-info p i { color: var(--accent); font-style: normal; }
.rank-more {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  margin-top: 36px; padding: 14px 34px; border-radius: 42px;
  background: var(--accent); color: #0d1f2c; font-weight: 700; font-size: 15px;
  transition: var(--transition); width: fit-content; margin-left: auto; margin-right: auto;
}
.rank-more:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(240, 160, 58, 0.4); }

/* ===== 关联分类入口 ===== */
.cat-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cat-card {
  background: var(--bg-white); border-radius: 18px; border: 1px solid var(--border);
  padding: 34px 30px; transition: var(--transition); position: relative; overflow: hidden;
}
.cat-card::after {
  content: ''; position: absolute; right: -30px; top: -30px;
  width: 100px; height: 100px; border-radius: 50%;
  background: var(--accent-soft); opacity: 0.6; transition: var(--transition);
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.cat-card:hover::after { transform: scale(2.4); opacity: 0.16; }
.cat-icon {
  width: 56px; height: 56px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: #fff; margin-bottom: 20px; position: relative; z-index: 1;
}
.cat-card h3 { font-size: 19px; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; position: relative; z-index: 1; }
.cat-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin-bottom: 18px; position: relative; z-index: 1; }
.cat-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 700; font-size: 14px; color: var(--primary);
  position: relative; z-index: 1; transition: var(--transition);
}
.cat-link:hover { color: var(--accent); gap: 10px; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg-white); border: 1px solid var(--border);
  border-radius: 16px; margin-bottom: 14px; overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: #c8d8e4; box-shadow: var(--shadow); }
.faq-item.active { border-color: var(--primary); box-shadow: 0 12px 34px rgba(11, 59, 90, 0.1); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 22px 26px; text-align: left; font-size: 16.5px; font-weight: 700;
  color: var(--primary-dark); gap: 18px; transition: var(--transition);
}
.faq-q:hover { color: var(--primary); }
.faq-q .faq-icon {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  background: var(--accent-soft); color: #a8671d;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; transition: var(--transition);
}
.faq-item.active .faq-icon { background: var(--primary); color: #fff; transform: rotate(90deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-a-inner { padding: 0 26px 26px; font-size: 15px; color: var(--text-weak); line-height: 1.85; }

/* ===== CTA ===== */
.cta-section {
  padding: 88px 0; position: relative;
  background: linear-gradient(115deg, rgba(7, 42, 66, 0.97), rgba(20, 184, 166, 0.85)),
              url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color: #fff; text-align: center;
}
.cta-section h2 { font-size: 34px; font-weight: 800; letter-spacing: 1px; margin-bottom: 14px; }
.cta-section p { font-size: 16px; color: rgba(255, 255, 255, 0.85); max-width: 540px; margin: 0 auto 32px; line-height: 1.75; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2); }
.btn-outline-light { border: 2px solid rgba(255, 255, 255, 0.6); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-2px); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark); color: rgba(255, 255, 255, 0.78);
  padding: 70px 0 0; font-size: 14.5px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  gap: 50px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; font-size: 24px; }
.footer-brand p { line-height: 1.8; color: rgba(255, 255, 255, 0.58); max-width: 360px; margin-top: 14px; }
.footer-col h4 {
  color: #fff; font-size: 15.5px; font-weight: 700;
  margin-bottom: 20px; letter-spacing: 0.5px;
  position: relative; padding-bottom: 12px;
}
.footer-col h4::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 28px; height: 2px; background: var(--accent); border-radius: 2px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a {
  display: inline-flex; align-items: center; gap: 8px;
  color: rgba(255, 255, 255, 0.62); transition: var(--transition);
}
.footer-col ul a i { font-size: 10px; color: var(--accent); transition: transform 0.3s; }
.footer-col ul a:hover { color: #fff; padding-left: 4px; }
.footer-col ul a:hover i { transform: translateX(2px); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 0; font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
}
.footer-bottom .footer-domain { letter-spacing: 1px; opacity: 0.6; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root { --section-pad: 72px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .cat-cards { gap: 20px; }
  .intro-grid { gap: 40px; }
  .page-hero h1 { font-size: 38px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .desktop-nav { display: none; }
  .header-cta { display: none; }
  .header-inner { height: 64px; justify-content: center; }
  .mobile-tabbar {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(14px);
    border-top: 1px solid var(--border);
    padding: 8px 0 10px;
  }
  .mobile-tabbar a {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 5px;
    font-size: 11px; font-weight: 600; color: var(--text-weak); padding: 4px 0;
    transition: var(--transition);
  }
  .mobile-tabbar a i { font-size: 19px; }
  .mobile-tabbar a.active { color: var(--primary); }
  .mobile-tabbar a.active i { background: var(--accent-soft); border-radius: 50%; padding: 5px; }
  body { padding-bottom: 64px; }
  .page-hero { padding: 60px 0 68px; }
  .page-hero h1 { font-size: 31px; }
  .hero-stats { gap: 26px; flex-wrap: wrap; }
  .hero-stats .stat b { font-size: 22px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .section-head h2 { font-size: 26px; }
  .intro-grid { grid-template-columns: 1fr; }
  .intro-visual .img-wrap img { height: 300px; }
  .intro-float-card { left: 12px; bottom: 12px; }
  .news-grid { grid-template-columns: 1fr; }
  .rank-list { grid-template-columns: 1fr; }
  .cat-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .rank-item { padding: 16px; }
  .rank-info h3 { white-space: normal; }
  .faq-q { padding: 18px 20px; font-size: 15px; }
  .faq-a-inner { padding: 0 20px 20px; }
  .cta-section { padding: 64px 0; }
  .cta-section h2 { font-size: 26px; }
  .intro-features { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo { font-size: 21px; }
  .page-hero h1 { font-size: 27px; }
  .hero-desc { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .intro-text h2 { font-size: 24px; }
  .section-head h2 { font-size: 23px; }
  .cat-card { padding: 26px 22px; }
  .rank-num { font-size: 30px; width: 44px; }
  .faq-a-inner { font-size: 14px; }
  .footer-brand .logo { font-size: 21px; }
}

/* roulang page: article */
:root {
  --primary: #0f2b4c;
  --primary-2: #17406b;
  --primary-3: #102c46;
  --accent: #c9a763;
  --accent-2: #e3c97f;
  --bg: #f4f6f9;
  --bg-deep: #0e2136;
  --white: #ffffff;
  --text: #1f2d3d;
  --text-muted: #5f6f7e;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 12px rgba(15, 43, 76, 0.06);
  --shadow: 0 8px 30px rgba(15, 43, 76, 0.1);
  --shadow-lg: 0 18px 50px rgba(15, 43, 76, 0.16);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea {
  font-family: inherit;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 6px 30px rgba(15, 43, 76, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  white-space: nowrap;
}

.logo span {
  color: var(--accent);
}

.desktop-nav {
  display: flex;
  gap: 6px;
}

.desktop-nav .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 50px;
  font-size: 0.93rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.desktop-nav .nav-link:hover {
  color: var(--primary);
  background: #f1f5f9;
}

.desktop-nav .nav-link.active {
  color: var(--white);
  background: var(--primary);
  font-weight: 600;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #122b44;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 16px rgba(201, 167, 99, 0.35);
  white-space: nowrap;
  transition: all 0.3s ease;
}

.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(201, 167, 99, 0.45);
}

.mobile-tabbar {
  display: none;
}

.article-page {
  padding-bottom: 40px;
}

.breadcrumb {
  padding: 24px 0 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-muted);
}

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

.breadcrumb .sep {
  color: #b6c0cc;
}

.breadcrumb .current {
  color: var(--text);
  font-weight: 500;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
  padding: 16px 0 60px;
}

.article-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 40px;
  border: 1px solid var(--border);
}

.article-title {
  font-size: 2rem;
  line-height: 1.4;
  color: var(--primary);
  margin-bottom: 14px;
  font-weight: 800;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 26px;
}

.article-meta .badge {
  background: #eef3f8;
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 30px;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

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

.article-cover {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.article-cover img {
  width: 100%;
  object-fit: cover;
  max-height: 460px;
}

.article-body {
  font-size: 1.02rem;
  color: #2a3747;
}

.article-body p {
  margin-bottom: 1.4em;
}

.article-body h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin: 2em 0 0.8em;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
  line-height: 1.4;
}

.article-body h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin: 1.8em 0 0.6em;
  line-height: 1.4;
}

.article-body h4 {
  font-size: 1.1rem;
  color: var(--primary);
  margin: 1.4em 0 0.4em;
}

.article-body ul,
.article-body ol {
  margin: 1em 0 1.4em;
  padding-left: 1.4em;
}

.article-body ul li {
  list-style: disc;
  margin-bottom: 0.5em;
}

.article-body ol li {
  list-style: decimal;
  margin-bottom: 0.5em;
}

.article-body blockquote {
  border-left: 3px solid var(--accent);
  background: #faf6ed;
  padding: 14px 20px;
  border-radius: 0 8px 8px 0;
  margin: 1.4em 0;
  color: #5b5f66;
}

.article-body img {
  border-radius: 10px;
  margin: 1.4em 0;
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
}

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

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4em 0;
  font-size: 0.95rem;
}

.article-body th,
.article-body td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.article-body th {
  background: #f0f4f8;
  color: var(--primary);
  font-weight: 600;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.article-tags a {
  background: #f4f6f9;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.article-tags a:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.article-empty {
  text-align: center;
  padding: 60px 20px;
}

.article-empty i {
  font-size: 3.6rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.article-empty h1 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.article-empty p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(15, 43, 76, 0.25);
}

.btn-primary:hover {
  background: var(--primary-2);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(15, 43, 76, 0.3);
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #122b44;
  box-shadow: 0 4px 16px rgba(201, 167, 99, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 167, 99, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 96px;
}

.sidebar-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

.sidebar-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid #eef2f6;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-title i {
  color: var(--accent);
}

.article-meta-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed #edf1f5;
  font-size: 0.92rem;
  color: var(--text-muted);
}

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

.article-meta-list i {
  color: var(--accent);
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.article-meta-list a {
  color: var(--primary);
  font-weight: 500;
}

.article-meta-list a:hover {
  color: var(--accent);
}

.category-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 8px;
  margin-bottom: 8px;
  background: #f8fafc;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.category-links a:last-child {
  margin-bottom: 0;
}

.category-links a:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.category-links a i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}

.category-links a:hover i {
  color: var(--accent-2);
}

.sidebar-post {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed #edf1f5;
  align-items: center;
}

.sidebar-post:last-child {
  border-bottom: none;
}

.sidebar-post img {
  width: 72px;
  height: 54px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.sidebar-post-info h5 {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text);
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-post-info span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.sidebar-post:hover h5 {
  color: var(--primary);
}

/* 相关推荐 */
.related-section {
  padding: 70px 0;
  background: var(--bg);
}

.section-header {
  text-align: center;
  margin-bottom: 44px;
}

.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #122b44;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 30px;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.section-header h2 {
  font-size: 1.9rem;
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 10px;
}

.section-header p {
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.related-card-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.35s ease;
  display: block;
}

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

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

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

.related-card-item:hover .related-card-media img {
  transform: scale(1.06);
}

.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 43, 76, 0.82);
  color: var(--white);
  font-size: 0.78rem;
  padding: 4px 14px;
  border-radius: 30px;
  backdrop-filter: blur(6px);
}

.related-card-body {
  padding: 22px;
}

.related-card-body h3 {
  font-size: 1.1rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 8px;
}

.related-card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.text-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.related-card-item:hover .text-link {
  gap: 10px;
}

/* 服务保障 */
.service-band {
  background: linear-gradient(135deg, var(--bg-deep) 0%, var(--primary-3) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
}

.service-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14, 33, 54, 0.92), rgba(15, 43, 76, 0.85));
}

.service-band .container {
  position: relative;
  z-index: 2;
}

.band-content {
  text-align: center;
  color: var(--white);
}

.section-tag.light {
  background: rgba(201, 167, 99, 0.2);
  color: var(--accent-2);
  border: 1px solid rgba(201, 167, 99, 0.3);
}

.band-content h2 {
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.band-content > p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 640px;
  margin: 0 auto 48px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.stat-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 28px 18px;
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.stat-item strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-2);
  line-height: 1.3;
  margin-bottom: 6px;
}

.stat-item span {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

/* FAQ */
.faq-section {
  padding: 70px 0;
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow);
  border-color: #c9d4e0;
}

.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  transition: all 0.3s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item summary i {
  color: var(--accent);
}

.faq-item .faq-answer {
  padding: 0 24px 20px 48px;
  color: var(--text-muted);
  font-size: 0.95rem;
  border-top: 1px dashed #eef1f5;
  padding-top: 16px;
}

/* CTA */
.cta-section {
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 80px 0;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 43, 76, 0.94), rgba(23, 64, 107, 0.88));
}

.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-section h2 {
  font-size: 2rem;
  color: var(--white);
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 640px;
  margin: 0 auto 36px;
  font-size: 1rem;
}

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

/* 页脚 */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 14px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 340px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

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

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.footer-col ul li a i {
  font-size: 0.7rem;
  color: var(--accent);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
}

.footer-domain {
  color: rgba(255, 255, 255, 0.3);
}

/* 响应式 */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 28px;
  }

  .desktop-nav .nav-link {
    padding: 10px 12px;
    font-size: 0.88rem;
  }

  .header-cta {
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  .article-box {
    padding: 32px;
  }

  .article-title {
    font-size: 1.7rem;
  }
}

@media (max-width: 900px) {
  .desktop-nav,
  .header-cta {
    display: none;
  }

  .mobile-tabbar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    z-index: 200;
    box-shadow: 0 -4px 20px rgba(15, 43, 76, 0.06);
  }

  .mobile-tabbar .tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: var(--text-muted);
    font-size: 0.75rem;
    transition: color 0.3s ease;
  }

  .mobile-tabbar .tab-item i {
    font-size: 1.1rem;
  }

  .mobile-tabbar .tab-item.active {
    color: var(--primary);
    font-weight: 600;
  }

  body {
    padding-bottom: 60px;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    height: 64px;
  }

  .logo {
    font-size: 1.25rem;
  }

  .breadcrumb {
    padding-top: 16px;
    font-size: 0.8rem;
  }

  .article-box {
    padding: 24px 18px;
    border-radius: 16px;
  }

  .article-title {
    font-size: 1.35rem;
  }

  .article-meta {
    gap: 10px;
    font-size: 0.82rem;
  }

  .article-body {
    font-size: 1rem;
  }

  .article-body h2 {
    font-size: 1.25rem;
  }

  .article-body h3 {
    font-size: 1.15rem;
  }

  .article-body table {
    font-size: 0.85rem;
    display: block;
    overflow-x: auto;
  }

  .article-sidebar {
    grid-template-columns: 1fr;
  }

  .related-section {
    padding: 50px 0;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

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

  .related-card-media {
    height: 180px;
  }

  .service-band {
    padding: 56px 0;
  }

  .band-content h2 {
    font-size: 1.4rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-item {
    padding: 20px 12px;
  }

  .stat-item strong {
    font-size: 1.5rem;
  }

  .faq-section {
    padding: 50px 0;
  }

  .faq-item summary {
    font-size: 0.95rem;
    padding: 16px 18px;
  }

  .faq-item .faq-answer {
    padding: 12px 18px 18px;
  }

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

  .cta-section h2 {
    font-size: 1.5rem;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

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

  .stat-item {
    padding: 16px 10px;
  }

  .stat-item strong {
    font-size: 1.3rem;
  }

  .article-tags a {
    font-size: 0.8rem;
  }

  .related-card-body h3 {
    font-size: 1rem;
  }
}

/* roulang page: category2 */
:root {
    --primary: #0a2540;
    --primary-light: #123b63;
    --accent: #00d4aa;
    --accent-hover: #00f0c2;
    --accent-soft: rgba(0, 212, 170, 0.12);
    --bg: #f4f6f9;
    --bg-dark: #0e1a2b;
    --card-bg: #ffffff;
    --text: #1a2b3c;
    --text-light: #5a6b7c;
    --text-lighter: #8a9aa8;
    --border: #e3e9f0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 20px rgba(10, 37, 64, 0.08);
    --shadow-lg: 0 12px 40px rgba(10, 37, 64, 0.14);
    --transition: all 0.3s ease;
    --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

ul, ol {
    list-style: none;
}

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

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 72px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 2px;
    line-height: 1.2;
    white-space: nowrap;
}

.logo span {
    color: var(--accent);
    font-weight: 700;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.desktop-nav .nav-link {
    padding: 10px 20px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.desktop-nav .nav-link i {
    font-size: 15px;
    opacity: 0.75;
}

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

.desktop-nav .nav-link.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 4px 14px rgba(10, 37, 64, 0.25);
}

.desktop-nav .nav-link.active i {
    color: var(--accent);
    opacity: 1;
}

.header-cta {
    padding: 10px 24px;
    border-radius: 40px;
    background: linear-gradient(135deg, var(--accent) 0%, #00b894 100%);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 14px rgba(0, 212, 170, 0.35);
    white-space: nowrap;
    transition: var(--transition);
}

.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 170, 0.45);
    color: #fff;
}

/* ===== Mobile Bottom Nav ===== */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(10, 37, 64, 0.06);
    padding: 6px 8px 10px;
    justify-content: space-around;
}

.mobile-bottom-nav .bottom-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 6px 12px;
    border-radius: 14px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-lighter);
    transition: var(--transition);
    min-width: 64px;
}

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

.mobile-bottom-nav .bottom-tab.active {
    color: var(--primary);
    background: var(--accent-soft);
    font-weight: 700;
}

.mobile-bottom-nav .bottom-tab.active i {
    color: var(--accent);
}

.mobile-bottom-nav .bottom-tab:active {
    transform: scale(0.95);
}

/* ===== Hero ===== */
.page-hero {
    position: relative;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
    padding: 90px 0 80px;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: 0.18;
}

.page-hero::after {
    content: '';
    position: absolute;
    top: -60%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    border-radius: 40px;
    background: rgba(0, 212, 170, 0.15);
    border: 1px solid rgba(0, 212, 170, 0.35);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.page-hero h1 {
    color: #fff;
    font-size: 46px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

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

.page-hero p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 640px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat {
    text-align: left;
}

.hero-stat strong {
    display: block;
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
}

.hero-stat strong i {
    color: var(--accent);
    font-style: normal;
    font-size: 20px;
    margin-right: 2px;
}

.hero-stat span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #00b894 100%);
    color: #fff;
    box-shadow: 0 6px 20px rgba(0, 212, 170, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.45);
    color: #fff;
}

.btn-outline-light {
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    color: #fff;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
    color: #fff;
}

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

.section-alt {
    background: #fff;
}

.section-dark {
    background: var(--bg-dark);
    color: #fff;
}

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.section-head .section-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 30px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-head h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.3;
    letter-spacing: -0.5px;
    margin-bottom: 14px;
}

.section-head p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
}

.section-dark .section-head h2 {
    color: #fff;
}

.section-dark .section-head p {
    color: rgba(255, 255, 255, 0.7);
}

.section-dark .section-tag {
    background: rgba(0, 212, 170, 0.15);
    color: var(--accent);
}

/* ===== Guide Cards ===== */
.guide-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.guide-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.guide-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), #00b894);
    opacity: 0;
    transition: var(--transition);
}

.guide-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.guide-icon {
    width: 76px;
    height: 76px;
    border-radius: 20px;
    background: var(--accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    font-size: 28px;
    color: var(--accent);
    transition: var(--transition);
}

.guide-card:hover .guide-icon {
    background: var(--accent);
    color: #fff;
    transform: scale(1.05);
}

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

.guide-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== Live Channels ===== */
.channel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.channel-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.channel-cover {
    position: relative;
    height: 210px;
    overflow: hidden;
}

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

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

.channel-cover .cover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(10, 37, 64, 0.7) 100%);
}

.channel-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    border-radius: 30px;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.channel-body {
    padding: 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.channel-body h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.channel-body p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 18px;
}

.channel-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-lighter);
}

.channel-meta i {
    color: var(--accent);
    margin-right: 5px;
}

/* ===== Flow Steps ===== */
.steps-section {
    position: relative;
    background: linear-gradient(135deg, var(--bg-dark), var(--primary));
}

.steps-section .section-head h2 {
    color: #fff;
}

.steps-section .section-head p {
    color: rgba(255, 255, 255, 0.7);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 2;
}

.step-item {
    text-align: center;
    position: relative;
}

.step-number {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(0, 212, 170, 0.15);
    border: 2px solid var(--accent);
    color: var(--accent);
    font-size: 26px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 30px rgba(0, 212, 170, 0.2);
}

.step-item::after {
    content: '';
    position: absolute;
    top: 36px;
    left: 60%;
    width: calc(100% - 40px);
    height: 2px;
    background: rgba(0, 212, 170, 0.2);
    z-index: 1;
}

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

.step-item h3 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-item p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== Equipment / Terminal ===== */
.device-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.device-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 36px 30px;
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
}

.device-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.device-card .device-icon {
    width: 70px;
    height: 70px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 27px;
    color: var(--accent);
    margin: 0 auto 20px;
}

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

.device-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.device-card .device-list {
    text-align: left;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px dashed var(--border);
}

.device-card .device-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
    padding: 6px 0;
}

.device-card .device-list li i {
    color: var(--accent);
    width: 18px;
    text-align: center;
}

/* ===== Featured Matches ===== */
.match-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.match-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

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

.match-card .match-league {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 5px 14px;
    border-radius: 30px;
    margin-bottom: 18px;
}

.match-teams {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.match-team {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
    text-align: center;
}

.match-team .team-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.match-team span {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.match-score {
    font-size: 26px;
    font-weight: 800;
    color: var(--primary);
    padding: 0 6px;
}

.match-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-lighter);
}

.match-info .badge-live {
    padding: 4px 12px;
    border-radius: 20px;
    background: #ff4757;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.75; transform: scale(0.96); }
}

/* ===== FAQ ===== */
.faq-section {
    background: #fff;
}

.faq-list {
    max-width: 840px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    background: var(--card-bg);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--accent);
}

.faq-item.active {
    box-shadow: var(--shadow);
}

.faq-question {
    padding: 22px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
}

.faq-question .faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 14px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: var(--accent);
    color: #fff;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.faq-answer-inner {
    padding: 0 28px 24px;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 70px 0;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.cta-content h2 {
    color: #fff;
    font-size: 34px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 32px;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-dark);
    padding: 60px 0 30px;
    color: rgba(255, 255, 255, 0.65);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 28px;
}

.footer-brand .logo {
    color: #fff;
    font-size: 22px;
    margin-bottom: 16px;
}

.footer-brand .logo span {
    color: var(--accent);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 360px;
}

.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}

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

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.footer-col ul li a i {
    font-size: 10px;
    color: var(--accent);
    transition: transform 0.3s ease;
}

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

.footer-col ul li a:hover i {
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-domain {
    letter-spacing: 1px;
}

/* ===== Page Structure ===== */
.breadcrumb-bar {
    background: #fff;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-light);
}

.breadcrumb a {
    color: var(--text-light);
}

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

.breadcrumb i {
    font-size: 12px;
    color: var(--text-lighter);
}

.breadcrumb .current {
    color: var(--accent);
    font-weight: 600;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .guide-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .channel-grid,
    .device-grid,
    .match-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 32px;
    }
    .step-item::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    .site-header {
        display: none;
    }
    .mobile-bottom-nav {
        display: flex;
    }
    body {
        padding-bottom: 68px;
    }
    .page-hero {
        padding: 60px 0 56px;
    }
    .page-hero h1 {
        font-size: 32px;
    }
    .page-hero p {
        font-size: 15px;
    }
    .section {
        padding: 56px 0;
    }
    .section-head h2 {
        font-size: 28px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero-stats {
        gap: 24px;
    }
    .hero-stat strong {
        font-size: 24px;
    }
}

@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    .guide-grid,
    .channel-grid,
    .device-grid,
    .match-grid {
        grid-template-columns: 1fr;
    }
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .page-hero h1 {
        font-size: 28px;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    .section-head h2 {
        font-size: 25px;
    }
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    .faq-question {
        font-size: 15px;
        padding: 18px 20px;
    }
    .foq-answer-inner {
        padding: 0 20px 20px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ===== Focus Accessibility ===== */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a73e8;
            --primary-dark: #125ab8;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --dark: #0b1f33;
            --darker: #081827;
            --bg: #f4f7fb;
            --white: #ffffff;
            --text: #1b2633;
            --muted: #617183;
            --border: #e4e9f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 12px 32px rgba(11, 31, 51, 0.08);
            --shadow-lg: 0 24px 60px rgba(11, 31, 51, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --header-h: 72px;
            --footer-bg: #0b1f33;
            --container: 1200px;
        }

        /* ===== 基础 Reset ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding-bottom: 60px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        textarea {
            font: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(26, 115, 232, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 88px 0;
        }
        .section + .section {
            border-top: 1px solid var(--border);
        }
        .section-head {
            max-width: 720px;
            margin: 0 auto 48px;
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
            line-height: 1.3;
        }
        .section-head p {
            margin-top: 14px;
            color: var(--muted);
            font-size: 16px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(26, 115, 232, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(26, 115, 232, 0.4);
        }
        .btn-outline {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.55);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-2px);
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 24px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--primary);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            transition: var(--transition);
        }
        .nav-link i {
            font-size: 14px;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(26, 115, 232, 0.35);
            transition: var(--transition);
        }
        .header-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(26, 115, 232, 0.4);
        }

        /* ===== 移动端底部 Tab（同一导航移动呈现） ===== */
        .mobile-tabbar {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: #fff;
            border-top: 1px solid var(--border);
            box-shadow: 0 -4px 20px rgba(11, 31, 51, 0.06);
            height: 60px;
            padding-bottom: env(safe-area-inset-bottom);
        }
        .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            font-size: 11px;
            color: var(--muted);
            transition: var(--transition);
        }
        .tab-item i {
            font-size: 18px;
        }
        .tab-item.active {
            color: var(--primary);
        }
        .tab-item:hover {
            color: var(--primary);
        }

        /* ===== 页面横幅 ===== */
        .page-banner {
            position: relative;
            padding: 96px 0 76px;
            background-color: var(--dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 21, 38, 0.92), rgba(11, 31, 51, 0.78) 60%, rgba(26, 115, 232, 0.55));
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-tag {
            display: inline-block;
            background: rgba(26, 115, 232, 0.25);
            border: 1px solid rgba(116, 173, 255, 0.4);
            color: #cfdfff;
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 13px;
            letter-spacing: 2px;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            color: #fff;
            font-size: 44px;
            font-weight: 800;
            letter-spacing: -1px;
        }
        .banner-desc {
            color: rgba(255, 255, 255, 0.82);
            max-width: 640px;
            margin: 16px auto 0;
            font-size: 17px;
        }
        .breadcrumb {
            margin-top: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .sep {
            opacity: 0.5;
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        /* ===== 核心能力双栏 ===== */
        .core-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .core-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .core-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .core-image:hover img {
            transform: scale(1.03);
        }
        .core-content .section-tag {
            margin-bottom: 14px;
        }
        .core-content h2 {
            font-size: 32px;
            color: var(--dark);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }
        .core-content > p {
            margin: 16px 0 28px;
            color: var(--muted);
        }
        .core-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .core-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            transition: var(--transition);
        }
        .core-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: rgba(26, 115, 232, 0.35);
        }
        .core-item .icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            margin-bottom: 12px;
        }
        .core-item h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .core-item p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ===== 数据指标条带 ===== */
        .stats-band {
            background: var(--dark);
            background-image: linear-gradient(135deg, #071526 0%, #0b1f33 60%, #123a66 100%);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-band::after {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(26, 115, 232, 0.3), transparent 70%);
            top: -110px;
            right: -110px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
            z-index: 2;
        }
        .stat-item {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(26, 115, 232, 0.5);
            transform: translateY(-4px);
        }
        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-num span {
            color: var(--accent);
        }
        .stat-label {
            margin-top: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 功能详情网格 ===== */
        .detail-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .detail-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .detail-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }
        .detail-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .detail-card:hover::before {
            transform: scaleX(1);
        }
        .detail-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #4da3ff);
            color: #fff;
            font-size: 20px;
            margin-bottom: 18px;
            box-shadow: 0 8px 20px rgba(26, 115, 232, 0.3);
        }
        .detail-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .detail-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }
        .detail-card .link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .detail-card .link:hover {
            gap: 10px;
        }

        /* ===== 使用流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
        }
        .step-item {
            position: relative;
            padding: 28px 22px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .step-num {
            font-size: 38px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1.5px var(--primary);
            line-height: 1;
            margin-bottom: 12px;
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(26, 115, 232, 0.35);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            transition: var(--transition);
        }
        .faq-question::-webkit-details-marker {
            display: none;
        }
        .faq-question::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 13px;
            color: var(--primary);
            transition: transform 0.3s;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item[open] .faq-question::after {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 22px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-color: var(--dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 21, 38, 0.94), rgba(11, 31, 51, 0.86) 70%, rgba(26, 115, 232, 0.6));
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.78);
            max-width: 560px;
            margin: 16px auto 32px;
            font-size: 16px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255, 255, 255, 0.75);
            padding: 66px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .logo {
            color: #fff;
        }
        .footer-brand .logo span {
            color: var(--accent);
        }
        .footer-brand p {
            margin-top: 14px;
            font-size: 14px;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 300px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-col ul li a i {
            font-size: 11px;
            color: var(--accent);
        }
        .footer-bottom {
            padding-top: 26px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-domain {
            font-weight: 600;
            letter-spacing: 1px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .core-grid {
                gap: 36px;
            }
            .detail-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (min-width: 992px) {
            .mobile-tabbar {
                display: none;
            }
            body {
                padding-bottom: 0;
            }
        }
        @media (max-width: 991.98px) {
            .desktop-nav {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .section-head h2 {
                font-size: 27px;
            }
            .section-head p {
                font-size: 15px;
            }
            .page-banner {
                padding: 70px 0 54px;
            }
            .page-banner h1 {
                font-size: 31px;
            }
            .banner-desc {
                font-size: 15px;
            }
            .header-cta {
                display: none;
            }
            .logo {
                font-size: 19px;
            }
            .core-grid {
                grid-template-columns: 1fr;
            }
            .core-image img {
                height: 260px;
            }
            .core-list {
                grid-template-columns: 1fr;
            }
            .core-content h2 {
                font-size: 26px;
            }
            .stats-band {
                padding: 54px 0;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 27px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .detail-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-num {
                font-size: 28px;
            }
            .stat-label {
                font-size: 13px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .faq-question {
                font-size: 14px;
                padding: 18px 18px;
            }
            .faq-answer {
                padding: 0 18px 18px;
                font-size: 14px;
            }
            .page-banner h1 {
                font-size: 27px;
            }
        }