/* roulang page: index */
:root {
  --primary: #1a3a5c;
  --primary-dark: #0f2440;
  --primary-light: #2d5a8e;
  --accent: #ff7a45;
  --accent-light: #ffa07a;
  --accent-dark: #e85d28;
  --bg-light: #f5f7fb;
  --bg-white: #ffffff;
  --bg-dark: #0f1e36;
  --text-dark: #1a2332;
  --text-body: #4a5568;
  --text-muted: #8a94a6;
  --border: #e8ecf3;
  --border-light: #f0f2f6;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.08);
  --shadow-md: 0 8px 30px rgba(26, 58, 92, 0.12);
  --shadow-lg: 0 16px 50px rgba(26, 58, 92, 0.18);
  --transition: all 0.3s ease;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background-color: var(--bg-light);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1200px; padding-left: 1.25rem; padding-right: 1.25rem; }
section { position: relative; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 2px 20px rgba(26,58,92,0.06);
  padding: 0;
}
.site-header .navbar {
  padding: 0.85rem 0;
  min-height: 70px;
}
.site-header .navbar-brand {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-header .navbar-brand .brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 4px 14px rgba(26,58,92,0.25);
}
.site-header .navbar-nav {
  gap: 0.25rem;
}
.site-header .nav-link {
  color: var(--text-body);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.site-header .nav-link:hover {
  color: var(--primary);
  background: rgba(26,58,92,0.06);
}
.site-header .nav-link.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(26,58,92,0.08);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.search-box {
  position: relative;
  width: 220px;
}
.search-box input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 0 14px 0 38px;
  font-size: 0.85rem;
  color: var(--text-dark);
  background: var(--bg-light);
  transition: var(--transition);
  outline: none;
}
.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,122,69,0.15);
  background: #fff;
}
.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
}
.header-actions .btn {
  height: 40px;
  border-radius: 24px;
  padding: 0 20px;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.navbar-toggler {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--primary);
}
.navbar-toggler:focus {
  box-shadow: none;
  border-color: var(--accent);
}

/* ===== Buttons ===== */
.btn {
  border-radius: 10px;
  font-weight: 600;
  padding: 0.65rem 1.5rem;
  border: none;
  transition: var(--transition);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(26,58,92,0.25);
}
.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,58,92,0.3);
  color: #fff !important;
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(255,122,69,0.3);
}
.btn-accent:hover, .btn-accent:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,122,69,0.4);
  color: #fff !important;
}
.btn-outline-primary {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary) !important;
}
.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff !important;
  transform: translateY(-2px);
}
.btn-outline-light {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.6);
  color: #fff !important;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-light-custom {
  background: #fff;
  color: var(--primary) !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}
.btn-light-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
  color: var(--primary) !important;
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 120px 0 100px;
  color: #fff;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15,36,64,0.92) 0%, rgba(15,36,64,0.72) 45%, rgba(26,58,92,0.35) 100%);
  z-index: 1;
}
.hero-section .container {
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,122,69,0.2);
  border: 1px solid rgba(255,122,69,0.35);
  color: #ffb49a;
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-section h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
  color: #fff;
}
.hero-section .lead {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.85);
  max-width: 640px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 30px;
  max-width: 700px;
}
.hero-stat {
  flex: 1;
  min-width: 140px;
  padding-right: 24px;
}
.hero-stat .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1.2;
  margin-bottom: 4px;
}
.hero-stat .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
}

/* ===== Section Common ===== */
.section-padding { padding: 90px 0; }
.section-padding-sm { padding: 60px 0; }
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}
.section-header .section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(255,122,69,0.1);
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}
.text-center { text-align: center; }

/* ===== Feature Cards ===== */
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255,122,69,0.25);
}
.feature-card .feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: 0 6px 20px rgba(26,58,92,0.2);
}
.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 6px 20px rgba(255,122,69,0.25);
}
.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 6px 20px rgba(16,185,129,0.25);
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--text-body);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ===== Category Cards ===== */
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: block;
  height: 320px;
  background: var(--bg-white);
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.category-card .cat-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover .cat-img {
  transform: scale(1.06);
}
.category-card .cat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,36,64,0.1) 0%, rgba(15,36,64,0.65) 55%, rgba(15,36,64,0.9) 100%);
  z-index: 1;
}
.category-card .cat-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px;
  z-index: 2;
}
.category-card .cat-content .cat-tag {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.category-card .cat-content h3 {
  color: #fff;
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.category-card .cat-content p {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  margin-bottom: 0;
}
.category-card .cat-content .cat-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 12px;
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition);
}
.category-card:hover .cat-link {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Sport Cards ===== */
.sport-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  box-shadow: var(--shadow-sm);
}
.sport-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.sport-card .sport-img-wrap {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.sport-card .sport-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.sport-card:hover .sport-img-wrap img {
  transform: scale(1.05);
}
.sport-card .sport-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15,36,64,0.8);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 2;
}
.sport-card .sport-body {
  padding: 22px;
}
.sport-card .sport-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.sport-card .sport-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}
.sport-card .sport-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  border-top: 1px solid var(--border-light);
  background: rgba(245,247,251,0.5);
}
.sport-card .sport-meta .count {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.sport-card .sport-meta .arrow {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(26,58,92,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.8rem;
  transition: var(--transition);
}
.sport-card:hover .sport-meta .arrow {
  background: var(--accent);
  color: #fff;
  transform: rotate(-45deg);
}

/* ===== Data Section ===== */
.data-section {
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 100px 0;
  color: #fff;
  position: relative;
}
.data-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,36,64,0.92), rgba(26,58,92,0.82));
  z-index: 1;
}
.data-section .container {
  position: relative;
  z-index: 2;
}
.data-section .section-header h2 {
  color: #fff;
}
.data-section .section-header p {
  color: rgba(255,255,255,0.7);
}
.data-item {
  text-align: center;
  padding: 30px 16px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(4px);
  transition: var(--transition);
  height: 100%;
}
.data-item:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.22);
  transform: translateY(-4px);
}
.data-item .data-value {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1.2;
  margin-bottom: 8px;
}
.data-item .data-label {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

/* ===== Journey / Path ===== */
.journey-section {
  background: var(--bg-white);
}
.journey-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.journey-node {
  position: relative;
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.journey-node:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: #fff;
}
.journey-node .node-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 18px;
  box-shadow: 0 4px 14px rgba(255,122,69,0.3);
}
.journey-node .node-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: rgba(26,58,92,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
}
.journey-node h3 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.journey-node p {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}
.journey-node::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -24px;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(255,122,69,0.2));
}
.journey-node:last-child::after {
  display: none;
}

/* ===== News / CMS Cards ===== */
.news-section {
  background: var(--bg-light);
}
.news-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  padding: 26px 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: var(--shadow-sm);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255,122,69,0.2);
}
.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.news-category {
  display: inline-block;
  background: rgba(26,58,92,0.08);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 20px;
}
.news-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.news-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card h3 a {
  color: inherit;
}
.news-card h3 a:hover {
  color: var(--accent);
}
.news-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.btn-read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.btn-read-more:hover {
  color: var(--accent);
  gap: 10px;
}
.empty-state {
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: 0.95rem;
  width: 100%;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-white);
}
.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-light);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(255,122,69,0.25);
  box-shadow: var(--shadow-sm);
}
.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
}
.faq-item .faq-question i {
  color: var(--accent);
  transition: transform 0.3s ease;
  margin-left: 16px;
  flex-shrink: 0;
}
.faq-item.active .faq-question i {
  transform: rotate(45deg);
}
.faq-item .faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  color: var(--text-body);
  font-size: 0.93rem;
  line-height: 1.7;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

/* ===== Quote / Testimonial ===== */
.review-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 30px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
}
.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.review-card .review-stars {
  color: #fbbf24;
  font-size: 0.85rem;
  margin-bottom: 14px;
}
.review-card .review-text {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 20px;
}
.review-card .review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-card .review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.review-card .review-name {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.9rem;
}
.review-card .review-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== CTA ===== */
.cta-section {
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  padding: 90px 0;
  color: #fff;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,36,64,0.88), rgba(255,122,69,0.45));
  z-index: 1;
}
.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
}
.cta-section h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.cta-section p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  max-width: 640px;
  margin: 0 auto 30px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 30px;
}
.site-footer .footer-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.site-footer .footer-brand .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #fff;
}
.site-footer .footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 0;
  color: rgba(255,255,255,0.6);
}
.site-footer h5 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
}
.site-footer .footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-footer .footer-links li {
  margin-bottom: 10px;
}
.site-footer .footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  transition: var(--transition);
}
.site-footer .footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  margin-top: 48px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a {
  color: rgba(255,255,255,0.6);
}
.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 16px rgba(26,58,92,0.3);
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-3px);
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .journey-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; }
}
@media (max-width: 991.98px) {
  .site-header .navbar-collapse {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-md);
    margin-top: 12px;
    position: absolute;
    top: 100%;
    left: 12px;
    right: 12px;
  }
  .site-header .navbar-nav { gap: 4px; margin-bottom: 12px; }
  .header-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .search-box { width: 100%; }
  .header-actions .btn { width: 100%; }
  .hero-section { padding: 90px 0 70px; }
  .hero-section h1 { font-size: 2.5rem; }
  .journey-grid { grid-template-columns: repeat(2, 1fr); }
  .journey-node::after { display: none; }
  .data-section { padding: 70px 0; }
  .section-padding { padding: 70px 0; }
}
@media (max-width: 767.98px) {
  .hero-section { padding: 70px 0 60px; }
  .hero-section h1 { font-size: 2rem; }
  .hero-section .lead { font-size: 1rem; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-stat { min-width: auto; padding-right: 0; }
  .section-header h2 { font-size: 1.7rem; }
  .journey-grid { grid-template-columns: 1fr; }
  .cta-section h2 { font-size: 1.7rem; }
  .cta-section p { font-size: 1rem; }
}
@media (max-width: 575.98px) {
  .container { padding-left: 1rem; padding-right: 1rem; }
  .section-padding { padding: 55px 0; }
  .hero-actions .btn { width: 100%; }
  .footer-bottom { font-size: 0.8rem; }
  .review-card { padding: 22px; }
  .feature-card { padding: 26px 22px; }
  .back-to-top { bottom: 16px; right: 16px; width: 40px; height: 40px; }
}

/* roulang page: category1 */
:root {
  --primary: #1a5cff;
  --primary-dark: #0e3fa8;
  --accent: #ff6a00;
  --accent-light: #ffb347;
  --dark: #0b1033;
  --dark-2: #131a45;
  --body-bg: #f6f8fc;
  --text: #1c2340;
  --text-light: #5b6585;
  --border: #e3e8f2;
  --card-bg: #ffffff;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 40px rgba(11, 16, 51, 0.07);
  --shadow-lg: 0 20px 60px rgba(11, 16, 51, 0.12);
  --spacer: 110px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--body-bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--primary-dark);
}

ul, ol {
  list-style: none;
}

button, input {
  font-family: inherit;
}

/* Container */
.container {
  max-width: 1220px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(227, 232, 242, 0.8);
  transition: var(--transition);
}

.site-header.scrolled {
  background: #fff;
  box-shadow: 0 6px 30px rgba(11, 16, 51, 0.08);
}

.site-header .navbar {
  padding: 16px 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--dark) !important;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #3b8bff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 4px 14px rgba(26, 92, 255, 0.3);
}

.navbar .navbar-nav {
  gap: 4px;
}

.navbar .nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}

.navbar .nav-link:hover {
  color: var(--primary);
  background: rgba(26, 92, 255, 0.06);
}

.navbar .nav-link.active {
  color: var(--primary);
  background: rgba(26, 92, 255, 0.08);
}

.navbar .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.search-box {
  display: flex;
  align-items: center;
  background: #f2f5fa;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 7px 16px;
  gap: 8px;
  transition: var(--transition);
  min-width: 190px;
}

.search-box i {
  color: var(--text-light);
  font-size: 14px;
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--text);
  width: 100%;
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 92, 255, 0.12);
  background: #fff;
}

.btn {
  border-radius: 10px;
  font-weight: 600;
  padding: 10px 22px;
  font-size: 15px;
  transition: var(--transition);
  border: none;
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), #ff8c2e);
  color: #fff;
  box-shadow: 0 5px 16px rgba(255, 106, 0, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 106, 0, 0.4);
  color: #fff;
}

.btn-outline-primary {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 92, 255, 0.25);
}

.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  color: var(--primary-dark);
}

.navbar-toggler {
  border: none;
  font-size: 22px;
  color: var(--dark);
  padding: 4px 10px;
  background: #f2f5fa;
  border-radius: 8px;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 180px 0 120px;
  background: linear-gradient(135deg, #0b1033 0%, #131a45 55%, #1d2a63 100%);
  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: 0.22;
}

.page-hero::after {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 139, 255, 0.25), transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 24px;
  margin-bottom: 18px;
  backdrop-filter: blur(6px);
}

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

.page-hero h1 {
  font-size: 52px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

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

.page-hero p.lead {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  max-width: 620px;
  margin-bottom: 30px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 38px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stats .stat-item h4 {
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 2px;
}

.hero-stats .stat-item p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  margin: 0;
}

/* ===== Breadcrumb ===== */
.crumb-wrap {
  position: relative;
  z-index: 3;
  padding: 14px 0;
  background: var(--body-bg);
  border-bottom: 1px solid var(--border);
}

.crumb-wrap .breadcrumb {
  margin: 0;
  background: transparent;
  padding: 0;
}

.crumb-wrap .breadcrumb a {
  color: var(--text-light);
  font-size: 14px;
}

.crumb-wrap .breadcrumb a:hover {
  color: var(--primary);
}

.crumb-wrap .breadcrumb-item.active {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}

.brreadcrumb-item + .breadcrumb-item::before {
  color: #b5bfd4;
}

/* ===== Section Titles ===== */
.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  position: relative;
}

.section-subtitle {
  color: var(--text-light);
  font-size: 16px;
  max-width: 620px;
  line-height: 1.8;
}

.title-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  background: rgba(26, 92, 255, 0.08);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}

/* ===== Section Common ===== */
.section-pad {
  padding: 100px 0;
}

.section-alt {
  background: #fff;
}

/* ===== Match Cards ===== */
.match-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.match-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(26, 92, 255, 0.2);
}

.match-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

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

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

.match-thumb .cat-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 16, 51, 0.7);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.match-thumb .cat-tag.hot {
  background: linear-gradient(135deg, var(--accent), #ff8c2e);
  box-shadow: 0 4px 12px rgba(255, 106, 0, 0.35);
}

.match-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.match-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 10px;
}

.match-meta .date {
  display: flex;
  align-items: center;
  gap: 5px;
}

.match-meta .league {
  background: rgba(26, 92, 255, 0.08);
  color: var(--primary);
  padding: 2px 10px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 12px;
}

.match-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.45;
}

.match-body h3 a {
  color: var(--dark);
}

.match-body h3 a:hover {
  color: var(--primary);
}

.match-body p.desc {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.match-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

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

.match-bottom .read-more i {
  transition: transform 0.3s ease;
  font-size: 12px;
}

.match-bottom .read-more:hover i {
  transform: translateX(4px);
}

.match-bottom .view-count {
  font-size: 13px;
  color: var(--text-light);
}

.match-bottom .view-count i {
  margin-right: 3px;
  font-size: 12px;
}

/* ===== Deep Analysis Section ===== */
.analysis-wrap {
  background: var(--dark);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.analysis-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.14;
}

.analysis-content {
  position: relative;
  z-index: 2;
}

.analysis-wrap .section-title {
  color: #fff;
}

.analysis-wrap .section-subtitle {
  color: rgba(255, 255, 255, 0.6);
}

.analysis-wrap .title-tag {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent-light);
}

.analysis-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 30px;
  height: 100%;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.analysis-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-4px);
}

.analysis-card .icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), #3b8bff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  margin-bottom: 18px;
  box-shadow: 0 6px 18px rgba(26, 92, 255, 0.35);
}

.analysis-card h4 {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.analysis-card p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

/* ===== Comparison / Stats ===== */
.compare-section {
  padding: 100px 0;
  background: var(--body-bg);
}

.compare-panel {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 36px;
  box-shadow: var(--shadow);
}

.team-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 30px;
}

.team-box {
  text-align: center;
}

.team-box .team-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
}

.team-box .team-tag {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
  display: block;
}

.vs-badge {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #3b8bff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 8px 24px rgba(26, 92, 255, 0.3);
}

.stat-line {
  margin-bottom: 18px;
}

.stat-line .stat-label {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 6px;
}

.stat-line .stat-label span:last-child {
  color: var(--dark);
  font-weight: 700;
}

.progress {
  height: 8px;
  border-radius: 8px;
  background: #edf1f8;
}

.progress-bar {
  border-radius: 8px;
  background: linear-gradient(90deg, var(--primary), #3b8bff);
}

.progress-bar.win {
  background: linear-gradient(90deg, var(--accent), #ff8c2e);
}

/* ===== Data Cards ===== */
.data-section {
  padding: 100px 0;
  background: #fff;
}

.data-card {
  background: var(--body-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  text-align: center;
  transition: var(--transition);
  height: 100%;
}

.data-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  background: #fff;
}

.data-card .data-num {
  font-size: 38px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 6px;
}

.data-card .data-label {
  font-size: 14px;
  color: var(--text-light);
  font-weight: 600;
}

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

/* ===== Timeline ===== */
.timeline-section {
  padding: 100px 0;
  background: var(--body-bg);
}

.timeline {
  position: relative;
  padding-left: 36px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.timeline-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -31px;
  top: 30px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px rgba(26, 92, 255, 0.2);
}

.timeline-item h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.timeline-item .time-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(255, 106, 0, 0.08);
  padding: 2px 10px;
  border-radius: 12px;
  margin-bottom: 8px;
}

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

/* ===== FAQ ===== */
.faq-section {
  padding: 100px 0;
  background: #fff;
}

.faq-item {
  background: var(--body-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(26, 92, 255, 0.25);
}

.faq-question {
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}

.faq-question i {
  color: var(--primary);
  font-size: 14px;
  transition: transform 0.3s ease;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(26, 92, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.faq-item.open .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 26px 22px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ===== CTA ===== */
.cta-section {
  padding: 100px 0;
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
}

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

.cta-inner h2 {
  color: #fff;
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  margin-bottom: 30px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  padding: 80px 0 0;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(26, 92, 255, 0.5), transparent);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand .brand-icon {
  width: 38px;
  height: 38px;
  font-size: 16px;
}

.footer-desc {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  line-height: 1.8;
  max-width: 440px;
  margin-bottom: 0;
}

.site-footer h5 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.site-footer h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

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

.footer-bottom {
  margin-top: 60px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 13px;
  margin: 0;
}

/* ===== Pagination ===== */
.pagination-wrap {
  margin-top: 50px;
}

.pagination {
  gap: 8px;
  justify-content: center;
}

.pagination .page-link {
  border: 1px solid var(--border);
  border-radius: 10px !important;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
  background: #fff;
}

.pagination .page-link:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination .page-item.active .page-link {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root {
    --spacer: 80px;
  }

  .page-hero h1 {
    font-size: 42px;
  }

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

  .hero-stats {
    gap: 26px;
  }

  .search-box {
    min-width: 140px;
  }
}

@media (max-width: 991.98px) {
  .site-header .navbar-collapse {
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    margin-top: 12px;
    border: 1px solid var(--border);
  }

  .site-header .navbar-nav {
    gap: 2px;
    margin-bottom: 16px;
  }

  .site-header .nav-link.active::after {
    display: none;
  }

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

  .search-box {
    min-width: 100%;
  }

  .page-hero {
    padding: 150px 0 80px;
  }

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

  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }

  .section-pad,
  .data-section,
  .compare-section,
  .faq-section,
  .cta-section,
  .timeline-section {
    padding: 70px 0;
  }

  .analysis-wrap {
    padding: 70px 0;
  }

  .site-footer {
    padding-top: 60px;
  }
}

@media (max-width: 520px) {
  .page-hero h1 {
    font-size: 30px;
  }

  .page-hero p.lead {
    font-size: 15px;
  }

  .hero-stats .stat-item h4 {
    font-size: 22px;
  }

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

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

  .match-body {
    padding: 20px;
  }

  .team-compare {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .vs-badge {
    margin: 0 auto;
  }

  .timeline {
    padding-left: 26px;
  }

  .timeline-item {
    padding: 20px;
  }

  .timeline-item::before {
    left: -22px;
  }

  .compare-panel {
    padding: 24px 20px;
  }

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

  .cta-buttons .btn {
    padding: 10px 18px;
    font-size: 14px;
  }

  .hero-stats {
    gap: 16px;
  }

  .hero-stats .stat-item {
    flex: 1 1 40%;
  }
}

/* roulang page: category2 */
:root{
  --primary:#0c7c59;
  --primary-dark:#0a5f45;
  --primary-light:#e8f5ef;
  --accent:#f59e0b;
  --accent-dark:#d97706;
  --dark:#0f172a;
  --dark-soft:#1e293b;
  --body-bg:#f8fafc;
  --white:#ffffff;
  --text:#0f172a;
  --text-soft:#475569;
  --text-muted:#94a3b8;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow-sm:0 1px 3px rgba(15,23,42,.06);
  --shadow:0 8px 30px rgba(15,23,42,.08);
  --shadow-lg:0 20px 60px rgba(15,23,42,.14);
  --transition:.25s ease;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--body-bg);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover,a:focus{color:var(--primary-dark);outline:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.btn{border-radius:50px;font-weight:600;padding:.625rem 1.5rem;font-size:.9375rem;transition:all var(--transition)}
.btn:focus{box-shadow:0 0 0 .25rem rgba(12,124,89,.18)}
.btn-primary{background:var(--primary);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(12,124,89,.25)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:var(--dark)}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,158,11,.35)}
.btn-outline-primary{border:2px solid var(--primary);color:var(--primary)}
.btn-outline-primary:hover{background:var(--primary);color:var(--white);transform:translateY(-2px)}
/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}
.site-header .navbar{padding:.875rem 0;min-height:74px}
.navbar-brand{display:flex;align-items:center;gap:.625rem;font-weight:800;font-size:1.375rem;color:var(--dark);letter-spacing:-.02em}
.navbar-brand:hover{color:var(--primary)}
.brand-icon{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.05rem;flex-shrink:0}
.navbar .nav-link{font-weight:500;color:var(--text-soft);padding:.625rem 1.125rem!important;border-radius:50px;font-size:.9375rem;transition:all var(--transition)}
.navbar .nav-link:hover{color:var(--primary);background:var(--primary-light)}
.navbar .nav-link.active{color:var(--primary);background:var(--primary-light);font-weight:700}
.navbar-toggler{border:none;color:var(--dark);font-size:1.25rem;padding:.375rem .625rem}
.navbar-toggler:focus{box-shadow:0 0 0 .25rem rgba(12,124,89,.15)}
.header-actions{display:flex;align-items:center;gap:.75rem}
.search-box{position:relative}
.search-box i{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:.875rem}
.search-box input{background:var(--white);border:1.5px solid var(--border);border-radius:50px;padding:.55rem 1rem .55rem 44px;font-size:.875rem;width:220px;transition:all var(--transition);color:var(--text)}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 .25rem rgba(12,124,89,.12);width:250px}
.search-box input::placeholder{color:var(--text-muted)}
/* ===== Page Banner ===== */
.page-banner{position:relative;padding:96px 0 72px;background:linear-gradient(135deg,var(--dark) 0%,#0f2a23 55%,var(--primary-dark) 100%);overflow:hidden}
.page-banner::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.25}
.page-banner::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(245,158,11,.14) 0%,transparent 45%)}
.page-banner .container{position:relative;z-index:2}
.breadcrumb{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:.375rem 1rem;border-radius:50px;font-size:.813rem;color:rgba(255,255,255,.7);margin-bottom:1.25rem}
.breadcrumb a{color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:.75rem}
.page-banner h1{font-size:2.875rem;font-weight:800;color:#fff;line-height:1.2;margin-bottom:.875rem;letter-spacing:-.02em}
.page-banner h1 span{color:var(--accent)}
.page-banner p{font-size:1.0625rem;color:rgba(255,255,255,.82);max-width:660px;margin-bottom:0}
.page-banner .banner-badges{margin-top:1.5rem}
/* ===== Section ===== */
.section{padding:84px 0}
.section-sm{padding:56px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-eyebrow{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:.813rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:.375rem 1rem;border-radius:50px;margin-bottom:1rem}
.section-title{font-size:2.25rem;font-weight:800;color:var(--dark);line-height:1.2;letter-spacing:-.02em;margin-bottom:.875rem}
.section-subtitle{font-size:1rem;color:var(--text-soft);line-height:1.75}
/* ===== Category Tabs / Tags ===== */
.cat-tabs{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow-sm)}
.cat-tab-link{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1.125rem;border-radius:50px;font-size:.875rem;font-weight:600;color:var(--text-soft);background:transparent;border:1.5px solid transparent;transition:all var(--transition)}
.cat-tab-link:hover{color:var(--primary);background:var(--primary-light)}
.cat-tab-link.active{color:var(--primary);background:var(--primary-light);border-color:var(--primary)}
.cat-tab-link i{font-size:.813rem}
/* ===== Content Cards ===== */
.content-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;height:100%;transition:transform var(--transition),box-shadow var(--transition);display:flex;flex-direction:column}
.content-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.content-card .card-cover{position:relative;height:220px;overflow:hidden}
.content-card .card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.content-card:hover .card-cover img{transform:scale(1.06)}
.card-tag{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);padding:.25rem .875rem;border-radius:50px;font-size:.75rem;font-weight:700;color:var(--primary);box-shadow:var(--shadow-sm)}
.card-body{padding:1.5rem;flex:1;display:flex;flex-direction:column;gap:.625rem}
.card-meta{display:flex;align-items:center;gap:1rem;font-size:.813rem;color:var(--text-muted)}
.card-meta i{margin-right:.25rem;color:var(--primary)}
.card-body h3{font-size:1.125rem;font-weight:700;line-height:1.45;margin:0}
.card-body h3 a{color:var(--dark)}
.card-body h3 a:hover{color:var(--primary)}
.card-body p{font-size:.906rem;color:var(--text-soft);margin:0;line-height:1.7}
.card-bottom{margin-top:auto;padding-top:.375rem}
.card-link{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:700;color:var(--primary)}
.card-link i{transition:transform var(--transition)}
.card-link:hover i{transform:translateX(4px)}
/* ===== Featured Larger Card ===== */
.featured-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition)}
.featured-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.featured-card .featured-img{position:relative;min-height:100%}
.featured-card .featured-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.featured-card .featured-body{padding:2.5rem;display:flex;flex-direction:column;justify-content:center}
.featured-card .featured-body .tag{display:inline-flex;align-items:center;gap:.375rem;background:var(--accent);color:var(--dark);font-size:.75rem;font-weight:700;padding:.25rem .875rem;border-radius:50px;width:max-content;margin-bottom:1rem}
.featured-card h3{font-size:1.625rem;font-weight:800;line-height:1.3;margin-bottom:.75rem}
.featured-card h3 a{color:var(--dark)}
.featured-card h3 a:hover{color:var(--primary)}
.featured-card p{color:var(--text-soft);margin-bottom:1.25rem}
.feature-points{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem}
.feature-points span{display:inline-flex;align-items:center;gap:.375rem;background:var(--primary-light);color:var(--primary-dark);font-size:.813rem;font-weight:600;padding:.375rem .875rem;border-radius:50px}
/* ===== Training Plan / Steps ===== */
.plan-section{background:var(--white)}
.plan-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;position:relative;transition:all var(--transition);height:100%}
.plan-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--primary)}
.plan-step{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:800;margin:0 auto 1rem;box-shadow:0 6px 18px rgba(12,124,89,.25)}
.plan-card h4{font-size:1.0625rem;font-weight:700;margin-bottom:.5rem}
.plan-card p{font-size:.875rem;color:var(--text-soft);margin:0;line-height:1.7}
.plan-arrow{position:absolute;top:50%;right:-28px;transform:translateY(-50%);color:var(--primary);font-size:1.25rem;z-index:2}
@media (max-width:991px){.plan-arrow{display:none}}
/* ===== Stats ===== */
.stats-section{background:var(--dark);position:relative;overflow:hidden}
.stats-section::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.15}
.stats-section .container{position:relative;z-index:2}
.stat-item{text-align:center;padding:1.5rem}
.stat-num{font-size:2.75rem;font-weight:800;color:var(--accent);line-height:1.1;letter-spacing:-.02em}
.stat-label{font-size:.9375rem;color:rgba(255,255,255,.75);margin-top:.375rem;font-weight:500}
.stat-divider{border-right:1px solid rgba(255,255,255,.12)}
/* ===== Warning / Mistakes ===== */
.mistake-list{display:flex;flex-direction:column;gap:1rem}
.mistake-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-sm);padding:1.25rem 1.5rem;display:flex;gap:1rem;align-items:flex-start;transition:all var(--transition)}
.mistake-item:hover{box-shadow:var(--shadow);border-color:var(--primary)}
.mistake-icon{flex-shrink:0;width:40px;height:40px;border-radius:12px;background:#fff7ed;color:var(--accent-dark);display:flex;align-items:center;justify-content:center;font-size:1rem}
.mistake-item h5{font-size:.9375rem;font-weight:700;margin-bottom:.25rem}
.mistake-item p{font-size:.875rem;color:var(--text-soft);margin:0}
.tip-box{background:var(--primary-light);border-left:4px solid var(--primary);border-radius:var(--radius-sm);padding:1.5rem;display:flex;gap:1rem;align-items:flex-start}
.tip-box i{color:var(--primary);font-size:1.25rem;margin-top:.25rem}
.tip-box p{margin:0;color:var(--primary-dark);font-size:.9375rem}
/* ===== FAQ ===== */
.faq-section{background:var(--white)}
.accordion-item{border:1px solid var(--border)!important;border-radius:var(--radius-sm)!important;margin-bottom:1rem;overflow:hidden;box-shadow:var(--shadow-sm)}
.accordion-item:first-child{border-top:1px solid var(--border)!important}
.accordion-button{padding:1.25rem 1.5rem;font-weight:600;font-size:1rem;color:var(--dark);background:var(--white)}
.accordion-button:not(.collapsed){color:var(--primary);background:var(--primary-light);box-shadow:none}
.accordion-button:focus{box-shadow:0 0 0 .25rem rgba(12,124,89,.12)}
.accordion-button::after{background-size:1.25rem;color:var(--primary)}
.accordion-body{padding:1.25rem 1.5rem;color:var(--text-soft);font-size:.9375rem;line-height:1.8}
/* ===== CTA ===== */
.cta-section{padding:80px 0;position:relative;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 60%,#16a37b 100%);overflow:hidden}
.cta-section::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.12}
.cta-section .container{position:relative;z-index:2}
.cta-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:3rem;text-align:center;backdrop-filter:blur(10px)}
.cta-card h2{color:#fff;font-size:2rem;font-weight:800;margin-bottom:.75rem}
.cta-card p{color:rgba(255,255,255,.85);max-width:600px;margin:0 auto 1.5rem}
/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:68px 0 0;font-size:.906rem}
.site-footer h5{color:#fff;font-size:.9375rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:1.25rem}
.footer-brand{display:flex;align-items:center;gap:.625rem;font-size:1.375rem;font-weight:800;color:#fff;margin-bottom:1rem}
.footer-desc{line-height:1.85;max-width:340px;margin-bottom:0}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:.625rem}
.footer-links a{color:rgba(255,255,255,.68);display:inline-flex;align-items:center;gap:.5rem;font-size:.906rem;transition:all var(--transition)}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:1.25rem 0;text-align:center}
.footer-bottom p{margin:0;font-size:.813rem;color:rgba(255,255,255,.5)}
@media (max-width:991px){
  .navbar-collapse{padding:1rem 0}
  .navbar-nav{gap:.25rem}
  .navbar .nav-link{padding:.5rem 1rem!important}
  .header-actions{flex-direction:column;align-items:stretch;margin-top:.75rem}
  .search-box input{width:100%}
  .search-box input:focus{width:100%}
  .header-actions .btn{width:100%}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .page-banner{padding:64px 0 48px}
  .page-banner h1{font-size:2rem}
  .section-title{font-size:1.75rem}
  .featured-card .featured-img{min-height:220px}
  .stat-divider{border-right:none;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:1rem;margin-bottom:1rem}
  .cta-card{padding:2rem 1.5rem}
  .cta-card h2{font-size:1.5rem}
}
@media (max-width:520px){
  body{font-size:15px}
  .navbar-brand{font-size:1.125rem}
  .brand-icon{width:34px;height:34px;font-size:.9375rem;border-radius:10px}
  .page-banner h1{font-size:1.625rem}
  .section-title{font-size:1.5rem}
  .content-card .card-cover{height:180px}
  .plan-card{padding:1.5rem 1rem}
  .tip-box{padding:1.25rem;flex-direction:column}
}

/* roulang page: article */
:root {
  --primary: #1A5C3A;
  --primary-dark: #0F4528;
  --primary-light: #3D8A5C;
  --accent: #F2A03D;
  --accent-dark: #D9822B;
  --accent-light: #FFD9A1;
  --dark: #0F2B1D;
  --light: #F5F7F4;
  --white: #FFFFFF;
  --text-main: #26332A;
  --text-muted: #6C7A70;
  --border: #E3E8E2;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 12px rgba(15, 43, 29, 0.06);
  --shadow-md: 0 8px 32px rgba(15, 43, 29, 0.10);
  --shadow-lg: 0 20px 50px rgba(15, 43, 29, 0.14);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--light);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
input, button, textarea { font-family: inherit; }
button { border: none; cursor: pointer; }
.container { max-width: 1200px; padding-left: 1.25rem; padding-right: 1.25rem; }
section { padding: 5rem 0; }
h1, h2, h3, h4, h5, h6 { color: var(--dark); font-weight: 700; line-height: 1.35; }

/* 按钮 */
.btn { border-radius: 50px; font-weight: 600; padding: 10px 24px; transition: var(--transition); border: 2px solid transparent; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(26, 92, 58, 0.25); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15, 69, 40, 0.3); }
.btn-accent { background: linear-gradient(135deg, var(--accent), #F7B35A); color: #fff; border: none; box-shadow: 0 4px 14px rgba(242, 160, 61, 0.35); }
.btn-accent:hover { background: linear-gradient(135deg, var(--accent-dark), var(--accent)); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(217, 130, 43, 0.4); }
.btn-outline { background: transparent; border: 2px solid var(--border); color: var(--text-main); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(26, 92, 58, 0.04); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn:focus { box-shadow: 0 0 0 4px rgba(26, 92, 58, 0.2); outline: none; }

/* 网站头部 */
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(227, 232, 226, 0.7); box-shadow: 0 2px 20px rgba(15, 43, 29, 0.04); }
.site-header .navbar { padding: 14px 0; }
.site-header .navbar-brand { font-size: 1.3rem; font-weight: 700; color: var(--dark); display: flex; align-items: center; gap: 10px; letter-spacing: -0.02em; transition: var(--transition); }
.site-header .navbar-brand:hover { color: var(--primary); }
.brand-icon { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; border-radius: 12px; font-size: 1rem; box-shadow: 0 4px 12px rgba(26, 92, 58, 0.3); }
.site-header .navbar-nav { gap: 4px; }
.site-header .nav-link { font-size: 0.95rem; font-weight: 500; color: var(--text-muted); padding: 8px 16px !important; border-radius: 50px; transition: var(--transition); }
.site-header .nav-link:hover { color: var(--primary); background: rgba(26, 92, 58, 0.06); }
.site-header .nav-link.active { color: var(--primary); background: rgba(26, 92, 58, 0.1); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box { display: flex; align-items: center; gap: 8px; background: #F0F3F0; border: 1px solid var(--border); border-radius: 50px; padding: 7px 18px; width: 190px; transition: var(--transition); }
.search-box:focus-within { border-color: var(--primary-light); background: #fff; box-shadow: 0 0 0 4px rgba(26, 92, 58, 0.12); }
.search-box i { color: var(--text-muted); font-size: 0.8rem; }
.search-box input { border: none; outline: none; background: transparent; width: 100%; font-size: 0.85rem; color: var(--text-main); }
.navbar-toggler { border: none; padding: 6px 10px; color: var(--dark); font-size: 1.2rem; background: rgba(26, 92, 58, 0.08); border-radius: 10px; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(26, 92, 58, 0.15); }

/* 页面横幅 */
.page-banner { position: relative; padding: 4.5rem 0 3.5rem; background: linear-gradient(135deg, rgba(15, 69, 40, 0.92), rgba(26, 92, 58, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; color: #fff; margin-top: 0; }
.page-banner .breadcrumb { margin-bottom: 1.5rem; --bs-breadcrumb-divider: '/'; }
.page-banner .breadcrumb-item a { color: rgba(255, 255, 255, 0.8); font-size: 0.85rem; }
.page-banner .breadcrumb-item a:hover { color: #fff; }
.page-banner .breadcrumb-item.active { color: var(--accent); font-size: 0.85rem; }
.banner-heading .banner-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(255, 255, 255, 0.15); backdrop-filter: blur(8px); border: 1px solid rgba(255, 255, 255, 0.2); color: #fff; font-size: 0.82rem; font-weight: 600; padding: 6px 16px; border-radius: 50px; margin-bottom: 1rem; }
.banner-heading h1 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 800; max-width: 800px; line-height: 1.4; margin-bottom: 0.5rem; }

/* 文章主区域 */
.article-section { padding: 3rem 0 4rem; }
.article-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: clamp(1.5rem, 3vw, 3rem); border: 1px solid rgba(227, 232, 226, 0.6); }
.article-card h1 { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 800; margin-bottom: 1rem; line-height: 1.4; }
.article-meta { display: flex; flex-wrap: wrap; gap: 16px; padding-bottom: 1.5rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.meta-item { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text-muted); background: #F4F6F4; padding: 5px 14px; border-radius: 50px; }
.meta-item i { color: var(--primary); }
.article-content { font-size: 1.05rem; line-height: 1.9; }
.article-content h2 { font-size: 1.4rem; font-weight: 700; margin: 2rem 0 1rem; padding-bottom: 0.75rem; border-bottom: 2px solid var(--border); color: var(--dark); }
.article-content h3 { font-size: 1.2rem; font-weight: 600; margin: 1.5rem 0 0.75rem; color: var(--dark); }
.article-content p { margin-bottom: 1.25rem; }
.article-content ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1.25rem; }
.article-content ol { list-style: decimal; padding-left: 1.5rem; margin-bottom: 1.25rem; }
.article-content li { margin-bottom: 0.4rem; }
.article-content img { border-radius: var(--radius-md); margin: 1.5rem auto; box-shadow: var(--shadow-sm); }
.article-content blockquote { border-left: 4px solid var(--accent); padding: 1rem 1.25rem; margin: 1.5rem 0; background: rgba(242, 160, 61, 0.08); border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.article-content blockquote p { margin: 0; color: var(--text-muted); }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.95rem; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content th { background: #F0F4F0; font-weight: 600; }
.article-content code { background: #F0F2F0; border-radius: 6px; padding: 2px 8px; font-size: 0.9em; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; padding-top: 1.75rem; margin-top: 1.75rem; border-top: 1px solid var(--border); }
.post-tag { background: rgba(26, 92, 58, 0.08); color: var(--primary); font-size: 0.82rem; font-weight: 500; padding: 5px 14px; border-radius: 50px; transition: var(--transition); }
.post-tag:hover { background: var(--primary); color: #fff; }

/* 未找到 */
.not-found-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 4rem 2rem; text-align: center; border: 1px solid rgba(227, 232, 226, 0.6); }
.not-found-card .not-found-icon { width: 72px; height: 72px; display: inline-flex; align-items: center; justify-content: center; background: rgba(242, 160, 61, 0.15); color: var(--accent); font-size: 2rem; border-radius: 50%; margin-bottom: 1.5rem; }
.not-found-card h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 0.75rem; }
.not-found-card p { color: var(--text-muted); max-width: 420px; margin: 0 auto 2rem; }

/* 侧边栏 */
.sidebar-widget { background: var(--white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); border: 1px solid rgba(227, 232, 226, 0.7); padding: 1.75rem; margin-bottom: 1.5rem; }
.sidebar-widget .widget-title { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 1.25rem; padding-bottom: 0.85rem; border-bottom: 2px solid var(--border); display: flex; align-items: center; gap: 8px; }
.sidebar-widget .widget-title i { color: var(--primary); }
.widget-cats li { margin-bottom: 8px; }
.widget-cats a { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; background: #F7F9F7; border-radius: var(--radius-sm); color: var(--text-main); font-size: 0.9rem; font-weight: 500; transition: var(--transition); }
.widget-cats a:hover { background: rgba(26, 92, 58, 0.08); color: var(--primary); transform: translateX(4px); }
.widget-cats a .cat-icon { color: var(--primary); margin-right: 8px; }
.widget-cats a .cat-count { color: var(--text-muted); font-size: 0.8rem; }
.widget-links li { margin-bottom: 10px; }
.widget-links a { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--text-main); padding: 8px 0; border-bottom: 1px dashed var(--border); transition: var(--transition); }
.widget-links a:hover { color: var(--primary); padding-left: 4px; }
.widget-links a i { color: var(--accent); font-size: 0.75rem; }
.widget-tip { background: linear-gradient(135deg, rgba(26, 92, 58, 0.06), rgba(242, 160, 61, 0.08)); border-radius: var(--radius-sm); padding: 1.25rem; margin-top: 1rem; }
.widget-tip h6 { font-size: 0.9rem; font-weight: 700; color: var(--dark); margin-bottom: 0.5rem; }
.widget-tip p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }
.widget-cta { background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: var(--radius-md); padding: 1.75rem; text-align: center; }
.widget-cta h5 { color: #fff; margin-bottom: 0.5rem; font-size: 1.05rem; }
.widget-cta p { color: rgba(255, 255, 255, 0.85); font-size: 0.85rem; margin-bottom: 1rem; }
.widget-cta .btn { background: #fff; color: var(--primary); border: none; font-size: 0.85rem; padding: 8px 20px; border-radius: 50px; font-weight: 600; transition: var(--transition); }
.widget-cta .btn:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.widget-cta .btn i { margin-right: 6px; }

/* 相关文章 */
.related-section { background: linear-gradient(to bottom, var(--light), #EDF2EC); padding: 4.5rem 0; }
.section-head { text-align: center; margin-bottom: 3rem; }
.section-head .section-tag { display: inline-block; background: rgba(26, 92, 58, 0.08); color: var(--primary); font-size: 0.8rem; font-weight: 600; padding: 5px 14px; border-radius: 50px; margin-bottom: 12px; letter-spacing: 0.05em; }
.section-head h2 { font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 800; margin-bottom: 0.5rem; }
.section-head p { color: var(--text-muted); max-width: 600px; margin: 0 auto; font-size: 0.95rem; }
.related-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); height: 100%; transition: var(--transition); border: 1px solid rgba(227, 232, 226, 0.5); }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-card .card-img-wrap { position: relative; overflow: hidden; height: 200px; }
.related-card .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.related-card:hover .card-img-wrap img { transform: scale(1.06); }
.related-card .card-img-wrap::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15, 43, 29, 0.4), transparent); }
.related-card .card-img-wrap .card-badge { position: absolute; top: 14px; left: 14px; z-index: 2; background: rgba(255, 255, 255, 0.92); color: var(--primary); font-size: 0.75rem; font-weight: 700; padding: 4px 12px; border-radius: 50px; backdrop-filter: blur(6px); }
.related-card .card-body { padding: 1.5rem; }
.related-card .card-body h5 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; line-height: 1.5; }
.related-card .card-body p { font-size: 0.86rem; color: var(--text-muted); margin-bottom: 1rem; line-height: 1.65; }
.related-card .card-link { font-size: 0.85rem; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.related-card .card-link i { transition: transform var(--transition); font-size: 0.7rem; }
.related-card .card-link:hover i { transform: translateX(4px); }

/* FAQ */
.faq-section { background: var(--white); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 1rem; overflow: hidden; background: var(--light); transition: var(--transition); }
.faq-item:hover { border-color: rgba(26, 92, 58, 0.3); box-shadow: var(--shadow-sm); }
.faq-item .faq-question { font-size: 1rem; font-weight: 600; color: var(--dark); padding: 1.25rem 1.5rem; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0; }
.faq-item .faq-question .faq-icon { width: 32px; height: 32px; flex-shrink: 0; border-radius: 50%; background: rgba(26, 92, 58, 0.08); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-size: 0.8rem; transition: var(--transition); }
.faq-item .faq-answer { padding: 0 1.5rem; max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; background: transparent; }
.faq-item.open .faq-answer { max-height: 500px; padding: 0 1.5rem 1.25rem; }
.faq-item.open .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.6rem; line-height: 1.75; }
.faq-answer p:last-child { margin-bottom: 0; }

/* CTA */
.cta-section { padding: 0 0 5rem; }
.cta-box { background: linear-gradient(135deg, #0F4528, #1A7050), url('/assets/images/backpic/back-2.png') center/cover; border-radius: var(--radius-lg); padding: clamp(2rem, 5vw, 4rem); text-align: center; color: #fff; position: relative; overflow: hidden; box-shadow: var(--shadow-lg); }
.cta-box::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15, 69, 40, 0.92), rgba(26, 92, 58, 0.85)); }
.cta-box > * { position: relative; z-index: 2; }
.cta-box h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 0.75rem; }
.cta-box p { max-width: 600px; margin: 0 auto 1.5rem; opacity: 0.9; font-size: 0.95rem; }
.cta-box .btn-accent { background: #fff; color: var(--primary); border: none; font-size: 0.95rem; padding: 12px 28px; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15); }
.cta-box .btn-accent:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }
.cta-box .btn-outline { border-color: rgba(255, 255, 255, 0.35); color: #fff; background: transparent; }
.cta-box .btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); color: #fff; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-note { font-size: 0.8rem; opacity: 0.7; margin-top: 1.25rem; }

/* 页脚 */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, 0.7); padding: 4rem 0 1.5rem; }
.site-footer .footer-brand { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 1rem; }
.site-footer .brand-icon { background: linear-gradient(135deg, var(--accent), #F7B35A); color: var(--dark); box-shadow: 0 4px 14px rgba(242, 160, 61, 0.3); }
.footer-desc { font-size: 0.9rem; line-height: 1.8; opacity: 0.72; max-width: 360px; margin-bottom: 0; }
.site-footer h5 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 1.25rem; position: relative; padding-bottom: 0.6rem; }
.site-footer h5::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 3px; background: var(--accent); border-radius: 4px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, 0.6); font-size: 0.88rem; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-links a i { width: 20px; display: inline-block; color: var(--accent); opacity: 0.7; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 1.5rem; margin-top: 3rem; text-align: center; }
.footer-bottom p { font-size: 0.8rem; opacity: 0.55; margin: 0; }

/* 响应式 */
@media (max-width: 991.98px) {
  .site-header .navbar-collapse { background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-md); padding: 1.25rem; margin-top: 1rem; }
  .site-header .navbar-nav { gap: 2px; margin-bottom: 1rem; }
  .site-header .nav-link { padding: 10px 16px !important; }
  .header-actions { flex-direction: column; align-items: stretch; }
  .search-box { width: 100%; }
  .search-box input { width: 100%; }
  .header-actions .btn { text-align: center; }
  .page-banner { padding: 3rem 0 2.5rem; }
  .sidebar-widget { margin-top: 0; }
  .related-card .card-img-wrap { height: 180px; }
}
@media (max-width: 767.98px) {
  section { padding: 3.5rem 0; }
  .article-card { padding: 1.25rem; }
  .article-content { font-size: 1rem; line-height: 1.85; }
  .related-card .card-img-wrap { height: 170px; }
  .related-section { padding: 3.5rem 0; }
  .cta-section { padding-bottom: 3.5rem; }
  .faq-item .faq-question { padding: 1rem 1.25rem; font-size: 0.95rem; }
  .faq-item .faq-answer { padding: 0 1.25rem; }
  .faq-item.open .faq-answer { padding: 0 1.25rem 1rem; }
}
@media (max-width: 575.98px) {
  .page-banner { padding: 2.5rem 0 2rem; }
  .banner-heading h1 { font-size: 1.25rem; }
  .article-meta { gap: 10px; }
  .meta-item { font-size: 0.78rem; padding: 4px 12px; }
  .article-tags { gap: 8px; }
  .post-tag { font-size: 0.78rem; padding: 4px 12px; }
  .not-found-card { padding: 2.5rem 1.25rem; }
  .site-footer { padding: 3rem 0 1rem; }
  .cta-box { padding: 2rem 1.25rem; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: category3 */
:root {
  --primary: #1e2b3a;
  --primary-light: #2c4056;
  --accent: #ff6b35;
  --accent-dark: #e55320;
  --success: #28c76f;
  --bg: #f5f7fb;
  --card-bg: #ffffff;
  --text: #22262f;
  --text-light: #6d7588;
  --border: #e8ecf3;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(30, 43, 58, 0.08);
  --shadow-hover: 0 14px 40px rgba(30, 43, 58, 0.14);
  --transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: var(--accent);
  transition: var(--transition);
}
a:hover {
  color: var(--accent-dark);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========== Header & Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(30, 43, 58, 0.06);
}
.site-header .navbar {
  padding: 14px 0;
  flex-wrap: nowrap;
}
.navbar-brand {
  display: flex;
  align-items: center;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  gap: 10px;
  flex-shrink: 0;
}
.navbar-brand:hover {
  color: var(--primary);
}
.brand-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), #ff9a5c);
  border-radius: 12px;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
}
.navbar-nav {
  gap: 4px;
  align-items: center;
}
.navbar-nav .nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: #556079;
  padding: 8px 16px;
  border-radius: 20px;
  transition: var(--transition);
  white-space: nowrap;
}
.navbar-nav .nav-link:hover {
  color: var(--primary);
  background: rgba(30, 43, 58, 0.05);
}
.navbar-nav .nav-link.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 12px rgba(30, 43, 58, 0.2);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  display: flex;
  align-items: center;
  background: #f1f4f9;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 7px 16px;
  gap: 8px;
  transition: var(--transition);
  width: 200px;
}
.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.12);
  background: #fff;
}
.search-box i {
  color: var(--text-light);
  font-size: 14px;
}
.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.9rem;
  width: 100%;
  color: var(--text);
}
.navbar-toggler {
  border: none;
  background: transparent;
  color: var(--primary);
  font-size: 1.4rem;
  padding: 4px 8px;
}
.navbar-toggler:focus {
  box-shadow: none;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  transition: var(--transition);
  line-height: 1.5;
}
.btn:focus {
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.2);
  outline: none;
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), #ff8e50);
  color: #fff;
  box-shadow: 0 6px 18px rgba(255, 107, 53, 0.3);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(255, 107, 53, 0.38);
  color: #fff;
}
.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  background: transparent;
}
.btn-outline-light:hover {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-ghost {
  background: rgba(30, 43, 58, 0.06);
  color: var(--primary);
}
.btn-ghost:hover {
  background: rgba(30, 43, 58, 0.1);
  transform: translateY(-2px);
}
.btn-lg {
  padding: 14px 32px;
  font-size: 1.05rem;
}
.btn-sm {
  padding: 8px 20px;
  font-size: 0.88rem;
}

/* ========== Page Banner ========== */
.page-banner {
  position: relative;
  padding: 110px 0 90px;
  background: linear-gradient(135deg, rgba(30, 43, 58, 0.92), rgba(44, 64, 86, 0.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.3), transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}
.page-banner .banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.page-banner h1 {
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
  line-height: 1.2;
}
.page-banner p {
  max-width: 640px;
  margin: 0 auto 36px;
  font-size: 1.1rem;
  opacity: 0.92;
  line-height: 1.8;
}
.page-banner .banner-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.banner-features {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 50px;
  flex-wrap: wrap;
}
.banner-features span {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
}
.banner-features i {
  color: #ffb088;
  font-size: 1.2rem;
}

/* ========== Section base ========== */
.section {
  padding: 90px 0;
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}
.section-head .section-kicker {
  display: inline-block;
  background: rgba(255, 107, 53, 0.1);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 30px;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.section-head h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--primary);
}
.section-head p {
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ========== Category Overview ========== */
.category-overview {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 70px 0;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cat-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.cat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #ff9a5c);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.cat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.cat-item:hover::after {
  transform: scaleX(1);
}
.cat-item .cat-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #fff, #f0f3f8);
  box-shadow: 0 4px 12px rgba(30, 43, 58, 0.06);
  color: var(--accent);
}
.cat-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary);
}
.cat-item p {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 14px;
}
.cat-item .cat-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cat-item .cat-link i {
  transition: transform 0.3s;
}
.cat-item:hover .cat-link i {
  transform: translateX(4px);
}

/* ========== Guide Cards ========== */
.guide-section {
  background: var(--bg);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.guide-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.guide-card .card-media {
  position: relative;
  height: 210px;
  overflow: hidden;
}
.guide-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.guide-card:hover .card-media img {
  transform: scale(1.06);
}
.guide-card .card-media .card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255, 107, 53, 0.95);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  z-index: 2;
  backdrop-filter: blur(4px);
}
.guide-card .card-body {
  padding: 26px 26px 14px;
  flex: 1;
}
.guide-card .card-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary);
  line-height: 1.4;
}
.guide-card .card-body p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}
.guide-card .card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-light);
  font-size: 0.82rem;
  padding: 14px 26px 20px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.guide-card .card-meta i {
  margin-right: 4px;
  color: var(--accent);
}
.guide-card .card-meta .meta-item {
  display: flex;
  align-items: center;
}

/* ========== Steps Section ========== */
.steps-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.steps-section::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(40, 199, 111, 0.15), transparent 60%);
  border-radius: 50%;
}
.steps-section .section-head h2,
.steps-section .section-head p {
  color: #fff;
}
.steps-section .section-head .section-kicker {
  background: rgba(255, 255, 255, 0.15);
  color: #ffd0b8;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
  z-index: 2;
}
.step-item {
  text-align: center;
  padding: 36px 24px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  transition: var(--transition);
  position: relative;
}
.step-item:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #ff9a5c);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 auto 18px;
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
}
.step-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-item p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

/* ========== Stats ========== */
.stats-section {
  background: #fff;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.stat-item {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.stat-item .stat-num {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.stat-item .stat-label {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-top: 8px;
  font-weight: 500;
}
.stat-item .stat-icon {
  font-size: 26px;
  margin-bottom: 14px;
  color: var(--primary);
  opacity: 0.6;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg);
}
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  transition: var(--transition);
  overflow: hidden;
}
.faq-item:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}
.faq-item .faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  background: #fff;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  gap: 16px;
}
.faq-item .faq-question i {
  color: var(--accent);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item.is-open .faq-question i {
  transform: rotate(180deg);
}
.faq-item .faq-answer {
  padding: 0 28px 24px;
  color: var(--text-light);
  font-size: 0.93rem;
  line-height: 1.8;
  display: none;
}
.faq-item.is-open .faq-answer {
  display: block;
  animation: fadeIn 0.35s ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== CTA ========== */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(30, 43, 58, 0.9), rgba(44, 64, 86, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
  position: relative;
}
.cta-section .cta-content {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.cta-section h2 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.cta-section p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 36px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 80px 0 0;
}
.site-footer .footer-brand {
  display: flex;
  align-items: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  gap: 10px;
  margin-bottom: 18px;
}
.site-footer .brand-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), #ff9a5c);
  border-radius: 12px;
  color: #fff;
  font-size: 18px;
}
.footer-desc {
  font-size: 0.93rem;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 340px;
}
.site-footer h5 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}
.footer-links a:hover {
  color: #ffb088;
  transform: translateX(3px);
}
.site-footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 60px;
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}
.site-footer .footer-bottom p {
  margin: 0;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-banner h1 {
    font-size: 2.6rem;
  }
  .navbar-nav .nav-link {
    padding: 8px 12px;
    font-size: 0.9rem;
  }
  .search-box {
    width: 170px;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }
  .page-banner {
    padding: 80px 0 60px;
  }
  .page-banner h1 {
    font-size: 2.1rem;
  }
  .header-actions {
    width: 100%;
    margin-top: 16px;
  }
  .search-box {
    flex: 1;
    width: 100%;
  }
  .navbar-collapse {
    padding: 20px 0;
    border-top: 1px solid var(--border);
    margin-top: 14px;
  }
  .navbar-nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .navbar-nav .nav-link {
    width: 100%;
    border-radius: 12px;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .banner-features {
    flex-direction: column;
    gap: 14px;
  }
  .site-footer .row > [class*="col-"] {
    margin-bottom: 30px;
  }
  .cta-section h2 {
    font-size: 1.8rem;
  }
}
@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .page-banner h1 {
    font-size: 1.7rem;
  }
  .page-banner p {
    font-size: 1rem;
  }
  .section-head h2 {
    font-size: 1.7rem;
  }
  .btn-lg {
    padding: 12px 24px;
    font-size: 0.95rem;
  }
  .faq-item .faq-question {
    padding: 18px 20px;
    font-size: 0.95rem;
  }
  .faq-item .faq-answer {
    padding: 0 20px 20px;
  }
  .header-actions .btn-accent {
    padding: 8px 16px;
    font-size: 0.82rem;
  }
  .brand-icon {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }
  .navbar-brand {
    font-size: 1.15rem;
  }
}