/* roulang page: index */
:root {
  --primary: #0c4a5a;
  --primary-dark: #082f3a;
  --primary-light: #d9eef0;
  --accent: #0ea88f;
  --accent-light: #e4f7f2;
  --bg: #f4f8f9;
  --card-bg: #ffffff;
  --text: #122b30;
  --text-light: #5a7278;
  --border: #dce9eb;
  --shadow: 0 6px 30px rgba(8, 47, 58, 0.08);
  --shadow-hover: 0 14px 44px rgba(8, 47, 58, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --header-height: 76px;
  --section-space: 96px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-space) 0; }
.section + .section { padding-top: 24px; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.section-title { font-size: 36px; font-weight: 700; line-height: 1.3; color: var(--text); letter-spacing: -0.5px; }
.section-desc { margin-top: 14px; color: var(--text-light); font-size: 16px; line-height: 1.8; }
.section-title em { font-style: normal; color: var(--accent); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(220, 233, 235, 0.7);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo i {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.logo span { color: var(--accent); }
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-item {
  position: relative;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  border-radius: 100px;
  transition: var(--transition);
}
.nav-link i { font-size: 14px; opacity: 0.8; }
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-item.active .nav-link {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.nav-item.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.header-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(8, 47, 58, 0.25);
}
.menu-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--text); cursor: pointer; padding: 8px; }
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 47, 58, 0.88) 0%, rgba(8, 47, 58, 0.68) 45%, rgba(14, 168, 143, 0.35) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 100px 0 80px;
}
.hero-content { max-width: 640px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 18px;
  border-radius: 100px;
  backdrop-filter: blur(6px);
  margin-bottom: 24px;
}
.hero-badge i { color: var(--accent); }
.hero-title {
  font-size: 50px;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero-title .highlight { color: #5ee6cd; }
.hero-subtitle {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.85);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 30px rgba(14, 168, 143, 0.35);
}
.btn-primary:hover {
  background: #0c8f7a;
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(14, 168, 143, 0.45);
  color: #fff;
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.7);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-3px);
  color: #fff;
}
.btn-lg { padding: 16px 38px; font-size: 16px; }
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.metric-card {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  padding: 22px 24px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.metric-card:hover { background: rgba(255, 255, 255, 0.18); transform: translateY(-4px); }
.metric-number {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 4px;
}
.metric-number small { font-size: 16px; font-weight: 600; color: #5ee6cd; margin-left: 2px; }
.metric-label { font-size: 13px; color: rgba(255, 255, 255, 0.8); }
.about-section { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.about-media img { width: 100%; height: 400px; object-fit: cover; }
.about-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 74, 90, 0.1), rgba(12, 74, 90, 0.3));
}
.about-exp {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  z-index: 2;
}
.about-exp i {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.about-exp p { font-size: 14px; color: var(--text-light); line-height: 1.5; }
.about-exp b { color: var(--text); font-size: 16px; }
.about-text .section-tag { margin-bottom: 14px; }
.about-text .section-title { margin-bottom: 20px; }
.about-text p { color: var(--text-light); font-size: 16px; line-height: 1.9; margin-bottom: 16px; }
.feature-list { margin-top: 32px; display: grid; gap: 16px; }
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: var(--transition);
}
.feature-item:hover { box-shadow: var(--shadow); border-color: var(--accent); transform: translateX(4px); }
.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.feature-text { flex: 1; }
.feature-text h4 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.feature-text p { font-size: 14px; color: var(--text-light); margin-bottom: 0; }
.stats-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(14, 168, 143, 0.15);
  filter: blur(60px);
}
.stats-section::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: 20%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  filter: blur(40px);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}
.stat-card {
  text-align: center;
  padding: 32px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  transition: var(--transition);
}
.stat-card:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-6px); }
.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(14, 168, 143, 0.25);
  color: #5ee6cd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 18px;
}
.stat-number {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-number small { font-size: 18px; color: #5ee6cd; font-weight: 600; }
.stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.75); }
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.category-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-8px);
  border-color: transparent;
}
.category-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  opacity: 0;
  transition: var(--transition);
}
.category-card:hover::before { opacity: 1; }
.category-media {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 22px;
  height: 160px;
}
.category-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.category-card:hover .category-media img { transform: scale(1.06); }
.category-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.category-card:nth-child(2) .category-icon { background: var(--accent-light); color: var(--accent); }
.category-card:nth-child(3) .category-icon { background: #fff4e5; color: #e59b3b; }
.category-title { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.category-desc { font-size: 15px; color: var(--text-light); line-height: 1.7; margin-bottom: 20px; flex: 1; }
.category-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-light);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
  transition: var(--transition);
}
.tag:hover { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }
.category-link-out {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.category-link-out i { transition: transform 0.3s ease; }
.category-link-out:hover i { transform: translateX(4px); }
.news-section { background: var(--card-bg); border-top: 1px solid var(--border); }
.news-list { display: flex; flex-direction: column; gap: 18px; }
.news-item {
  display: flex;
  gap: 20px;
  padding: 22px 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  align-items: center;
}
.news-item:hover {
  background: var(--card-bg);
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.news-meta-list { display: flex; gap: 8px; flex-wrap: wrap; min-width: 120px; flex-shrink: 0; }
.news-category {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 100px;
}
.news-category.news-cat-info { background: var(--accent-light); color: var(--accent); }
.news-category.news-cat-guide { background: var(--primary-light); color: var(--primary); }
.news-category.news-cat-service { background: #fff4e5; color: #e59b3b; }
.news-body { flex: 1; }
.news-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.5;
  transition: var(--transition);
  display: block;
}
.news-title:hover { color: var(--accent); }
.news-summary { font-size: 14px; color: var(--text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-light);
  white-space: nowrap;
  flex-shrink: 0;
}
.news-empty {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  color: var(--text-light);
  font-size: 16px;
}
.news-empty::before { content: "\f15c"; font-family: "Font Awesome 6 Free"; font-weight: 400; display: block; font-size: 36px; margin-bottom: 12px; color: var(--border); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.process-grid::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary), var(--accent));
  opacity: 0.3;
  z-index: 1;
}
.process-step {
  position: relative;
  text-align: center;
  padding: 24px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  z-index: 2;
}
.process-step:hover { box-shadow: var(--shadow); transform: translateY(-6px); }
.step-circle {
  width: 76px;
  height: 76px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(14, 168, 143, 0.3);
}
.step-title { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.step-desc { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.faq-section { background: var(--card-bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.faq-layout { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; align-items: start; }
.faq-guide { position: sticky; top: 100px; }
.faq-guide .section-tag { margin-bottom: 14px; }
.faq-guide .section-title { margin-bottom: 18px; }
.faq-guide p { color: var(--text-light); margin-bottom: 24px; }
.faq-contact-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.faq-contact-card h5 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.faq-contact-card p { font-size: 14px; color: var(--text-light); margin-bottom: 0; }
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}
.faq-question i {
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-question i { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}
.cta-section { padding: 24px 0 96px; }
.cta-card {
  position: relative;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 56px 60px;
  overflow: hidden;
  text-align: center;
}
.cta-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(14, 168, 143, 0.3);
  filter: blur(50px);
}
.cta-card::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  filter: blur(30px);
}
.cta-title { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 14px; position: relative; z-index: 2; }
.cta-desc { font-size: 16px; color: rgba(255, 255, 255, 0.8); max-width: 560px; margin: 0 auto 30px; position: relative; z-index: 2; }
.cta-buttons { position: relative; z-index: 2; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo i { background: rgba(14, 168, 143, 0.2); }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 280px; }
.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links-list li { margin-bottom: 12px; }
.footer-links-list a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}
.footer-links-list a:hover { color: #5ee6cd; padding-left: 6px; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
}
.footer-contact li i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.5); font-size: 13px; }
.footer-bottom a:hover { color: #5ee6cd; }
@media (max-width: 1024px) {
  :root { --section-space: 72px; }
  .hero-title { font-size: 40px; }
  .about-grid { gap: 40px; }
  .categories-grid { gap: 20px; }
  .category-card { padding: 22px; }
  .process-grid { gap: 16px; }
  .faq-layout { grid-template-columns: 1fr; gap: 36px; }
  .faq-guide { position: static; }
}
@media (max-width: 768px) {
  .header-inner { height: 64px; }
  .menu-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); box-shadow: 0 20px 40px rgba(0,0,0,0.1); padding: 16px 24px; }
  .main-nav.open { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-link { padding: 12px 16px; border-radius: 10px; }
  .header-cta { display: none; }
  .hero { min-height: 560px; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 15px; }
  .hero-metrics { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .metric-card { padding: 16px 18px; }
  .metric-number { font-size: 24px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-media img { height: 300px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-number { font-size: 30px; }
  .categories-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 12px; }
  .news-time { align-self: flex-end; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid::before { display: none; }
  .cta-card { padding: 40px 24px; }
  .cta-title { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .section-title { font-size: 28px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  :root { --section-space: 60px; }
  .section-title { font-size: 24px; }
  .hero { min-height: 520px; }
  .hero-title { font-size: 27px; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .hero-metrics { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 22px 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .process-grid { grid-template-columns: 1fr; }
  .faq-question { font-size: 15px; padding: 16px; }
  .cta-card { padding: 32px 20px; }
  .cta-buttons { flex-direction: column; }
}

/* roulang page: category1 */
/* ============================================
   杏运平台官网 · 平台指南分类页样式系统
   ============================================ */
:root {
  --primary: #0b3a5e;
  --primary-dark: #072a45;
  --primary-light: #14507e;
  --accent: #12a5a0;
  --accent-light: #e0f5f4;
  --accent-gold: #d4a946;
  --bg: #f6f8fb;
  --bg-white: #ffffff;
  --bg-deep: #082538;
  --text-main: #1e2a36;
  --text-body: #415261;
  --text-weak: #7c8b9a;
  --border: #e3e9ef;
  --border-dark: #c9d4de;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 10px rgba(11, 58, 94, 0.06);
  --shadow-md: 0 6px 24px rgba(11, 58, 94, 0.08);
  --shadow-lg: 0 16px 44px rgba(11, 58, 94, 0.12);
  --shadow-accent: 0 8px 24px rgba(18, 165, 160, 0.22);
  --transition: all 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --space-section: 96px;
  --space-section-sm: 64px;
  --container-w: 1200px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
ul, ol {
  list-style: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
section {
  position: relative;
}

/* 焦点可访问性 */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(18, 165, 160, 0.5);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ===== 头部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(8, 37, 56, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(8, 37, 56, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 28px;
}
.logo-block {
  flex-shrink: 0;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
}
.logo i {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent) 0%, #0e7c7b 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(18, 165, 160, 0.4);
}
.logo:hover {
  opacity: 0.88;
}
.main-nav {
  display: flex;
  align-items: center;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-item {
  position: relative;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  transition: var(--transition);
}
.nav-link i {
  font-size: 13px;
  opacity: 0.75;
}
.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}
.nav-item.active .nav-link {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), #0e7c7b);
  box-shadow: 0 4px 14px rgba(18, 165, 160, 0.35);
  font-weight: 600;
}
.nav-item.active .nav-link i {
  opacity: 1;
}
.nav-header-cta {
  margin-left: 14px;
}
.btn-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 24px;
  border-radius: var(--radius-pill);
  background: var(--accent-gold);
  color: #082538;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 4px 16px rgba(212, 169, 70, 0.3);
  transition: var(--transition);
}
.btn-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 169, 70, 0.4);
  color: #082538;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: var(--transition);
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ===== 页面横幅 ===== */
.category-banner {
  background: linear-gradient(135deg, #082538 0%, #0b3a5e 55%, #14507e 100%);
  padding: 90px 0 76px;
  color: #ffffff;
  overflow: hidden;
}
.category-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.16;
  pointer-events: none;
}
.category-banner::after {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(18, 165, 160, 0.28) 0%, transparent 68%);
  pointer-events: none;
}
.banner-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: var(--accent-gold);
}
.breadcrumb i {
  font-size: 10px;
  opacity: 0.5;
}
.breadcrumb .current {
  color: var(--accent-gold);
  font-weight: 500;
}
.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-pill);
  padding: 7px 18px;
  font-size: 13px;
  color: #fff;
  margin-bottom: 22px;
  backdrop-filter: blur(8px);
}
.banner-badge i {
  color: var(--accent-gold);
}
.category-banner h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 1px;
  color: #ffffff;
  margin-bottom: 18px;
}
.category-banner h1 span {
  background: linear-gradient(120deg, #12a5a0, #4cd6d0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.banner-desc {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin-bottom: 32px;
}
.banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.banner-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.banner-meta-item i {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(18, 165, 160, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: #4cd6d0;
}
.banner-meta-item strong {
  display: block;
  font-size: 17px;
  color: #ffffff;
  font-weight: 700;
}
.banner-meta-item span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
}
.banner-visual {
  position: relative;
  z-index: 2;
}
.banner-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}
.banner-card h3 {
  font-size: 18px;
  color: #ffffff;
  margin-bottom: 20px;
  font-weight: 600;
}
.mini-steps {
  position: relative;
}
.mini-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 0;
  position: relative;
}
.mini-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 17px;
  top: 44px;
  bottom: -2px;
  width: 1px;
  background: rgba(255, 255, 255, 0.15);
}
.mini-step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #0b7a76);
  box-shadow: 0 4px 14px rgba(18, 165, 160, 0.35);
  z-index: 1;
}
.mini-step p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  padding-top: 5px;
  line-height: 1.6;
}

/* ===== 通用板块标题 ===== */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.section-tag i {
  font-size: 12px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}
.section-head h2 em {
  font-style: normal;
  color: var(--accent);
}
.section-head p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-weak);
}

/* ===== 分类内容卡片 ===== */
.guide-content-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.guide-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.guide-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(18, 165, 160, 0.35);
}
.guide-card-img {
  position: relative;
  height: 190px;
  overflow: hidden;
}
.guide-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.guide-card:hover .guide-card-img img {
  transform: scale(1.06);
}
.guide-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 37, 56, 0.35) 0%, transparent 60%);
}
.guide-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(8, 37, 56, 0.72);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 12px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
}
.guide-card-body {
  padding: 26px 26px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.guide-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.4;
  transition: var(--transition);
}
.guide-card:hover .guide-card-body h3 {
  color: var(--accent);
}
.guide-card-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 18px;
  flex: 1;
}
.guide-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  transition: var(--transition);
}
.guide-card-link i {
  font-size: 12px;
  transition: var(--transition);
}
.guide-card-link:hover {
  color: var(--primary);
}
.guide-card-link:hover i {
  transform: translateX(5px);
}

/* ===== 流程区域 ===== */
.flow-section {
  padding: var(--space-section) 0;
  background: linear-gradient(160deg, #f0f6f7 0%, #ffffff 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 10px;
}
.flow-step {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
  text-align: center;
}
.flow-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(18, 165, 160, 0.3);
}
.flow-step-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #ffffff;
  margin: 0 auto 20px;
  box-shadow: 0 8px 20px rgba(11, 58, 94, 0.22);
}
.flow-step-num {
  position: absolute;
  top: 14px;
  right: 20px;
  font-size: 42px;
  font-weight: 800;
  color: rgba(11, 58, 94, 0.06);
  line-height: 1;
}
.flow-step h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.flow-step p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== 图文详情区域 ===== */
.feature-detail-section {
  padding: var(--space-section) 0;
  background: var(--bg-white);
}
.detail-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 72px;
}
.detail-block:last-child {
  margin-bottom: 0;
}
.detail-block.reverse .detail-visual {
  order: 2;
}
.detail-block.reverse .detail-text {
  order: 1;
}
.detail-text h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 16px;
}
.detail-text h2 span {
  color: var(--accent);
}
.detail-text > p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-body);
  margin-bottom: 24px;
}
.detail-list {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}
.detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
}
.detail-list li i {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 4px;
}
.detail-visual {
  position: relative;
}
.detail-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.detail-img-wrap img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: var(--transition);
}
.detail-img-wrap:hover img {
  transform: scale(1.02);
}
.detail-stat-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 22px;
  box-shadow: var(--shadow-md);
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  backdrop-filter: blur(8px);
}
.detail-stat-bar i {
  color: var(--accent);
  font-size: 18px;
}
.detail-stat-bar span {
  font-size: 13px;
  color: var(--text-body);
  font-weight: 500;
}
.detail-stat-bar strong {
  color: var(--primary);
  font-weight: 700;
}

/* ===== 数据统计 ===== */
.stats-section {
  padding: var(--space-section) 0;
  background: linear-gradient(135deg, #082538 0%, #0b3a5e 70%, #14507e 100%);
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
}
.stats-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}
.stat-item {
  padding: 34px 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}
.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}
.stat-num {
  font-size: 40px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 6px;
  letter-spacing: 1px;
}
.stat-num em {
  font-style: normal;
  color: var(--accent-gold);
}
.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
}
.stat-icon {
  font-size: 22px;
  color: var(--accent-gold);
  margin-bottom: 14px;
}

/* ===== 资讯列表板块 ===== */
.news-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.news-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 28px;
}
.news-main-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.news-main-card:hover {
  box-shadow: var(--shadow-md);
}
.news-main-img {
  height: 280px;
  overflow: hidden;
  position: relative;
}
.news-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-main-card:hover .news-main-img img {
  transform: scale(1.04);
}
.news-main-body {
  padding: 30px;
}
.news-main-body .news-date {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.news-main-body h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.45;
  margin-bottom: 12px;
}
.news-main-body p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 20px;
}
.news-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.news-side-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}
.news-side-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(18, 165, 160, 0.3);
  transform: translateX(4px);
}
.news-side-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.news-side-text h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.5;
  margin-bottom: 4px;
  transition: var(--transition);
}
.news-side-card:hover .news-side-text h4 {
  color: var(--accent);
}
.news-side-text p {
  font-size: 12px;
  color: var(--text-weak);
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--space-section) 0;
  background: var(--bg-white);
}
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-white);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(18, 165, 160, 0.3);
  box-shadow: var(--shadow-sm);
}
.faq-item.active {
  border-color: rgba(18, 165, 160, 0.45);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  gap: 16px;
}
.faq-question h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.5;
  flex: 1;
}
.faq-question i {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: var(--transition);
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
  background: var(--accent);
  color: #ffffff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-body);
  border-top: 1px dashed var(--border);
  margin-top: 2px;
}
.faq-answer-inner p {
  padding-top: 16px;
}

/* ===== CTA 区域 ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f0f6f7 0%, #e2f0f0 100%);
  border-top: 1px solid var(--border);
}
.cta-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -40px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(18, 165, 160, 0.25);
  filter: blur(30px);
}
.cta-card::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: 8%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(212, 169, 70, 0.12);
  filter: blur(40px);
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-text h2 {
  font-size: 30px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
  line-height: 1.4;
}
.cta-text p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  line-height: 1.8;
}
.cta-btns {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: linear-gradient(135deg, var(--accent), #0e7c7b);
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-accent);
  transition: var(--transition);
}
.btn-cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(18, 165, 160, 0.35);
  color: #ffffff;
}
.btn-cta-ghost {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-size: 15px;
  font-weight: 500;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.btn-cta-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #07202f;
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 30px;
  border-top: 4px solid var(--accent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 44px;
  margin-bottom: 50px;
}
.footer-brand .logo {
  margin-bottom: 18px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  max-width: 340px;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.footer-links-list li {
  margin-bottom: 12px;
}
.footer-links-list a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.footer-links-list a::before {
  content: "›";
  color: var(--accent);
  font-weight: 700;
  transition: var(--transition);
}
.footer-links-list a:hover {
  color: #ffffff;
  transform: translateX(4px);
}
.footer-links-list a:hover::before {
  color: var(--accent-gold);
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 14px;
  line-height: 1.7;
}
.footer-contact i {
  color: var(--accent);
  margin-top: 4px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}
.footer-bottom a:hover {
  color: #ffffff;
}

/* ===== 移动端菜单 ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(8, 37, 56, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 24px 28px;
  z-index: 998;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}
.mobile-menu.open {
  display: block;
}
.mobile-menu-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mobile-menu-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}
.mobile-menu-list a:hover,
.mobile-menu-list a.active {
  background: rgba(18, 165, 160, 0.2);
  color: #ffffff;
}
.mobile-menu-list a i {
  width: 24px;
  text-align: center;
  color: var(--accent);
}
.mobile-menu-btn {
  display: none;
  margin-top: 14px;
  width: 100%;
  justify-content: center;
  padding: 13px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent), #0e7c7b);
  color: #ffffff;
  font-weight: 600;
  font-size: 14px;
}

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  :root {
    --space-section: 72px;
  }
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .flow-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-layout {
    grid-template-columns: 1fr;
  }
  .banner-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .banner-visual {
    max-width: 560px;
  }
  .detail-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
  }
  .nav-header-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .mobile-menu-btn {
    display: flex;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 56px;
  }
  .header-inner {
    min-height: 64px;
  }
  .logo {
    font-size: 19px;
  }
  .category-banner {
    padding: 62px 0 54px;
  }
  .category-banner h1 {
    font-size: 32px;
  }
  .banner-desc {
    font-size: 14px;
  }
  .banner-meta {
    gap: 16px;
    flex-direction: column;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .section-head p {
    font-size: 14px;
  }
  .guide-grid {
    gap: 20px;
  }
  .stats-inner {
    gap: 18px;
  }
  .stat-num {
    font-size: 32px;
  }
  .cta-card {
    padding: 40px 28px;
  }
  .cta-text h2 {
    font-size: 24px;
  }
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .detail-text h2 {
    font-size: 24px;
  }
  .detail-img-wrap img {
    height: 260px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .flow-grid {
    grid-template-columns: 1fr;
  }
  .stats-inner {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .stat-item {
    padding: 24px 12px;
  }
  .stat-num {
    font-size: 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .news-main-img {
    height: 210px;
  }
  .news-main-body {
    padding: 24px 20px;
  }
  .cta-btns {
    flex-direction: column;
    width: 100%;
  }
  .cta-btns a {
    width: 100%;
    justify-content: center;
  }
  .detail-stat-bar {
    padding: 10px 14px;
    font-size: 12px;
    bottom: 14px;
  }
  .mini-step {
    padding: 10px 0;
  }
  .banner-card {
    padding: 24px;
  }
}

/* roulang page: article */
:root {
  --primary: #0f766e;
  --primary-light: #14b8a6;
  --primary-dark: #0b5c56;
  --accent: #0284c7;
  --bg: #f0fdfa;
  --bg-subtle: #f8fafc;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(15, 118, 110, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 118, 110, 0.12);
  --transition: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg-subtle);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226,232,240,0.7);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: 0.5px;
}
.logo i {
  font-size: 26px;
  color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.main-nav { display: flex; }
.nav-list { display: flex; list-style: none; gap: 8px; }
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}
.nav-link i { font-size: 14px; color: var(--primary-light); }
.nav-link:hover { background: rgba(15,118,110,0.08); color: var(--primary-dark); }
.nav-item.active .nav-link {
  background: var(--primary);
  color: #fff;
}
.nav-item.active .nav-link i { color: #fff; }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  font-size: 18px;
  color: var(--primary);
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.nav-toggle:hover { background: var(--bg); }

.page-banner {
  position: relative;
  background: linear-gradient(135deg, rgba(15,118,110,0.95), rgba(2,132,199,0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 48px 0 60px;
  color: #fff;
}
.page-banner .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.75);
}
.breadcrumb a { transition: var(--transition); }
.breadcrumb a:hover { color: #fff; text-decoration: underline; }
.breadcrumb i { font-size: 10px; color: rgba(255,255,255,0.5); }
.breadcrumb span { color: #fff; font-weight: 500; }

.article-section { padding: 60px 0 40px; }
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: start;
}
.article-main-content { min-width: 0; }
.article-header {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px 40px 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226,232,240,0.6);
}
.article-title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-weak);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 14px;
}
.meta-item i { color: var(--primary); font-size: 12px; }
.meta-item .meta-cat {
  color: var(--primary);
  font-weight: 600;
}
.article-cover {
  margin-top: 24px;
  border-radius: var(--radius);
  overflow: hidden;
  max-height: 460px;
}
.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-body {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px;
  margin-top: 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226,232,240,0.6);
}
.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: #334155;
}
.article-content p { margin-bottom: 20px; }
.article-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 32px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  color: var(--text);
}
.article-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 28px 0 12px;
  color: var(--text);
}
.article-content ul, .article-content ol {
  margin: 0 0 20px 24px;
}
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
  margin: 24px 0;
  padding: 18px 22px;
  background: var(--bg);
  border-left: 4px solid var(--primary-light);
  border-radius: 0 10px 10px 0;
  color: var(--text-weak);
  font-style: italic;
}
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content img { border-radius: 12px; margin: 24px 0; }

.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 24px;
  margin-top: 28px;
  border-top: 1px solid var(--border);
}
.article-tags .label { font-size: 14px; font-weight: 600; color: var(--text); }
.tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--primary-dark);
  transition: var(--transition);
}
.tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.article-sidebar { min-width: 0; }
.sidebar-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(226,232,240,0.6);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.sidebar-platform {
  position: relative;
  border: none;
  padding: 0;
  overflow: hidden;
  color: #fff;
}
.sidebar-platform-bg {
  padding: 28px 24px;
  background: linear-gradient(135deg, rgba(15,118,110,0.92), rgba(2,132,199,0.8)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.sidebar-platform-bg h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.sidebar-platform-bg p {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  margin-bottom: 18px;
}
.sidebar-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--bg);
  position: relative;
}
.sidebar-card h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 40px;
  height: 2px;
  background: var(--primary);
}
.sidebar-list { list-style: none; }
.sidebar-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list li i {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: 8px;
  color: var(--primary);
  font-size: 13px;
}
.sidebar-contact {
  background: linear-gradient(135deg, var(--bg), #f0f9ff);
  text-align: center;
}
.sidebar-contact p {
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: var(--transition);
  text-align: center;
}
.btn i { font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(15,118,110,0.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15,118,110,0.35); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; color: var(--primary-dark); }
.btn-light:hover { background: var(--bg); transform: translateY(-2px); }
.btn-block { width: 100%; }

.article-not-found {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 80px 40px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226,232,240,0.6);
}
.article-not-found .icon {
  width: 72px;
  height: 72px;
  line-height: 72px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--primary);
  font-size: 30px;
  margin: 0 auto 24px;
}
.article-not-found h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text);
}
.article-not-found p { color: var(--text-weak); margin-bottom: 28px; }

.related-posts { padding: 60px 0 40px; }
.section-title-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.section-title-wrap h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
  position: relative;
}
.section-title-wrap h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  margin-top: 8px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(226,232,240,0.6);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: block;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15,118,110,0.3);
}
.related-cover {
  height: 186px;
  overflow: hidden;
  position: relative;
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .related-cover img { transform: scale(1.06); }
.related-cover .tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255,255,255,0.92);
  border: none;
  color: var(--primary);
  font-weight: 600;
}
.related-info { padding: 20px 22px 24px; }
.related-info h4 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-info p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.related-info time {
  font-size: 12px;
  color: var(--text-weak);
  display: block;
}

.cta-section { padding: 60px 0 80px; }
.cta-box {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--accent));
  border-radius: 20px;
  padding: 44px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: #fff;
  box-shadow: 0 16px 48px rgba(15,118,110,0.25);
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.cta-text h2 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
}
.cta-text p {
  font-size: 15px;
  opacity: 0.85;
}
.cta-actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
}

.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 64px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand .logo i {
  -webkit-text-fill-color: var(--primary-light);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 12px;
  max-width: 280px;
}
.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: var(--primary-light);
}
.footer-links-list {
  list-style: none;
}
.footer-links-list li { margin-bottom: 10px; }
.footer-links-list a {
  font-size: 14px;
  color: #94a3b8;
  transition: var(--transition);
}
.footer-links-list a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-contact {
  list-style: none;
}
.footer-contact li {
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #94a3b8;
}
.footer-contact li i {
  color: var(--primary-light);
  font-size: 13px;
  width: 20px;
}
.footer-bottom {
  border-top: 1px solid rgba(148,163,184,0.2);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
  color: #64748b;
}
.footer-bottom a { color: #94a3b8; transition: var(--transition); }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-box { flex-direction: column; text-align: center; padding: 40px 32px; }
}

@media (max-width: 768px) {
  .header-inner { height: 64px; }
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 40px rgba(0,0,0,0.08);
    padding: 16px 24px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-list { flex-direction: column; gap: 4px; }
  .nav-link { padding: 14px 16px; font-size: 15px; }
  .article-header { padding: 28px 24px 22px; }
  .article-body { padding: 24px; }
  .article-title { font-size: 22px; }
  .article-layout { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; }
  .page-banner { padding: 32px 0 40px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section-title-wrap { flex-direction: column; gap: 12px; align-items: flex-start; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-header { padding: 20px 16px; }
  .article-body { padding: 20px 16px; }
  .article-content { font-size: 15px; line-height: 1.85; }
  .article-content h2 { font-size: 19px; }
  .article-meta { gap: 8px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-cover { height: 200px; }
  .page-banner { padding: 28px 0 32px; }
  .cta-box { padding: 32px 24px; }
  .cta-text h2 { font-size: 20px; }
  .article-title { font-size: 20px; }
  .sidebar-platform-bg { padding: 22px 18px; }
}

/* roulang page: category2 */
:root {
    --color-primary: #0f6b5c;
    --color-primary-light: #178c7a;
    --color-primary-dark: #0a4f42;
    --color-secondary: #f0b429;
    --color-accent: #1a9c8a;
    --color-bg: #f6f9f8;
    --color-bg-deep: #0b2e28;
    --color-card: #ffffff;
    --color-text: #1c2b28;
    --color-text-weak: #5f7570;
    --color-border: #e2ebe8;
    --color-white: #ffffff;
    --color-kpi: #0f6b5c;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 8px 30px rgba(15, 107, 92, 0.08);
    --shadow-hover: 0 14px 40px rgba(15, 107, 92, 0.15);
    --transition: all 0.3s ease;
    --spacing-section: 80px;
    --spacing-card: 24px;
  }

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

  html {
    scroll-behavior: smooth;
  }

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

  img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-sm);
  }

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

  button,
  input,
  select {
    font-family: inherit;
    font-size: inherit;
  }

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

  /* ===== Header ===== */
  .site-header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 14px 0;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
  }

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

  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-primary);
    white-space: nowrap;
  }

  .logo i {
    font-size: 1.8rem;
    color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    -webkit-background-clip: text;
    background-clip: text;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background-color: rgba(15, 107, 92, 0.12);
  }

  .main-nav .nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
  }

  .main-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
    transition: var(--transition);
  }

  .main-nav .nav-link i {
    font-size: 0.85rem;
    color: var(--color-text-weak);
    transition: var(--transition);
  }

  .main-nav .nav-link:hover {
    background: rgba(15, 107, 92, 0.08);
    color: var(--color-primary);
  }

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

  .main-nav .nav-item.active .nav-link {
    background: var(--color-primary);
    color: var(--color-white);
  }

  .main-nav .nav-item.active .nav-link i {
    color: var(--color-white);
  }

  .nav-cta {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: var(--color-white) !important;
    border-radius: 30px;
    padding: 10px 22px;
    box-shadow: 0 4px 16px rgba(15, 107, 92, 0.25);
  }

  .nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 107, 92, 0.35);
  }

  .menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--color-primary);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
  }

  .menu-toggle:hover {
    background: rgba(15, 107, 92, 0.08);
  }

  /* ===== Page Banner ===== */
  .page-banner {
    background: linear-gradient(135deg, #ecf7f4 0%, #d8eee8 45%, #bfe0d8 100%);
    padding: 90px 0 80px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
  }

  .page-banner::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(15, 107, 92, 0.06);
    z-index: 0;
  }

  .page-banner::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: 10%;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(240, 180, 41, 0.06);
    z-index: 0;
  }

  .page-banner .container {
    position: relative;
    z-index: 1;
  }

  .banner-inner {
    max-width: 760px;
  }

  .banner-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--color-white);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 20px;
    box-shadow: 0 2px 12px rgba(15, 107, 92, 0.08);
  }

  .banner-tag i {
    font-size: 0.8rem;
  }

  .banner-inner h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-primary-dark);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }

  .banner-inner p {
    font-size: 1.15rem;
    color: var(--color-text-weak);
    line-height: 1.8;
    max-width: 620px;
  }

  /* ===== Filter Bar ===== */
  .filter-bar {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
    position: sticky;
    top: 74px;
    z-index: 50;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  }

  .filter-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
  }

  .filter-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
  }

  .filter-tab {
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-weak);
    background: transparent;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
  }

  .filter-tab:hover {
    color: var(--color-primary);
    background: rgba(15, 107, 92, 0.06);
  }

  .filter-tab.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
  }

  .filter-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 30px;
    padding: 8px 18px;
    transition: var(--transition);
  }

  .search-box:focus-within {
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(15, 107, 92, 0.1);
  }

  .search-box i {
    color: var(--color-text-weak);
    font-size: 0.9rem;
  }

  .search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.9rem;
    color: var(--color-text);
    width: 160px;
  }

  .search-box input::placeholder {
    color: var(--color-text-weak);
  }

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

  .section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 44px;
    flex-wrap: wrap;
  }

  .section-title-wrap {
    max-width: 600px;
  }

  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 10px;
  }

  .section-title {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.25;
    letter-spacing: -0.01em;
  }

  .section-subtitle {
    color: var(--color-text-weak);
    font-size: 1rem;
    margin-top: 10px;
  }

  .section-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 10px 20px;
    border: 1px solid var(--color-primary);
    border-radius: 30px;
    transition: var(--transition);
  }

  .section-more:hover {
    background: var(--color-primary);
    color: var(--color-white);
    gap: 12px;
  }

  /* ===== News List ===== */
  .news-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .news-card {
    background: var(--color-card);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    padding: 32px;
    display: flex;
    gap: 28px;
    align-items: flex-start;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }

  .news-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: rgba(15, 107, 92, 0.25);
  }

  .news-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-primary);
    border-radius: 0 4px 4px 0;
    opacity: 0;
    transition: var(--transition);
  }

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

  .news-card-date {
    min-width: 108px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 18px 12px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    text-align: center;
  }

  .news-card-date .day {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
  }

  .news-card-date .month {
    font-size: 0.85rem;
    color: var(--color-text-weak);
    margin-top: 6px;
    font-weight: 600;
  }

  .news-card-content {
    flex: 1;
  }

  .news-card-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-text);
    line-height: 1.4;
  }

  .news-card-content h3 a:hover {
    color: var(--color-primary);
  }

  .news-card-content p {
    color: var(--color-text-weak);
    font-size: 0.98rem;
    line-height: 1.8;
    margin-bottom: 16px;
  }

  .news-meta {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
  }

  .news-meta span {
    font-size: 0.85rem;
    color: var(--color-text-weak);
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .news-meta i {
    color: var(--color-primary);
  }

  .news-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(15, 107, 92, 0.1);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
  }

  /* ===== Hot Topic / Featured ===== */
  .hot-section {
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
  }

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

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

  .hot-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: rgba(15, 107, 92, 0.2);
  }

  .hot-card-img {
    height: 220px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    position: relative;
  }

  .hot-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.35));
  }

  .hot-card-img .badge-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    background: var(--color-secondary);
    color: var(--color-text);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
  }

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

  .hot-card-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.45;
  }

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

  .hot-card-body p {
    color: var(--color-text-weak);
    font-size: 0.9rem;
    line-height: 1.7;
    flex: 1;
  }

  .hot-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
  }

  .hot-card-footer .meta {
    font-size: 0.82rem;
    color: var(--color-text-weak);
  }

  .hot-card-footer .link {
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .hot-card-footer .link i {
    font-size: 0.75rem;
  }

  /* ===== KPI Stats ===== */
  .stats-section {
    background: var(--color-bg-deep);
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    position: relative;
    padding: 90px 0;
  }

  .stats-section .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(11, 46, 40, 0.92), rgba(15, 107, 92, 0.82));
  }

  .stats-section .container {
    position: relative;
    z-index: 2;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }

  .stat-card {
    text-align: center;
    padding: 36px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius);
    backdrop-filter: blur(8px);
    transition: var(--transition);
  }

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

  .stat-card .num {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.2;
  }

  .stat-card .num span {
    font-size: 1.6rem;
  }

  .stat-card .label {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.92rem;
    margin-top: 8px;
    font-weight: 500;
  }

  .stats-section .section-title {
    color: var(--color-white);
  }

  .stats-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
  }

  .stats-section .section-label {
    color: var(--color-secondary);
  }

  /* ===== Media Report ===== */
  .report-section {
    background: var(--color-bg);
  }

  .report-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

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

  .report-img {
    height: 260px;
    overflow: hidden;
    position: relative;
  }

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

  .report-card:hover .report-img img {
    transform: scale(1.04);
  }

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

  .report-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
  }

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

  .report-body p {
    color: var(--color-text-weak);
    font-size: 0.95rem;
    line-height: 1.75;
    flex: 1;
  }

  .report-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
  }

  .report-meta .source {
    background: rgba(15, 107, 92, 0.08);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--color-primary);
    font-weight: 600;
  }

  .report-meta .time {
    font-size: 0.85rem;
    color: var(--color-text-weak);
  }

  /* ===== FAQ ===== */
  .faq-section {
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
  }

  .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .faq-item {
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    padding: 28px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
  }

  .faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(15, 107, 92, 0.06);
  }

  .faq-question {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: 10px;
  }

  .faq-question i {
    color: var(--color-primary);
    font-size: 1rem;
    margin-top: 4px;
  }

  .faq-answer {
    color: var(--color-text-weak);
    font-size: 0.92rem;
    line-height: 1.75;
    padding-left: 30px;
  }

  /* ===== CTA ===== */
  .cta-section {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -40px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
  }

  .cta-inner {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
  }

  .cta-inner h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
  }

  .cta-inner p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.1rem;
    margin-bottom: 36px;
    line-height: 1.8;
  }

  .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--color-white);
    color: var(--color-primary);
    padding: 16px 40px;
    border-radius: 40px;
    font-size: 1rem;
    font-weight: 700;
    transition: var(--transition);
  }

  .cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.15);
    gap: 14px;
  }

  .cta-btn i {
    font-size: 0.9rem;
  }

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

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 0.9fr;
    gap: 48px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-brand .logo {
    color: var(--color-white);
    font-size: 1.3rem;
    margin-bottom: 16px;
  }

  .footer-brand .logo i {
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
  }

  .footer-brand p {
    font-size: 0.95rem;
    line-height: 1.8;
    max-width: 320px;
  }

  .footer-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
  }

  .footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .footer-links-list a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.95rem;
  }

  .footer-links-list a:hover {
    color: var(--color-secondary);
    padding-left: 4px;
  }

  .footer-contact {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.95rem;
  }

  .footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .footer-contact i {
    color: var(--color-secondary);
    width: 18px;
    text-align: center;
  }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0 28px;
    font-size: 0.88rem;
    flex-wrap: wrap;
    gap: 12px;
  }

  .footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
  }

  .footer-bottom a:hover {
    color: var(--color-secondary);
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    :root {
      --spacing-section: 60px;
    }

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

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

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

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

    .banner-inner h1 {
      font-size: 2.3rem;
    }
  }

  @media (max-width: 768px) {
    :root {
      --spacing-section: 50px;
      --spacing-card: 16px;
    }

    .container {
      padding: 0 20px;
    }

    .header-inner {
      flex-wrap: nowrap;
    }

    .main-nav {
      display: none;
      width: 100%;
      position: absolute;
      top: 100%;
      left: 0;
      background: var(--color-white);
      border-bottom: 1px solid var(--color-border);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
      padding: 20px;
      border-radius: 0 0 16px 16px;
    }

    .main-nav.open {
      display: block;
    }

    .menu-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .main-nav .nav-list {
      flex-direction: column;
      gap: 4px;
      align-items: stretch;
    }

    .main-nav .nav-link {
      justify-content: flex-start;
      padding: 12px 16px;
      border-radius: 10px;
    }

    .page-banner {
      padding: 60px 0;
    }

    .banner-inner h1 {
      font-size: 1.9rem;
    }

    .banner-inner p {
      font-size: 1rem;
    }

    .filter-bar {
      position: static;
    }

    .filter-inner {
      flex-direction: column;
      align-items: flex-start;
    }

    .search-box {
      width: 100%;
    }

    .search-box input {
      flex: 1;
      width: auto;
    }

    .news-card {
      flex-direction: column;
      padding: 24px;
    }

    .news-card-date {
      flex-direction: row;
      min-width: 0;
      padding: 10px 18px;
      gap: 12px;
      align-self: flex-start;
    }

    .news-card-date .day {
      font-size: 1.6rem;
    }

    .news-card-date .month {
      margin-top: 0;
    }

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

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

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

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

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

    .stat-card .num {
      font-size: 2rem;
    }

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

    .cta-inner h2 {
      font-size: 1.8rem;
    }

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

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

  @media (max-width: 520px) {
    .container {
      padding: 0 16px;
    }

    .logo {
      font-size: 1.1rem;
    }

    .logo i {
      font-size: 1.4rem;
      width: 34px;
      height: 34px;
    }

    .banner-inner h1 {
      font-size: 1.6rem;
    }

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

    .section-title {
      font-size: 1.5rem;
    }

    .news-card {
      padding: 20px;
    }

    .news-card-content h3 {
      font-size: 1.15rem;
    }

    .hot-card-img {
      height: 180px;
    }

    .report-img {
      height: 200px;
    }

    .report-body {
      padding: 20px;
    }

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

    .faq-item {
      padding: 20px;
    }

    .cta-btn {
      width: 100%;
      justify-content: center;
      padding: 14px 24px;
    }
  }

/* roulang page: category3 */
:root {
  --primary: #0e7490;
  --primary-dark: #155e75;
  --primary-light: #06b6d4;
  --accent: #14b8a6;
  --accent-light: #99f6e4;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #0f172a;
  --text-weak: #5b6b7f;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(2, 6, 23, 0.06);
  --shadow-hover: 0 12px 36px rgba(14, 116, 144, 0.12);
  --spacer: 96px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; font-size: 15px; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.logo i {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 10px;
  font-size: 17px;
}
.main-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-item .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 500;
  color: var(--text-weak);
  transition: all 0.25s ease;
  border: 1px solid transparent;
}
.nav-item .nav-link i { font-size: 13px; opacity: 0.9; }
.nav-item .nav-link:hover {
  color: var(--primary);
  background: rgba(14, 116, 144, 0.06);
  border-color: rgba(14, 116, 144, 0.12);
}
.nav-item.active .nav-link {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 6px 16px rgba(14, 116, 144, 0.28);
}
.nav-item.active .nav-link:hover { color: #fff; background: var(--primary-dark); }
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 44px;
  height: 40px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all 0.25s;
}
.menu-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.25s; }
.menu-toggle:hover { border-color: var(--primary); }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Page Hero */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(14, 116, 144, 0.82) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  padding: 110px 0 100px;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.35), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 1px;
  margin-bottom: 22px;
  color: var(--accent-light);
}
.hero-badge i { font-size: 12px; }
.page-hero h1 {
  font-size: 46px;
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: 18px;
  max-width: 680px;
  letter-spacing: 1px;
}
.page-hero h1 span { color: var(--accent-light); }
.page-hero p {
  font-size: 16px;
  line-height: 1.8;
  max-width: 620px;
  color: rgba(255,255,255,0.88);
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 22px rgba(20, 184, 166, 0.3);
}
.btn-primary:hover { background: #0f9a8c; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(20, 184, 166, 0.4); }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px); }
.btn-outline-white {
  background: transparent;
  color: var(--primary-dark);
  border: 1px solid rgba(14, 116, 144, 0.3);
}
.btn-outline-white:hover { background: rgba(14, 116, 144, 0.05); border-color: var(--primary); }

/* Sections */
.section { padding: var(--spacer) 0; }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 54px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(20, 184, 166, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
  border: 1px solid rgba(20, 184, 166, 0.15);
}
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--text); line-height: 1.3; margin-bottom: 12px; }
.section-head p { color: var(--text-weak); font-size: 15px; line-height: 1.7; }

/* Stats */
.stats-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 50px 30px;
  box-shadow: var(--shadow);
  margin-top: -46px;
  position: relative;
  z-index: 5;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item { padding: 10px 8px; }
.stat-item .stat-num {
  font-size: 38px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: -1px;
}
.stat-item .stat-num small { font-size: 18px; font-weight: 600; margin-left: 2px; }
.stat-item .stat-label { color: var(--text-weak); font-size: 14px; margin-top: 8px; }
.stat-item .stat-desc { font-size: 12px; color: #94a3b8; margin-top: 4px; }

/* Service Cards */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  transition: all 0.35s ease;
  box-shadow: var(--shadow);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(14, 116, 144, 0.25); }
.service-card .card-body { padding: 32px; flex: 1; }
.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  margin-bottom: 20px;
}
.service-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.service-card p { color: var(--text-weak); font-size: 14px; line-height: 1.75; }
.service-card .card-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.badge {
  display: inline-block;
  background: rgba(14, 116, 144, 0.06);
  color: var(--primary);
  border: 1px solid rgba(14, 116, 144, 0.12);
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 999px;
  font-weight: 500;
}
.service-card .card-img {
  width: 170px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(14,116,144,0.1), rgba(20,184,166,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 220px;
}
.service-card .card-img img { width: 100%; height: 100%; object-fit: cover; }

/* Process */
.process-section { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: process;
}
.process-item {
  position: relative;
  padding: 36px 24px 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.3s ease;
}
.process-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.process-item::before {
  counter-increment: process;
  content: counter(process, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border-radius: 12px;
  margin-bottom: 18px;
}
.process-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.process-item p { font-size: 13px; color: var(--text-weak); line-height: 1.7; }

/* Promise */
.promise-wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
}
.promise-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}
.promise-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,116,144,0.1), rgba(20,184,166,0.05));
  z-index: 1;
}
.promise-img img { width: 100%; height: 100%; object-fit: cover; min-height: 340px; }
.promise-content h2 { font-size: 30px; font-weight: 800; line-height: 1.3; margin-bottom: 14px; }
.promise-content > p { color: var(--text-weak); font-size: 15px; margin-bottom: 28px; }
.promise-list { display: flex; flex-direction: column; gap: 18px; }
.promise-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.25s;
}
.promise-list li:hover { border-color: rgba(14, 116, 144, 0.25); background: #fff; box-shadow: var(--shadow); }
.promise-list li i {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 184, 166, 0.12);
  color: var(--primary);
  border-radius: 10px;
  font-size: 14px;
  margin-top: 2px;
}
.promise-list .list-title { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.promise-list .list-text { font-size: 13px; color: var(--text-weak); line-height: 1.6; }

/* FAQ */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all 0.25s;
}
.faq-item:hover { border-color: rgba(14, 116, 144, 0.2); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  color: var(--text);
  transition: background 0.2s;
}
.faq-question:hover { background: rgba(14,116,144,0.03); }
.faq-question i { color: var(--primary); font-size: 13px; transition: transform 0.3s; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p { font-size: 14px; color: var(--text-weak); line-height: 1.75; }

/* CTA */
.cta-section {
  background: linear-gradient(135deg, #0f172a 0%, var(--primary-dark) 55%, var(--primary) 100%);
  border-radius: var(--radius);
  padding: 64px 50px;
  position: relative;
  overflow: hidden;
  text-align: center;
  color: #fff;
}
.cta-section::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(20,184,166,0.25), transparent 70%);
  pointer-events: none;
}
.cta-section h2 { font-size: 30px; font-weight: 800; margin-bottom: 14px; position: relative; }
.cta-section p { font-size: 15px; color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 30px; position: relative; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; }

/* Footer */
.site-footer { background: #0f172a; color: #94a3b8; padding: 72px 0 30px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 44px; margin-bottom: 44px; }
.footer-brand .logo { color: #fff; font-size: 20px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 300px; }
.footer-title { color: #e2e8f0; font-size: 15px; font-weight: 700; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-links-list li { margin-bottom: 10px; }
.footer-links-list a { font-size: 14px; color: #94a3b8; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px; }
.footer-links-list a:hover { color: var(--accent); padding-left: 4px; }
.footer-links-list a::before { content: '›'; color: var(--accent); font-size: 14px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 14px; }
.footer-contact i { color: var(--accent); width: 20px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: #64748b;
}
.footer-bottom a { color: #94a3b8; transition: color 0.2s; }
.footer-bottom a:hover { color: var(--accent); }

/* Focus styles */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Responsive */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .service-grid { grid-template-columns: 1fr; }
  .promise-wrap { grid-template-columns: 1fr; gap: 36px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .page-hero h1 { font-size: 38px; }
}

@media (max-width: 768px) {
  :root { --spacer: 72px; }
  .site-header { position: relative; }
  .header-inner { height: auto; padding: 16px 0; flex-wrap: wrap; }
  .menu-toggle { display: flex; }
  .main-nav {
    width: 100%;
    display: none;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }
  .main-nav.open { display: block; }
  .main-nav .nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-item .nav-link { width: 100%; justify-content: flex-start; padding: 12px 16px; border-radius: 10px; }
  .page-hero { padding: 80px 0 72px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero p { font-size: 14px; }
  .hero-actions .btn { width: 100%; justify-content: center; padding: 12px 20px; }
  .section-head h2 { font-size: 26px; }
  .stats-wrap { padding: 36px 24px; margin-top: -30px; }
  .stat-item .stat-num { font-size: 30px; }
  .service-card { flex-direction: column; }
  .service-card .card-img { width: 100%; min-height: 180px; }
  .promise-content h2 { font-size: 26px; }
  .cta-section { padding: 44px 24px; }
  .cta-section h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo { font-size: 17px; }
  .logo i { width: 32px; height: 32px; font-size: 15px; }
  .page-hero h1 { font-size: 25px; }
  .stats-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-item .stat-num { font-size: 26px; }
  .btn { padding: 11px 22px; font-size: 14px; }
  .section-head h2 { font-size: 23px; }
  .faq-question { padding: 16px 18px; font-size: 14px; }
  .faq-answer { padding: 0 18px; }
  .faq-item.open .faq-answer { padding: 0 18px 16px; }
}