/* roulang page: index */
:root {
  --primary: #2E6FA8;
  --primary-light: #EAF2F8;
  --primary-lighter: #F0F5FA;
  --accent: #0E8A7D;
  --accent-hover: #0B6F65;
  --bg-white: #FFFFFF;
  --bg-alt: #F7FAFC;
  --text-main: #1A2B3C;
  --text-secondary: #5A6B7D;
  --text-muted: #8A99A8;
  --border-color: #E2EAF0;
  --border-light: #E8EFF4;
  --gold: #C9A063;
  --radius-sm: 8px;
  --radius-card: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 8px rgba(46, 111, 168, 0.06);
  --shadow-hover: 0 8px 24px rgba(46, 111, 168, 0.12);
  --shadow-lg: 0 12px 32px rgba(46, 111, 168, 0.16);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-white);
  margin: 0;
  letter-spacing: 0.3px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 1px;
  margin: 0 0 16px;
}
p { margin: 0 0 16px; }
.container { max-width: 1200px; }
.btn { border-radius: var(--radius-sm); font-weight: 600; transition: var(--transition); }
.btn:focus, .btn:active { box-shadow: none; }
.btn:focus-visible { outline: 3px solid rgba(14, 138, 125, 0.3); outline-offset: 2px; }

/* ===== 导航栏 ===== */
.site-nav {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
  padding: 0;
  min-height: 72px;
}
.site-nav .navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 1px;
}
.site-nav .navbar-brand:hover { color: var(--text-main); }
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 2px 6px rgba(46, 111, 168, 0.25);
}
.brand-text { font-size: 16px; font-weight: 700; white-space: nowrap; }
.site-nav .navbar-nav { gap: 2px; }
.site-nav .nav-link {
  padding: 8px 14px !important;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  position: relative;
}
.site-nav .nav-link:hover { color: var(--primary); background: var(--primary-lighter); }
.site-nav .nav-link.active {
  color: var(--primary);
  font-weight: 600;
  background: var(--primary-light);
}
.site-nav .nav-link.active::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  position: relative;
  width: 200px;
}
.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}
.search-box input {
  width: 100%;
  height: 40px;
  border: 1px solid #D5DEE6;
  border-radius: var(--radius-sm);
  padding: 0 14px 0 36px;
  font-size: 14px;
  background: var(--bg-white);
  color: var(--text-main);
  transition: var(--transition);
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  outline: none;
}
.btn-consult {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 20px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-consult:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); }
.navbar-toggler { border: none; padding: 6px 10px; }
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='%231A2B3C' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media (max-width: 991.98px) {
  .site-nav .navbar-collapse {
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
    padding: 16px 0;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
    z-index: 1000;
  }
  .site-nav .navbar-nav { gap: 4px; }
  .site-nav .nav-link { padding: 10px 16px !important; }
  .nav-actions { flex-direction: column; align-items: stretch; padding: 8px 16px 0; }
  .search-box { width: 100%; }
  .btn-consult { justify-content: center; }
}

/* ===== Hero 首屏 ===== */
.hero {
  background: linear-gradient(135deg, #EAF2F8 0%, #FFFFFF 60%);
  padding: 72px 0 88px;
  border-radius: 0 0 48px 48px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(46, 111, 168, 0.04);
}
.hero::after {
  content: '';
  position: absolute;
  left: 30%;
  bottom: -120px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(14, 138, 125, 0.03);
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.hero h1 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 18px;
  color: var(--text-main);
  letter-spacing: 2px;
}
.hero h1 .accent-line { color: var(--primary); }
.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 500px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.btn-primary-solid {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-primary-solid:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(14, 138, 125, 0.25); }
.btn-outline-solid {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-outline-solid:hover { background: var(--primary-light); color: var(--primary); transform: translateY(-2px); }
.hero-trust {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}
.hero-trust i { color: var(--accent); font-size: 14px; }
.hero-image {
  position: relative;
  z-index: 2;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--bg-white);
}
.hero-image img { width: 100%; height: auto; object-fit: cover; border-radius: 16px; }
@media (max-width: 767.98px) {
  .hero { padding: 48px 0 56px; border-radius: 0 0 28px 28px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .hero-image { margin-top: 28px; }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { flex: 1; justify-content: center; }
}

/* ===== 指标看板 ===== */
.stats-section {
  padding: 56px 0 0;
  position: relative;
  z-index: 3;
}
.stats-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
}
.stats-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.stats-card.featured {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.stats-card.featured .stat-number { color: #fff; }
.stats-card.featured .stat-label { color: rgba(255, 255, 255, 0.82); }
.stats-card.featured .stat-desc { color: rgba(255, 255, 255, 0.7); }
.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 6px;
  font-family: Inter, var(--font-main);
  letter-spacing: 1px;
}
.stat-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}
.stat-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 0;
}
@media (max-width: 767.98px) {
  .stats-section { padding: 32px 0 0; }
  .stat-number { font-size: 28px; }
}

/* ===== 服务矩阵 ===== */
.services-section {
  padding: 96px 0;
  background: var(--bg-alt);
  border-radius: 48px 48px 0 0;
  margin-top: 56px;
}
.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.section-title-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 42px;
}
.section-title-wrap::before {
  content: '';
  width: 4px;
  height: 30px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}
.section-title-wrap h2 {
  font-size: 28px;
  font-weight: 700;
  margin: 0;
}
.section-title-wrap .section-more {
  margin-left: auto;
  font-size: 14px;
  color: var(--text-secondary);
}
.section-title-wrap .section-more:hover { color: var(--primary); }
.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: var(--primary); }
.service-card:hover .service-link { color: var(--accent); }
.service-card-wide { display: flex; gap: 20px; align-items: flex-start; }
.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: var(--accent);
  color: #fff;
  transform: rotate(-4deg);
}
.service-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.service-content p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.6;
}
.service-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.service-link i { font-size: 12px; transition: var(--transition); }
.service-link:hover i { transform: translateX(3px); }
.service-card-narrow { text-align: left; }
.service-card-narrow .service-icon { margin-bottom: 18px; }
@media (max-width: 991.98px) {
  .services-section { padding: 64px 0; margin-top: 32px; border-radius: 28px 28px 0 0; }
  .service-card-wide { flex-direction: column; gap: 16px; }
}
@media (max-width: 767.98px) {
  .section-title-wrap h2 { font-size: 22px; }
  .section-title-wrap { margin-bottom: 28px; }
}

/* ===== 最新资讯 ===== */
.news-section {
  padding: 96px 0;
  background: var(--bg-white);
}
.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.news-card-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-alt);
}
.news-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.news-card:hover .news-card-cover img { transform: scale(1.04); }
.news-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 16px;
  letter-spacing: 0.5px;
  backdrop-filter: blur(4px);
}
.news-card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.news-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-body h3 a { color: var(--text-main); }
.news-card-body h3 a:hover { color: var(--primary); }
.news-card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}
.news-card-meta span { font-size: 13px; color: var(--text-muted); }
.news-card-meta a {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card-meta a i { font-size: 12px; }
.news-empty {
  background: var(--bg-alt);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 64px 24px;
  text-align: center;
  color: var(--text-muted);
}
.news-empty i { font-size: 36px; margin-bottom: 12px; display: block; color: var(--text-muted); }
.news-empty p { margin: 0; font-size: 15px; }
.news-more-wrap {
  text-align: center;
  margin-top: 36px;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-white);
  color: var(--text-secondary);
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow-card); }
@media (max-width: 991.98px) {
  .news-section { padding: 64px 0; }
}

/* ===== 结果对比 ===== */
.compare-section {
  padding: 96px 0;
  background: var(--bg-alt);
}
.compare-card {
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  height: 100%;
}
.compare-card-left {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
}
.compare-card-right {
  background: var(--primary-light);
  border: 1px solid var(--primary);
  box-shadow: var(--shadow-hover);
}
.compare-card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}
.compare-card-right .compare-card-title { border-bottom-color: rgba(46, 111, 168, 0.2); }
.compare-list { list-style: none; padding: 0; margin: 0; }
.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.compare-list li:last-child { border-bottom: none; }
.compare-list li i { margin-top: 3px; font-size: 14px; flex-shrink: 0; }
.compare-list li .fa-check { color: var(--accent); }
.compare-list li .fa-times { color: #D64545; }
.compare-card-right .compare-list li { color: var(--text-main); }
.compare-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 16px;
  margin-left: auto;
}
@media (max-width: 767.98px) {
  .compare-section { padding: 64px 0; }
  .compare-card { padding: 24px 20px; margin-bottom: 16px; }
}

/* ===== FAQ ===== */
.faq-section {
  padding: 96px 0;
  background: var(--bg-white);
}
.faq-container {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  margin-bottom: 16px;
  transition: var(--transition);
}
.faq-item.open {
  background: #F8FAFD;
  border-color: var(--primary);
  box-shadow: var(--shadow-card);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  user-select: none;
}
.faq-question .q-symbol {
  color: var(--primary);
  font-weight: 700;
  font-size: 17px;
  flex-shrink: 0;
}
.faq-toggle {
  margin-left: auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 12px;
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-toggle { background: var(--accent); color: #fff; transform: rotate(180deg); }
.faq-answer {
  padding: 0 24px 20px 60px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}
.faq-answer .a-symbol {
  color: var(--text-muted);
  font-weight: 600;
  margin-right: 4px;
}
@media (max-width: 767.98px) {
  .faq-section { padding: 64px 0; }
  .faq-question { font-size: 15px; padding: 16px; }
  .faq-answer { padding: 0 16px 16px 44px; }
}

/* ===== 转化表单 ===== */
.contact-section {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--primary-lighter) 0%, var(--bg-white) 100%);
  position: relative;
  overflow: hidden;
}
.contact-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  padding: 40px;
  border: 1px solid var(--border-color);
}
.contact-card h3 { font-size: 24px; font-weight: 600; margin-bottom: 8px; }
.contact-card .contact-lead { color: var(--text-secondary); font-size: 14px; margin-bottom: 28px; }
.form-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 8px;
}
.form-control, .form-select {
  height: 44px;
  background: #F9FBFD;
  border: 1px solid #D5DEE6;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-main);
  transition: var(--transition);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus, .form-select:focus {
  background: var(--bg-white);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  outline: none;
}
textarea.form-control { height: auto; min-height: 100px; resize: vertical; }
.btn-submit {
  width: 100%;
  height: 48px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-submit:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(14, 138, 125, 0.25); }
.form-success {
  display: none;
  background: #EAF7F5;
  border: 1px solid #B5DED8;
  border-radius: var(--radius-sm);
  color: var(--accent);
  padding: 14px;
  font-size: 14px;
  text-align: center;
  margin-top: 16px;
}
.contact-info {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 32px;
  border: 1px solid var(--border-color);
  height: 100%;
}
.contact-info h4 { font-size: 18px; font-weight: 600; margin-bottom: 20px; }
.contact-info-list { list-style: none; padding: 0; margin: 0; }
.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.contact-info-list li:last-child { border-bottom: none; }
.contact-info-list i {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-info-list .info-label {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 2px;
}
.contact-info-list .info-value { font-weight: 500; color: var(--text-main); }
@media (max-width: 991.98px) {
  .contact-section { padding: 64px 0; }
  .contact-card { padding: 28px 24px; }
  .contact-info { margin-top: 24px; }
}

/* ===== CTA 横幅 ===== */
.cta-band {
  background: linear-gradient(135deg, var(--primary) 0%, #255a85 100%);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.cta-band::before {
  content: '';
  position: absolute;
  right: -40px;
  top: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.cta-band h3 { color: #fff; font-size: 26px; font-weight: 700; margin-bottom: 10px; }
.cta-band p { color: rgba(255, 255, 255, 0.85); font-size: 15px; margin-bottom: 24px; }
.cta-band .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--primary);
  border: none;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}
.cta-band .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18); color: var(--accent); }
@media (max-width: 767.98px) {
  .cta-band { padding: 32px 20px; }
  .cta-band h3 { font-size: 20px; }
}

/* ===== 页脚 ===== */
.site-footer {
  background: #122A3A;
  color: #B7C7D4;
  padding: 64px 0 0;
  font-size: 14px;
}
.footer-top-line {
  height: 48px;
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.04) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.site-footer .footer-brand .brand-text { color: #fff; font-size: 16px; font-weight: 700; }
.site-footer .footer-desc { font-size: 13px; line-height: 1.8; color: #8FA9B8; margin-bottom: 0; }
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  color: #B7C7D4;
  font-size: 14px;
  transition: var(--transition);
  display: inline-block;
  position: relative;
}
.footer-links a:hover { color: #fff; transform: translateX(4px); }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  color: #B7C7D4;
}
.footer-contact li i { color: var(--accent); margin-top: 3px; }
.footer-bottom {
  margin-top: 48px;
  background: #0E2230;
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #7A97A8;
}
@media (max-width: 767.98px) {
  .site-footer { padding-top: 48px; }
  .footer-bottom { margin-top: 32px; }
  .footer-col { margin-bottom: 28px; }
}

/* roulang page: article */
:root {
  --primary: #2E6FA8;
  --primary-light: #EAF2F8;
  --accent: #0E8A7D;
  --accent-hover: #0B6F65;
  --bg-white: #FFFFFF;
  --bg-light: #F7FAFC;
  --text-main: #1A2B3C;
  --text-sub: #5A6B7D;
  --text-muted: #8A99A8;
  --border: #E2EAF0;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 8px rgba(46,111,168,0.06);
  --shadow-hover: 0 8px 24px rgba(46,111,168,0.12);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-white);
  margin: 0;
  padding: 0;
  letter-spacing: 0.3px;
}
a { text-decoration: none; color: var(--primary); transition: color .2s ease; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button, input, select, textarea { font-family: inherit; }
.container { max-width: 1200px; }

/* ===== 导航 ===== */
.site-nav {
  background: #FFFFFF;
  border-bottom: 1px solid #E8EFF4;
  box-shadow: 0 1px 4px rgba(0,0,0,0.03);
  min-height: 72px;
  padding-top: 0;
  padding-bottom: 0;
}
.site-nav .navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  margin: 0;
}
.site-nav .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
  flex-shrink: 0;
}
.site-nav .brand-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 1px;
}
.site-nav .navbar-nav { gap: 4px; }
.site-nav .nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-sub);
  padding: 24px 14px;
  border-bottom: 2px solid transparent;
  transition: all .2s ease;
}
.site-nav .nav-link:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.site-nav .nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  position: relative;
  width: 200px;
}
.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
  pointer-events: none;
}
.search-box input {
  width: 100%;
  height: 40px;
  border: 1px solid #D5DEE6;
  border-radius: 8px;
  background: #F9FBFD;
  padding: 0 14px 0 36px;
  font-size: 13px;
  color: var(--text-main);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.search-box input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px var(--primary-light);
}
.btn-consult {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  height: 40px;
  padding: 0 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-consult:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(14,138,125,0.25);
}
.navbar-toggler {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* ===== 面包屑 ===== */
.breadcrumb-nav {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb-nav .breadcrumb {
  margin: 0;
  padding: 0;
  background: transparent;
}
.breadcrumb-nav .breadcrumb-item {
  font-size: 13px;
  color: var(--text-sub);
}
.breadcrumb-nav .breadcrumb-item a { color: var(--primary); }
.breadcrumb-nav .breadcrumb-item a:hover { color: var(--accent); }
.breadcrumb-nav .breadcrumb-item.active { color: var(--text-muted); }
.breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--text-muted);
}

/* ===== 文章主体 ===== */
.article-body-wrapper {
  padding: 48px 0 24px;
  background: #fff;
}
.article-content-large {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 16px;
}
.article-header {
  margin-bottom: 24px;
  position: relative;
}
.article-category-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.article-header h1 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-main);
  margin: 0 0 14px;
  letter-spacing: 1px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
  color: var(--text-muted);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta i { color: var(--primary); }
.article-cover {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 28px 0 36px;
  position: relative;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}
.article-cover::before {
  content: "";
  display: block;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--accent) 60%, #C9A063);
}
.article-cover img {
  width: 100%;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  display: block;
}

/* ===== 正文排版 ===== */
.article-body {
  max-width: 760px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-main);
  letter-spacing: 0.3px;
}
.article-body p {
  margin: 0 0 22px;
}
.article-body h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  line-height: 1.5;
  letter-spacing: 1px;
}
.article-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin: 28px 0 12px;
  letter-spacing: 0.8px;
}
.article-body a {
  color: var(--primary);
  border-bottom: 1px solid rgba(46,111,168,0.3);
}
.article-body a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.article-body ul,
.article-body ol {
  margin: 0 0 22px;
  padding-left: 24px;
}
.article-body ul li {
  list-style: disc;
  margin-bottom: 8px;
}
.article-body ol li {
  list-style: decimal;
  margin-bottom: 8px;
}
.article-body blockquote {
  margin: 26px 0;
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
}
.article-body blockquote p { margin: 0 0 8px; }
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
  border-radius: 8px;
  overflow: hidden;
}
.article-body table th {
  background: var(--primary-light);
  color: var(--text-main);
  font-weight: 600;
  padding: 12px 14px;
  text-align: left;
  border-bottom: 2px solid var(--border);
}
.article-body table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.article-body table tr:last-child td { border-bottom: none; }
.article-body img {
  border-radius: 8px;
  margin: 20px 0;
}
.article-body figcaption,
.article-body .img-caption {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin-top: -12px;
}
.article-body code {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 13px;
  color: var(--text-main);
}

/* ===== 文末标签与分享 ===== */
.article-footer {
  max-width: 760px;
  margin: 40px auto 0;
  padding-top: 26px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.article-tags .tag {
  display: inline-block;
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text-sub);
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 20px;
  transition: all .2s ease;
}
.article-tags .tag:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  cursor: default;
}
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-sub);
}
.article-share i {
  font-size: 18px;
  color: var(--text-muted);
  transition: color .2s ease;
  cursor: pointer;
}
.article-share i:hover { color: var(--primary); }

/* ===== 返回按钮 ===== */
.back-entry {
  max-width: 760px;
  margin: 36px auto 0;
  text-align: center;
}
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
  padding: 10px 26px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all .2s ease;
}
.btn-back:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(46,111,168,0.18);
}

/* ===== 相关推荐 ===== */
.related-section {
  background: var(--bg-light);
  padding: 72px 0;
  margin-top: 48px;
}
.section-head {
  text-align: left;
  margin-bottom: 36px;
  position: relative;
  padding-left: 18px;
}
.section-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 28px;
  background: var(--primary);
  border-radius: 2px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 6px;
  letter-spacing: 1px;
}
.section-head p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}
.related-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  transition: all .25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--primary);
}
.related-card .card-img {
  overflow: hidden;
  position: relative;
}
.related-card .card-img img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .35s ease;
  display: block;
}
.related-card:hover .card-img img { transform: scale(1.03); }
.related-card .card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.related-card .tag-line {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.related-card .tag-line::before {
  content: "";
  width: 4px;
  height: 14px;
  background: var(--primary);
  border-radius: 2px;
  display: inline-block;
}
.related-card h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 10px;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s ease;
}
.related-card:hover h3 { color: var(--primary); }
.related-card .card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}
.related-card .read-link {
  color: var(--primary);
  font-weight: 500;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.related-card .read-link:hover { color: var(--accent); }

/* ===== 底部 CTA ===== */
.cta-banner {
  background: #122A3A;
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(46,111,168,0.15);
}
.cta-banner .cta-inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cta-banner h3 {
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: 1px;
}
.cta-banner p {
  color: #B7C7D4;
  font-size: 15px;
  margin: 0 0 24px;
}
.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  height: 46px;
  padding: 0 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: all .2s ease;
}
.btn-accent:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(14,138,125,0.3);
}

/* ===== 内容未找到 ===== */
.not-found-box {
  max-width: 640px;
  margin: 40px auto;
  text-align: center;
  background: var(--bg-light);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 72px 32px;
}
.not-found-box h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 12px;
}
.not-found-box p {
  color: var(--text-muted);
  font-size: 15px;
  margin: 0 0 24px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #122A3A;
  color: #B7C7D4;
  padding-top: 56px;
}
.footer-top-line {
  height: 48px;
  background: linear-gradient(90deg, rgba(46,111,168,0.2), rgba(14,138,125,0.15), transparent);
}
.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.site-footer .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.site-footer .brand-text {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}
.footer-desc {
  font-size: 12px;
  line-height: 1.8;
  color: #8FA3B3;
  margin: 0;
  max-width: 260px;
}
.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--accent);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links li {
  display: flex;
  align-items: center;
}
.footer-links a {
  color: #B7C7D4;
  font-size: 13px;
  line-height: 1.6;
  transition: all .2s ease;
  padding-left: 0;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #B7C7D4;
}
.footer-contact i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}
.footer-bottom {
  background: #0E2230;
  padding: 16px 0;
  margin-top: 48px;
  text-align: center;
}
.footer-bottom span {
  font-size: 12px;
  color: #7C93A6;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .site-nav .navbar-collapse {
    background: #fff;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    margin-top: 8px;
  }
  .site-nav .nav-link {
    padding: 12px 16px;
    border-bottom: none;
    border-left: 3px solid transparent;
  }
  .site-nav .nav-link.active {
    border-bottom: none;
    border-left-color: var(--primary);
    background: var(--primary-light);
    border-radius: 0 8px 8px 0;
  }
  .nav-actions {
    padding: 12px 16px 4px;
    flex-wrap: wrap;
  }
  .search-box { flex: 1; min-width: 180px; }
}

@media (max-width: 768px) {
  .article-body-wrapper { padding: 32px 0 16px; }
  .article-header h1 { font-size: 26px; }
  .article-meta { gap: 12px; }
  .article-cover img { aspect-ratio: 16 / 9; }
  .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .related-section { padding: 56px 0; margin-top: 32px; }
  .section-head h2 { font-size: 22px; }
  .cta-banner { padding: 44px 0; }
  .cta-banner h3 { font-size: 22px; }
  .back-entry { margin-top: 28px; }
}

@media (max-width: 576px) {
  .article-content-large { padding: 0 12px; }
  .article-header h1 { font-size: 24px; line-height: 1.5; }
  .article-body { font-size: 15px; line-height: 1.75; }
  .article-body h2 { font-size: 20px; }
  .article-body h3 { font-size: 17px; }
  .article-cover { margin: 20px 0 28px; }
  .article-cover img { aspect-ratio: 4 / 3; }
  .related-section { padding: 44px 0; }
  .section-head { margin-bottom: 26px; }
  .cta-banner h3 { font-size: 20px; }
  .brand-text { font-size: 14px; letter-spacing: 0.5px; }
  .site-nav .brand-icon { width: 32px; height: 32px; font-size: 12px; }
}

/* roulang page: category1 */
:root {
      --primary: #2E6FA8;
      --primary-soft: #EAF2F8;
      --accent: #0E8A7D;
      --accent-dark: #0B6F65;
      --bg-main: #FFFFFF;
      --bg-alt: #F7FAFC;
      --text-main: #1A2B3C;
      --text-sub: #5A6B7D;
      --text-muted: #8A99A8;
      --border: #E2EAF0;
      --gold: #C9A063;
      --footer-bg: #122A3A;
      --footer-bottom: #0E2230;
      --radius-sm: 8px;
      --radius-card: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(46, 111, 168, 0.06);
      --shadow-hover: 0 8px 24px rgba(46, 111, 168, 0.12);
      --section-gap: 96px;
      --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-family);
      background: var(--bg-main);
      color: var(--text-main);
      font-size: 15px;
      line-height: 1.7;
      letter-spacing: 0.3px;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.25s ease;
    }

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

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      color: var(--text-main);
      letter-spacing: 2px;
      font-weight: 700;
    }

    h1 {
      font-size: 36px;
      line-height: 1.3;
    }

    h2 {
      font-size: 28px;
    }

    h3 {
      font-size: 18px;
      font-weight: 600;
    }

    a:focus-visible,
    button:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(46, 111, 168, 0.3);
      border-radius: 6px;
    }

    .container {
      max-width: 1200px;
    }

    /* 导航 */
    .site-nav {
      min-height: 72px;
      background: #ffffff;
      border-bottom: 1px solid #E8EFF4;
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
      padding-top: 0;
      padding-bottom: 0;
    }

    .site-nav .container {
      min-height: 72px;
      display: flex;
      align-items: center;
      flex-wrap: nowrap;
    }

    .site-nav .navbar-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 0;
      padding: 0;
    }

    .brand-icon {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      letter-spacing: 0;
      flex-shrink: 0;
    }

    .brand-text {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: 1px;
      white-space: nowrap;
    }

    .navbar-nav {
      gap: 4px;
    }

    .navbar .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-sub);
      padding: 8px 14px !important;
      border-radius: 8px;
      position: relative;
      transition: color 0.25s, background 0.25s;
    }

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

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

    .navbar .nav-link.active::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 2px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-left: 8px;
    }

    .search-box {
      width: 200px;
      height: 38px;
      background: #ffffff;
      border: 1px solid #D5DEE6;
      border-radius: 8px;
      display: flex;
      align-items: center;
      padding: 0 10px;
      transition: border-color 0.25s, box-shadow 0.25s;
    }

    .search-box .search-icon {
      color: var(--text-muted);
      font-size: 14px;
      margin-right: 6px;
      flex-shrink: 0;
    }

    .search-box input {
      border: none;
      outline: none;
      background: transparent;
      font-size: 13px;
      color: var(--text-main);
      width: 100%;
    }

    .search-box:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px var(--primary-soft);
    }

    .btn-consult {
      height: 40px;
      background: var(--accent);
      color: #ffffff;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 0 18px;
      border: none;
      white-space: nowrap;
      transition: all 0.25s;
    }

    .btn-consult:hover {
      background: var(--accent-dark);
      color: #ffffff;
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(14, 138, 125, 0.25);
    }

    .navbar-toggler {
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 6px 10px;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 3px var(--primary-soft);
    }

    /* Hero */
    .hero-section {
      background: linear-gradient(135deg, var(--primary-soft) 0%, #ffffff 60%);
      padding: 72px 0 64px;
      position: relative;
      overflow: hidden;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #ffffff;
      border: 1px solid var(--border);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 40px;
      margin-bottom: 20px;
    }

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

    .hero-title {
      font-size: 36px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .hero-title .highlight {
      color: var(--primary);
    }

    .hero-subtitle {
      font-size: 16px;
      color: var(--text-sub);
      max-width: 520px;
      margin-bottom: 28px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 28px;
    }

    .btn-primary-custom {
      height: 46px;
      padding: 0 28px;
      background: var(--accent);
      color: #ffffff;
      border: none;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.25s;
      cursor: pointer;
    }

    .btn-primary-custom:hover {
      background: var(--accent-dark);
      color: #ffffff;
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(14, 138, 125, 0.3);
    }

    .btn-outline-custom {
      height: 46px;
      padding: 0 28px;
      background: transparent;
      color: var(--primary);
      border: 1px solid var(--primary);
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.25s;
      cursor: pointer;
    }

    .btn-outline-custom:hover {
      background: var(--primary-soft);
      color: var(--primary);
      transform: translateY(-1px);
    }

    .hero-trust {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      font-size: 13px;
      color: var(--text-sub);
    }

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

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

    .hero-image-wrap {
      text-align: center;
      padding-left: 20px;
    }

    .hero-image-frame {
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-hover);
      display: inline-block;
      max-width: 100%;
    }

    .hero-image-frame img {
      width: 100%;
      max-height: 380px;
      object-fit: cover;
    }

    /* 通用板块 */
    .section {
      padding: var(--section-gap) 0;
    }

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

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

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary-soft);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 6px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-main);
      margin: 0 0 10px;
      line-height: 1.4;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-sub);
      margin-bottom: 0;
      max-width: 640px;
    }

    /* 资讯卡片 */
    .news-card {
      background: #ffffff;
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      transition: all 0.3s;
      height: 100%;
      display: flex;
    }

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

    .news-card-row {
      display: flex;
      width: 100%;
    }

    .news-card-img {
      width: 160px;
      flex-shrink: 0;
      overflow: hidden;
      position: relative;
    }

    .news-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.35s;
    }

    .news-card:hover .news-card-img img {
      transform: scale(1.03);
    }

    .news-card-body {
      padding: 22px 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .news-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .news-tag::before {
      content: "";
      width: 4px;
      height: 12px;
      background: var(--primary);
      border-radius: 2px;
    }

    .news-card-title {
      font-size: 18px;
      font-weight: 600;
      line-height: 1.4;
      margin-bottom: 8px;
      color: var(--text-main);
      letter-spacing: 1px;
    }

    .news-card-title a {
      color: var(--text-main);
      transition: color 0.25s;
    }

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

    .news-card-summary {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 12px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-card-meta {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
    }

    .news-card-link {
      font-size: 13px;
      font-weight: 500;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: color 0.25s;
    }

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

    /* 栏目价值 */
    .feature-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      overflow: hidden;
    }

    .feature-row {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      padding: 28px 32px;
      transition: background 0.25s;
      border-bottom: 1px solid var(--border);
    }

    .feature-row:last-child {
      border-bottom: none;
    }

    .feature-row:hover {
      background: #F8FAFD;
    }

    .feature-icon {
      width: 52px;
      height: 52px;
      background: var(--primary-soft);
      color: var(--primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      flex-shrink: 0;
    }

    .feature-info {
      flex: 1;
    }

    .feature-info h3 {
      margin: 0 0 6px;
      font-size: 18px;
      font-weight: 600;
      color: var(--text-main);
    }

    .feature-info p {
      margin: 0;
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      max-width: 640px;
    }

    .feature-arrow {
      color: var(--text-muted);
      font-size: 18px;
      padding-top: 14px;
      flex-shrink: 0;
    }

    /* FAQ */
    .faq-wrap {
      max-width: 860px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      margin-bottom: 12px;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: border-color 0.25s, background 0.25s;
    }

    .faq-item.active {
      border-color: var(--primary);
      background: #F8FAFD;
    }

    .faq-question {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 20px 24px;
      cursor: pointer;
      user-select: none;
    }

    .faq-q {
      width: 28px;
      height: 28px;
      background: var(--primary-soft);
      color: var(--primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 700;
      flex-shrink: 0;
    }

    .faq-text {
      flex: 1;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      line-height: 1.5;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      background: #F1F5F8;
      color: var(--primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 600;
      line-height: 1;
      flex-shrink: 0;
      transition: background 0.25s, transform 0.25s;
    }

    .faq-item.active .faq-icon {
      background: var(--primary);
      color: #ffffff;
      transform: rotate(180deg);
    }

    .faq-answer {
      display: flex;
      gap: 12px;
      padding: 0 24px 20px 52px;
    }

    .faq-a {
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 700;
      flex-shrink: 0;
    }

    .faq-answer p {
      margin: 0;
      font-size: 14px;
      line-height: 1.8;
      color: var(--text-sub);
    }

    /* CTA */
    .cta-banner {
      background: linear-gradient(135deg, var(--primary) 0%, #3A7FBC 100%);
      border-radius: 20px;
      padding: 56px 48px;
      text-align: center;
      box-shadow: 0 12px 32px rgba(46, 111, 168, 0.25);
      position: relative;
      overflow: hidden;
    }

    .cta-banner::after {
      content: "";
      position: absolute;
      right: -40px;
      top: -40px;
      width: 200px;
      height: 200px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 50%;
    }

    .cta-banner h3 {
      font-size: 26px;
      font-weight: 700;
      color: #ffffff;
      margin: 0 0 12px;
      letter-spacing: 2px;
      position: relative;
      z-index: 1;
    }

    .cta-banner p {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.85);
      margin: 0 0 28px;
      line-height: 1.7;
      position: relative;
      z-index: 1;
    }

    .cta-actions {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 12px;
      position: relative;
      z-index: 1;
    }

    .btn-cta-primary {
      height: 46px;
      padding: 0 30px;
      background: #ffffff;
      color: var(--primary);
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border: none;
      transition: all 0.25s;
    }

    .btn-cta-primary:hover {
      background: var(--primary-soft);
      color: var(--primary);
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .btn-cta-outline {
      height: 46px;
      padding: 0 30px;
      background: transparent;
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.7);
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.25s;
    }

    .btn-cta-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      color: #ffffff;
      transform: translateY(-1px);
    }

    /* 页脚 */
    .site-footer {
      background: var(--footer-bg);
      color: #B7C7D4;
      font-size: 14px;
    }

    .footer-top-line {
      height: 48px;
      background: linear-gradient(90deg, var(--primary), var(--accent), var(--gold));
      opacity: 0.35;
    }

    .site-footer .container {
      padding-top: 56px;
      padding-bottom: 40px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
    }

    .footer-brand .brand-text {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
    }

    .footer-desc {
      font-size: 13px;
      color: #8FA5B5;
      line-height: 1.7;
      margin-bottom: 0;
      max-width: 260px;
    }

    .footer-title {
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 16px;
      letter-spacing: 1px;
    }

    .footer-links,
    .footer-contact {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links a {
      color: #B7C7D4;
      font-size: 14px;
      display: inline-block;
      padding-left: 0;
      transition: color 0.25s, padding-left 0.25s;
    }

    .footer-links a:hover {
      color: #ffffff;
      padding-left: 6px;
    }

    .footer-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
      color: #B7C7D4;
      font-size: 14px;
    }

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

    .footer-bottom {
      background: var(--footer-bottom);
      padding: 18px 0;
      text-align: center;
      font-size: 12px;
      color: #7D94A5;
    }

    .footer-bottom .container {
      padding: 0 12px;
    }

    /* 响应式 */
    @media (max-width: 991.98px) {
      .site-nav {
        min-height: 72px;
      }

      .navbar-collapse {
        background: #ffffff;
        padding: 16px;
        border-radius: 12px;
        margin-top: 8px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
      }

      .nav-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        margin-top: 10px;
      }

      .search-box {
        width: 100%;
      }

      .btn-consult {
        justify-content: center;
      }

      .hero-section {
        padding: 56px 0 40px;
      }

      .hero-title {
        font-size: 32px;
      }

      .hero-image-wrap {
        margin-top: 32px;
        padding-left: 0;
      }

      .news-card-row {
        flex-direction: row;
      }
    }

    @media (max-width: 767.98px) {
      :root {
        --section-gap: 56px;
      }

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

      .hero-title {
        font-size: 28px;
      }

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

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

      .news-card-row {
        flex-direction: column;
      }

      .news-card-img {
        width: 100%;
        height: 180px;
      }

      .feature-row {
        flex-direction: column;
        gap: 14px;
        padding: 24px 20px;
      }

      .feature-arrow {
        display: none;
      }

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

      .faq-answer {
        padding: 0 18px 18px 44px;
      }

      .cta-banner {
        padding: 40px 24px;
        border-radius: 16px;
      }

      .cta-banner h3 {
        font-size: 22px;
      }

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

      .btn-cta-primary,
      .btn-cta-outline {
        justify-content: center;
      }
    }

    @media (max-width: 575.98px) {
      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn-primary-custom,
      .btn-outline-custom {
        justify-content: center;
      }

      .hero-trust {
        justify-content: center;
      }

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

/* roulang page: category3 */
:root {
            --primary: #2E6FA8;
            --primary-light: #EAF2F8;
            --accent: #0E8A7D;
            --accent-hover: #0B6F65;
            --bg-main: #FFFFFF;
            --bg-alt: #F7FAFC;
            --text-main: #1A2B3C;
            --text-secondary: #5A6B7D;
            --text-muted: #8A99A8;
            --border: #E2EAF0;
            --gold: #C9A063;
            --card-shadow: 0 2px 8px rgba(46, 111, 168, 0.06);
            --card-shadow-hover: 0 8px 24px rgba(46, 111, 168, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-lg: 16px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

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

        body {
            font-family: var(--font-family);
            background: var(--bg-main);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            letter-spacing: 0.3px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s, box-shadow .2s, transform .2s;
        }

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

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        /* ===== 导航 ===== */
        .site-nav {
            background: #fff;
            min-height: 72px;
            padding: 0;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
            border-bottom: 1px solid #E8EFF4;
        }

        .site-nav .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            font-weight: 700;
            color: var(--text-main);
            font-size: 16px;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .brand-text {
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

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

        .site-nav .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 16px !important;
            border-radius: 6px;
            position: relative;
            transition: all .2s;
        }

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

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

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

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

        .search-box {
            display: flex;
            align-items: center;
            background: #F9FBFD;
            border: 1px solid #D5DEE6;
            border-radius: 8px;
            padding: 0 12px;
            height: 40px;
            width: 200px;
            transition: border-color .2s, box-shadow .2s;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 111, 168, 0.12);
        }

        .search-box .search-icon {
            color: var(--text-muted);
            font-size: 13px;
            margin-right: 8px;
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--text-main);
            width: 100%;
        }

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

        .btn-consult {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 8px;
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
            font-weight: 600;
            transition: all .2s;
            white-space: nowrap;
        }

        .btn-consult:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(14, 138, 125, 0.25);
        }

        .navbar-toggler {
            border-color: var(--border);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(46, 111, 168, 0.12);
        }

        /* ===== Hero ===== */
        .coop-hero {
            background: linear-gradient(135deg, var(--primary-light) 0%, #FFFFFF 100%);
            padding: 88px 0 72px;
            position: relative;
            overflow: hidden;
        }

        .coop-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(46, 111, 168, 0.06);
        }

        .coop-hero .hero-inner {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(46, 111, 168, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 18px;
        }

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

        .coop-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 2px;
            line-height: 1.25;
            margin-bottom: 20px;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border: 2px solid transparent;
            transition: all .2s;
            cursor: pointer;
        }

        .btn-main:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(14, 138, 125, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 10px 26px;
            font-size: 15px;
            font-weight: 600;
            transition: all .2s;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(46, 111, 168, 0.2);
        }

        .hero-trust {
            display: flex;
            gap: 22px;
            flex-wrap: wrap;
        }

        .hero-trust span {
            font-size: 13px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust i {
            color: var(--accent);
            font-size: 14px;
        }

        .hero-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow-hover);
            border: 1px solid var(--border);
        }

        .hero-img-wrap img {
            width: 100%;
            display: block;
            object-fit: cover;
        }

        .hero-img-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(26, 43, 60, 0.82);
            color: #fff;
            padding: 10px 16px;
            border-radius: 10px;
            font-size: 13px;
            line-height: 1.5;
            backdrop-filter: blur(4px);
        }

        /* ===== 流程 ===== */
        .process-section {
            padding: 96px 0;
            background: var(--bg-main);
        }

        .section-head {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-head .section-sub {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            letter-spacing: 3px;
            margin-bottom: 8px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-step {
            position: relative;
            background: var(--bg-main);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 24px 26px;
            box-shadow: var(--card-shadow);
            transition: all .25s;
            text-align: left;
            z-index: 1;
        }

        .process-step:hover {
            box-shadow: var(--card-shadow-hover);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .process-step::before {
            content: '';
            position: absolute;
            top: 50%;
            right: -24px;
            width: 24px;
            border-top: 2px dashed var(--border);
            z-index: 0;
        }

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

        .step-num {
            font-size: 32px;
            font-weight: 700;
            color: rgba(46, 111, 168, 0.18);
            line-height: 1;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .step-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .step-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== 优势对比 ===== */
        .advantage-section {
            padding: 96px 0;
            background: var(--bg-alt);
        }

        .compare-wrapper {
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--card-shadow);
        }

        .compare-row {
            display: grid;
            grid-template-columns: 170px 1fr 1.15fr;
        }

        .compare-row+.compare-row {
            border-top: 1px solid var(--border);
        }

        .compare-row>div {
            padding: 18px 20px;
            font-size: 14px;
            line-height: 1.6;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-header {
            background: var(--bg-alt);
            font-weight: 600;
            color: var(--text-main);
            font-size: 14px !important;
        }

        .compare-item-label {
            font-weight: 600;
            color: var(--text-main);
            background: #FBFCFE;
            border-right: 1px solid var(--border);
        }

        .compare-old-col {
            color: var(--text-secondary);
            border-right: 1px solid var(--border);
        }

        .compare-new-col {
            background: var(--primary-light);
            color: var(--text-main);
            font-weight: 500;
            border-left: 3px solid var(--accent);
        }

        .compare-old-col i,
        .compare-new-col i {
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .compare-old-col i.fa-times {
            color: #C0392B;
            font-size: 13px;
        }

        .compare-new-col i.fa-check {
            color: var(--accent);
            font-size: 14px;
        }

        .compare-row .muted-text {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== 合作内容 ===== */
        .service-extra {
            padding: 72px 0 0;
        }

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

        .extra-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            display: flex;
            gap: 18px;
            transition: all .25s;
            box-shadow: var(--card-shadow);
        }

        .extra-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .extra-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .extra-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .extra-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-banner {
            padding: 96px 0;
            background: var(--bg-main);
        }

        .cta-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: linear-gradient(135deg, #2E6FA8 0%, #1D4B73 100%);
            padding: 64px 56px;
            text-align: center;
            box-shadow: 0 16px 40px rgba(29, 75, 115, 0.3);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
        }

        .cta-box>* {
            position: relative;
            z-index: 1;
        }

        .cta-box h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 2px;
            margin-bottom: 14px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 16px;
            margin: 0 auto 30px;
            max-width: 560px;
            line-height: 1.8;
        }

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

        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 32px;
            font-size: 15px;
            font-weight: 700;
            transition: all .2s;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .btn-cta-white:hover {
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.75);
            border-radius: var(--radius-btn);
            padding: 10px 30px;
            font-size: 15px;
            font-weight: 600;
            transition: all .2s;
        }

        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }

        .cta-note {
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #122A3A;
            color: #B7C7D4;
            font-size: 14px;
        }

        .footer-top-line {
            height: 2px;
            background: var(--primary);
            opacity: 0.6;
        }

        .site-footer .container {
            padding-top: 48px;
            padding-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-brand .brand-icon {
            background: var(--primary);
        }

        .footer-desc {
            font-size: 13px;
            color: rgba(183, 199, 212, 0.85);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 260px;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

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

        .footer-links a {
            color: #B7C7D4;
            font-size: 14px;
            transition: all .2s;
            display: inline-block;
            padding-left: 0;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
            border-left: 3px solid var(--primary);
            padding-left: 10px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 14px;
        }

        .footer-contact i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            background: #0E2230;
            padding: 14px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(183, 199, 212, 0.6);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .site-nav .navbar-collapse {
                background: #fff;
                padding: 16px;
                border-radius: 0 0 12px 12px;
                box-shadow: var(--card-shadow-hover);
                border: 1px solid var(--border);
            }

            .nav-actions {
                margin-top: 14px;
                flex-wrap: wrap;
            }

            .search-box {
                width: 100%;
            }

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

            .coop-hero {
                padding: 56px 0;
            }

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

            .hero-img-wrap {
                margin-top: 36px;
            }

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

            .process-step:nth-child(2)::before {
                display: none;
            }

            .compare-row {
                grid-template-columns: 1fr 1fr 1.2fr;
            }
        }

        @media (max-width: 767.98px) {
            .process-steps {
                grid-template-columns: 1fr;
            }

            .process-step::before {
                display: none !important;
            }

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

            .compare-wrapper {
                overflow-x: auto;
            }

            .compare-row {
                min-width: 580px;
            }

            .cta-box {
                padding: 40px 24px;
            }

            .cta-box h2 {
                font-size: 22px;
            }

            .section-head h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 575.98px) {
            .coop-hero h1 {
                font-size: 28px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .btn-main,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .hero-trust {
                gap: 10px 16px;
            }

            .process-section,
            .advantage-section,
            .cta-banner {
                padding: 56px 0;
            }

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

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2E6FA8;
            --primary-dark: #1D4E7A;
            --primary-light: #EAF2F8;
            --secondary: #0E8A7D;
            --secondary-hover: #0B6F65;
            --body-bg: #FFFFFF;
            --alt-bg: #F7FAFC;
            --text-main: #1A2B3C;
            --text-sub: #5A6B7D;
            --text-muted: #8A99A8;
            --border: #E2EAF0;
            --gold: #C9A063;
            --shadow-sm: 0 2px 8px rgba(46, 111, 168, 0.06);
            --shadow-lg: 0 8px 24px rgba(46, 111, 168, 0.12);
            --radius-md: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.25s ease;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-base);
            color: var(--text-main);
            background: var(--body-bg);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-base);
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            letter-spacing: 2px;
            color: var(--text-main);
        }
        p {
            letter-spacing: 0.5px;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
        }

        /* ===== 导航 ===== */
        .site-nav {
            height: 72px;
            background: #fff;
            border-bottom: 1px solid #E8EFF4;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
            padding-top: 0;
            padding-bottom: 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 0;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
        }
        .navbar .navbar-toggler {
            border: none;
            padding: 6px;
            border-radius: 8px;
        }
        .navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(46, 111, 168, 0.15);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26,43,60,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-nav .nav-item {
            margin: 0 4px;
        }
        .navbar-nav .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            padding: 8px 14px;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
            box-shadow: inset 0 -2px 0 var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #fff;
            border: 1px solid #D5DEE6;
            border-radius: 8px;
            height: 40px;
            padding: 0 12px;
            width: 200px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 111, 168, 0.1);
        }
        .search-icon {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 8px;
        }
        .search-box input {
            border: none;
            outline: none;
            flex: 1;
            font-size: 13px;
            color: var(--text-main);
            background: transparent;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .btn-consult {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--secondary);
            color: #fff;
            border: none;
            border-radius: 8px;
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-consult:hover {
            background: var(--secondary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(14, 138, 125, 0.25);
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            padding: 72px 0 64px;
            background: linear-gradient(135deg, #EAF2F8 0%, #FFFFFF 100%);
            position: relative;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }
        .category-hero h1 span {
            color: var(--primary);
        }
        .hero-desc {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 480px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-trust .trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-trust .trust-item i {
            color: var(--secondary);
            font-size: 14px;
        }

        /* 数据面板 */
        .data-panel-card {
            background: rgba(255, 255, 255, 0.88);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.92);
            box-shadow: var(--shadow-lg);
            padding: 24px;
            max-width: 440px;
            margin-left: auto;
            transition: var(--transition);
        }
        .data-panel-card:hover {
            box-shadow: 0 12px 32px rgba(46, 111, 168, 0.16);
        }
        .dp-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }
        .dp-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }
        .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            position: relative;
        }
        .live-dot::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            background: rgba(14, 138, 125, 0.25);
            animation: pulse 1.6s infinite;
        }
        @keyframes pulse {
            0% {
                transform: scale(0.8);
                opacity: 1;
            }
            100% {
                transform: scale(1.4);
                opacity: 0;
            }
        }
        .dp-badge {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 20px;
        }
        .dp-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 16px;
        }
        .dp-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #F8FAFD;
            border-radius: 8px;
            padding: 10px 14px;
            border: 1px solid #F0F4F8;
            transition: var(--transition);
        }
        .dp-row:hover {
            background: var(--primary-light);
            border-color: rgba(46, 111, 168, 0.15);
        }
        .dp-match {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-main);
            font-weight: 500;
        }
        .dp-league {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 500;
            letter-spacing: 0;
        }
        .dp-status {
            font-size: 12px;
            color: var(--text-muted);
            background: #F0F2F4;
            padding: 2px 8px;
            border-radius: 4px;
            white-space: nowrap;
        }
        .dp-status.status-live {
            background: rgba(14, 138, 125, 0.1);
            color: var(--secondary);
            font-weight: 500;
        }
        .dp-footer {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        .dp-footer i {
            color: var(--primary);
        }

        /* ===== 通用按钮 ===== */
        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary);
            color: #fff;
            border: none;
            border-radius: 8px;
            height: 46px;
            padding: 0 28px;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .btn-main:hover {
            background: var(--secondary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(14, 138, 125, 0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: 8px;
            height: 46px;
            padding: 0 24px;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 96px 0;
        }
        .section-padding-sm {
            padding: 64px 0;
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .section-label::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 640px;
        }

        /* ===== 指标看板 ===== */
        .metric-section {
            padding: 72px 0 24px;
            background: var(--body-bg);
        }
        .metric-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(46, 111, 168, 0.2);
        }
        .metric-card.featured {
            background: var(--primary);
            border-color: var(--primary);
        }
        .metric-card.featured .metric-number,
        .metric-card.featured .metric-label,
        .metric-card.featured .metric-desc {
            color: #fff;
        }
        .metric-card.featured .metric-icon {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }
        .metric-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 10px;
            font-size: 18px;
            margin-bottom: 16px;
        }
        .metric-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.2;
            letter-spacing: 0;
        }
        .metric-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-top: 4px;
        }
        .metric-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            line-height: 1.6;
        }

        /* ===== 数据表格区 ===== */
        .data-table-section {
            padding: 64px 0;
            background: var(--alt-bg);
        }
        .table-wrapper {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow: hidden;
        }
        .table-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .data-table {
            margin-bottom: 0;
            width: 100%;
            min-width: 720px;
            border-collapse: separate;
            border-spacing: 0;
        }
        .data-table thead th {
            background: var(--primary-light);
            color: var(--text-main);
            font-weight: 600;
            font-size: 14px;
            padding: 14px 18px;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .data-table thead th:first-child {
            border-top-left-radius: 12px;
        }
        .data-table thead th:last-child {
            border-top-right-radius: 12px;
        }
        .data-table tbody td {
            padding: 14px 18px;
            font-size: 14px;
            color: var(--text-sub);
            border-bottom: 1px solid #EEF2F6;
            vertical-align: middle;
        }
        .data-table tbody tr:last-child td {
            border-bottom: none;
        }
        .data-table tbody tr:nth-child(even) {
            background: #FAFCFE;
        }
        .data-table tbody tr:hover {
            background: var(--primary-light);
        }
        .table-match {
            font-weight: 500;
            color: var(--text-main);
            white-space: nowrap;
        }
        .table-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
        }
        .table-tag.success {
            background: rgba(14, 138, 125, 0.1);
            color: var(--secondary);
        }
        .table-note {
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .table-note i {
            color: var(--gold);
        }

        /* ===== 数据服务区 ===== */
        .service-section {
            padding: 96px 0;
            background: var(--body-bg);
        }
        .service-card-wide {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 32px;
            height: 100%;
            transition: var(--transition);
        }
        .service-card-wide:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: var(--transition);
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .service-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            font-size: 20px;
            margin-bottom: 18px;
            flex-shrink: 0;
        }
        .service-icon.green {
            background: rgba(14, 138, 125, 0.1);
            color: var(--secondary);
        }
        .service-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 1px;
        }
        .service-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            margin-top: 12px;
            transition: var(--transition);
        }
        .service-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }
        .service-img-wrap {
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
            width: 180px;
        }
        .service-img-wrap img {
            width: 100%;
            height: 120px;
            object-fit: cover;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--alt-bg);
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            background: #fff;
            overflow: hidden;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }
        .faq-accordion .accordion-item:hover {
            border-color: rgba(46, 111, 168, 0.25);
        }
        .faq-accordion .accordion-button {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .faq-accordion .accordion-button::after {
            content: '+';
            font-size: 22px;
            color: var(--primary);
            background-image: none;
            font-weight: 400;
            width: auto;
            height: auto;
            margin-left: auto;
            transition: transform 0.25s ease;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '−';
            transform: rotate(0deg);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #F8FAFD;
            color: var(--primary);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(46, 111, 168, 0.1);
            border-radius: 12px;
        }
        .q-mark {
            color: var(--primary);
            font-weight: 700;
            margin-right: 4px;
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px 28px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }
        .a-mark {
            color: var(--secondary);
            font-weight: 600;
            margin-right: 6px;
            font-size: 14px;
        }

        /* ===== CTA 横幅 ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--body-bg);
        }
        .cta-banner {
            background: linear-gradient(120deg, #1D4E7A 0%, #2E6FA8 60%, #3B7EB8 100%);
            border-radius: 20px;
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 28px;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-banner .container {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }
        .cta-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary);
            color: #fff;
            border: none;
            border-radius: 10px;
            height: 50px;
            padding: 0 30px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-cta:hover {
            background: var(--secondary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            border-radius: 10px;
            height: 50px;
            padding: 0 24px;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #122A3A;
            color: #B7C7D4;
            font-size: 14px;
        }
        .footer-top-line {
            height: 48px;
            background: linear-gradient(90deg, #122A3A, rgba(46, 111, 168, 0.4), #122A3A);
            opacity: 0.6;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand .brand-icon {
            background: rgba(255, 255, 255, 0.15);
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }
        .footer-desc {
            font-size: 12px;
            color: #8FA3B1;
            line-height: 1.7;
            max-width: 240px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #B7C7D4;
            font-size: 13px;
            text-decoration: none;
            transition: var(--transition);
            position: relative;
            padding-left: 0;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 8px;
        }
        .footer-links a:hover::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 14px;
            background: var(--primary);
            border-radius: 2px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: #B7C7D4;
            margin-bottom: 12px;
        }
        .footer-contact i {
            color: var(--primary);
            width: 16px;
            text-align: center;
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            background: #0E2230;
            font-size: 12px;
            color: #7A8FA0;
            text-align: center;
            margin-top: 40px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .site-nav {
                height: auto;
                min-height: 72px;
            }
            .navbar-collapse {
                background: #fff;
                padding: 16px 0 20px;
                border-radius: 0 0 12px 12px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            }
            .navbar-nav .nav-link {
                padding: 10px 16px;
            }
            .navbar-nav .nav-link.active {
                box-shadow: inset 3px 0 0 var(--primary);
            }
            .nav-actions {
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px 0;
            }
            .search-box {
                width: 100%;
            }
            .btn-consult {
                justify-content: center;
            }
            .category-hero {
                padding: 56px 0 48px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .data-panel-card {
                margin: 40px auto 0;
            }
            .section-padding {
                padding: 72px 0;
            }
            .service-card-wide {
                flex-direction: column;
                padding: 28px;
            }
            .service-img-wrap {
                width: 100%;
            }
            .service-img-wrap img {
                height: 180px;
            }
            .cta-banner {
                padding: 40px 28px;
            }
        }
        @media (max-width: 767.98px) {
            .category-hero h1 {
                font-size: 26px;
            }
            .metric-number {
                font-size: 30px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-padding {
                padding: 56px 0;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-title {
                font-size: 22px;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn-cta,
            .cta-actions .btn-cta-outline {
                width: 100%;
                justify-content: center;
            }
            .footer-top-line {
                height: 32px;
            }
            .footer-bottom {
                margin-top: 24px;
            }
        }
        @media (max-width: 575.98px) {
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero h1 {
                font-size: 24px;
                letter-spacing: 1px;
            }
            .hero-trust {
                gap: 12px;
                font-size: 12px;
            }
            .data-panel-card {
                padding: 18px;
            }
            .dp-row {
                padding: 8px 10px;
            }
            .dp-match {
                font-size: 12px;
            }
            .metric-card {
                padding: 22px 18px;
            }
            .service-card-wide,
            .service-card {
                padding: 24px 20px;
            }
            .table-wrapper {
                border-radius: 12px;
            }
            .faq-accordion .accordion-button {
                padding: 15px 16px;
                font-size: 15px;
            }
            .faq-accordion .accordion-body {
                padding: 0 16px 16px 22px;
            }
        }