/* roulang page: index */
:root {
  --primary: #2E75B6;
  --primary-dark: #1B5A96;
  --primary-light: #EAF2F9;
  --accent: #F2A900;
  --accent-hover: #FFB91A;
  --accent-light: #FFF8E6;
  --bg: #F5F8FC;
  --card-bg: #FFFFFF;
  --heading: #16233B;
  --text: #3D4C63;
  --muted: #7D8FA9;
  --border: #E4EBF3;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(21, 55, 110, 0.06);
  --shadow-lg: 0 8px 24px rgba(21, 55, 110, 0.10);
  --transition: 0.3s ease;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  --header-h: 76px;
  --footer-bg: #16233B;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  padding-bottom: 64px;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color .2s ease; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.container { max-width: 1200px; }

/* ===================== Header / Nav ===================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--card-bg);
  border-bottom: 1px solid transparent;
  transition: all .3s ease;
}
.main-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 16px rgba(21, 55, 110, 0.05);
}
.navbar-desktop {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 24px;
  position: relative;
}
.nav-brand-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 28px;
  font-weight: 800;
  color: var(--heading);
  letter-spacing: 2px;
  line-height: 1;
}
.nav-brand-center span { color: var(--primary); }
.nav-left, .nav-right { display: flex; align-items: center; gap: 8px; }
.nav-link-custom {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 20px;
  transition: all .25s ease;
}
.nav-link-custom:hover { color: var(--primary); background: var(--primary-light); }
.nav-link-custom.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.nav-right .nav-link-custom { margin-left: 2px; }

/* 移动端 */
.navbar-toggler {
  border: none;
  background: transparent;
  font-size: 22px;
  color: var(--heading);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}
.navbar-toggler:focus { box-shadow: none; }
.mobile-nav-panel {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  padding: 12px 20px 20px;
  display: none;
}
.mobile-nav-panel.show { display: block; animation: fadeDown .3s ease; }
.mobile-nav-panel a {
  display: block;
  padding: 12px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
}
.mobile-nav-panel a:hover { background: var(--primary-light); color: var(--primary); }
.mobile-nav-panel a.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===================== Hero ===================== */
.hero-section {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background: linear-gradient(to right, rgba(255,255,255,0.92), rgba(234,242,249,0.72)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 80px 0;
}
.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(245,248,252,0.6) 100%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--heading);
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.hero-subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 32px;
  max-width: 620px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 12px 30px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .3s ease;
  box-shadow: 0 4px 14px rgba(242, 169, 0, 0.3);
}
.btn-primary-custom:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 169, 0, 0.4);
  color: #fff;
}
.btn-outline-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--primary);
  font-size: 16px;
  font-weight: 600;
  padding: 12px 30px;
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .3s ease;
}
.btn-outline-custom:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  color: var(--primary);
}

/* ===================== Stats Bar ===================== */
.stats-section {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}
.stats-grid { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 16px; }
.stat-item { text-align: center; padding: 8px 24px; }
.stat-num {
  font-size: 38px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.stat-num span { color: var(--accent); }
.stat-label { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ===================== Feature 2+1 ===================== */
.feature-section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 12px;
}
.section-desc {
  font-size: 16px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}
.feature-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; }
.feature-main-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 320px;
  position: relative;
  overflow: hidden;
}
.feature-main-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
}
.feature-main-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.feature-main-card .icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary);
  margin-bottom: 20px;
}
.feature-main-card h3 { font-size: 22px; font-weight: 700; color: var(--heading); margin-bottom: 12px; }
.feature-main-card p { font-size: 15px; line-height: 1.8; color: var(--text); margin-bottom: 0; }
.feature-side { display: flex; flex-direction: column; gap: 24px; }
.feature-small-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all .3s ease;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  flex: 1;
}
.feature-small-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-small-card .icon-wrap {
  min-width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  color: var(--accent);
}
.feature-small-card h4 { font-size: 17px; font-weight: 600; color: var(--heading); margin-bottom: 6px; }
.feature-small-card p { font-size: 14px; line-height: 1.7; color: var(--text); margin-bottom: 0; }

/* ===================== Scene Showcase ===================== */
.scene-section { padding: 80px 0; background: #fff; }
.scene-row { display: flex; align-items: center; gap: 50px; margin-bottom: 56px; }
.scene-row:last-child { margin-bottom: 0; }
.scene-row.reverse { flex-direction: row-reverse; }
.scene-img-wrap {
  flex: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.scene-img-wrap img { width: 100%; height: 300px; object-fit: cover; transition: transform .5s ease; }
.scene-img-wrap:hover img { transform: scale(1.03); }
.scene-content { flex: 1; padding: 20px 0; }
.scene-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.scene-content h3 { font-size: 26px; font-weight: 700; color: var(--heading); margin-bottom: 14px; line-height: 1.4; }
.scene-content p { font-size: 15px; color: var(--text); line-height: 1.8; margin-bottom: 18px; }
.scene-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: all .25s ease;
}
.scene-link:hover { border-bottom-color: var(--primary); color: var(--primary-dark); }

/* ===================== Social Proof ===================== */
.proof-section { padding: 80px 0; }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
.testimonial-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all .3s ease;
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testimonial-stars { color: var(--accent); font-size: 15px; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-text { font-size: 14px; line-height: 1.8; color: var(--text); margin-bottom: 20px; font-style: italic; }
.testimonial-user { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
}
.testimonial-name { font-size: 14px; font-weight: 600; color: var(--heading); }
.testimonial-role { font-size: 12px; color: var(--muted); }
.logo-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 24px 48px;
  padding: 32px 0 8px;
  border-top: 1px solid var(--border);
}
.logo-item {
  font-size: 18px;
  font-weight: 700;
  color: #B0BCC9;
  filter: grayscale(1);
  opacity: 0.8;
  transition: all .3s ease;
  letter-spacing: 1px;
}
.logo-item:hover { opacity: 1; filter: none; color: var(--primary); }

/* ===================== News / CMS ===================== */
.news-section { padding: 80px 0; background: #fff; }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.news-card-img { height: 180px; overflow: hidden; position: relative; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-card-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.news-cat {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 20px;
}
.news-card h3 { font-size: 17px; font-weight: 600; color: var(--heading); line-height: 1.5; margin-bottom: 8px;}
.news-card h3 a:hover { color: var(--primary); }
.news-summary {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-bottom: 12px;
}
.news-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
}
.news-more:hover { color: var(--primary-dark); gap: 8px; }
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  color: var(--muted);
  font-size: 15px;
}
.news-empty i { font-size: 34px; display: block; margin-bottom: 12px; color: #C0CCD9; }

/* ===================== FAQ ===================== */
.faq-section { padding: 80px 0; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all .3s ease;
}
.faq-item.active { box-shadow: var(--shadow-lg); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--heading);
  user-select: none;
}
.faq-icon {
  min-width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: all .3s ease;
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
  border-left: 3px solid var(--primary);
  margin: 0 24px 20px;
  background: var(--bg);
  border-radius: 0 8px 8px 0;
  padding: 14px 16px;
}
.faq-item.active .faq-answer { max-height: 300px; }

/* ===================== Contact Form ===================== */
.contact-section { padding: 80px 0; background: #fff; }
.contact-wrap { max-width: 760px; margin: 0 auto; }
.contact-form .form-label { font-size: 13px; font-weight: 600; color: var(--heading); margin-bottom: 6px; }
.contact-form .form-control, .contact-form .form-select {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 15px;
  color: var(--heading);
  background: var(--bg);
  transition: all .25s ease;
}
.contact-form .form-control:focus, .contact-form .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46, 117, 182, 0.15);
  background: #fff;
}

/* ===================== Bottom CTA ===================== */
.cta-section {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #1B5A96 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.cta-section h2 { font-size: 32px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.cta-section p { font-size: 16px; color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 28px; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  padding: 14px 40px;
  border: none;
  border-radius: var(--radius-sm);
  transition: all .3s ease;
  box-shadow: 0 4px 18px rgba(242, 169, 0, 0.35);
}
.cta-btn:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(242, 169, 0, 0.45); color: #fff; }

/* ===================== Footer ===================== */
.main-footer {
  background: var(--footer-bg);
  color: rgba(255,255,255,0.6);
  padding: 64px 0 0;
  font-size: 14px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
.footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 14px; letter-spacing: 1px; }
.footer-brand span { color: var(--accent); }
.footer-about { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); }
.footer-col h5 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h5::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--accent); border-radius: 2px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.6); font-size: 14px; transition: all .2s ease; }
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact i { color: var(--accent); margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ===================== Bottom Conversion Bar ===================== */
.conversion-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 -4px 20px rgba(21, 55, 110, 0.08);
}
.conversion-bar-text { font-size: 15px; font-weight: 600; color: var(--heading); }
.conversion-bar-text i { color: var(--accent); margin-right: 6px; }
.conversion-bar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 22px;
  border: none;
  border-radius: var(--radius-sm);
  transition: all .3s ease;
  box-shadow: 0 2px 10px rgba(242, 169, 0, 0.3);
}
.conversion-bar-btn:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); }

/* ===================== Responsive ===================== */
@media (max-width: 1200px) {
  .container { max-width: 960px; }
}
@media (max-width: 992px) {
  .navbar-desktop .nav-left, .navbar-desktop .nav-right { display: none; }
  .navbar-toggler { display: inline-flex; }
  .mobile-nav-panel.show { display: block; }
  .nav-brand-center { position: static; transform: none; font-size: 24px; }
  .navbar-desktop { justify-content: space-between; }
  .feature-grid { grid-template-columns: 1fr; }
  .scene-row, .scene-row.reverse { flex-direction: column; gap: 24px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero-title { font-size: 30px; }
  .stats-grid { gap: 12px; }
  .stat-num { font-size: 28px; }
  .section-title { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .conversion-bar { padding: 8px 16px; }
  .conversion-bar-text { font-size: 13px; }
  .conversion-bar-btn { padding: 8px 16px; font-size: 13px; }
  .hero-section { min-height: 480px; padding: 60px 0; }
  .feature-main-card { padding: 28px 24px; }
}
@media (max-width: 576px) {
  .hero-title { font-size: 26px; }
  .hero-actions { flex-direction: column; }
  .btn-primary-custom, .btn-outline-custom { width: 100%; justify-content: center; }
  .stats-grid { flex-direction: column; align-items: center; }
  .scene-img-wrap img { height: 220px; }
  .news-card-img { height: 160px; }
  .conversion-bar-text span { display: none; }
}

/* roulang page: category1 */
:root {
    --primary: #2E75B6;
    --primary-dark: #1F5A8E;
    --primary-light: #E8F1F8;
    --accent: #F2A900;
    --accent-hover: #FFB820;
    --bg: #F5F8FC;
    --card-bg: #FFFFFF;
    --heading-color: #16233B;
    --body-color: #3D4C63;
    --muted-color: #7D8FA9;
    --border-color: #E3ECF5;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 12px rgba(21,55,110,0.06);
    --shadow-hover: 0 8px 24px rgba(21,55,110,0.10);
    --transition: all 0.3s ease;
    --font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
}

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

body {
    font-family: var(--font-family);
    background: var(--bg);
    color: var(--body-color);
    line-height: 1.7;
    padding-bottom: 64px;
    overflow-x: hidden;
}

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

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

ul, ol {
    padding-left: 0;
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--heading-color);
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.5rem;
}

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

/* ===== Buttons ===== */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    padding: 10px 26px;
    font-size: 15px;
    transition: var(--transition);
    border: 2px solid transparent;
}
.btn-primary-custom {
    background: var(--accent);
    color: #1A1A1A;
    border-color: var(--accent);
    box-shadow: 0 4px 14px rgba(242, 169, 0, 0.25);
}
.btn-primary-custom:hover,
.btn-primary-custom:focus {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #1A1A1A;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(242, 169, 0, 0.35);
}
.btn-outline-custom {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline-custom:hover,
.btn-outline-custom:focus {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
}
.btn-outline-light-custom {
    background: rgba(255, 255, 255, 0.85);
    color: var(--primary);
    border-color: rgba(255, 255, 255, 0.9);
}
.btn-outline-light-custom:hover {
    background: #FFFFFF;
    color: var(--primary-dark);
    border-color: #FFFFFF;
    transform: translateY(-2px);
}

/* ===== Header / Nav ===== */
.main-header {
    background: #FFFFFF;
    border-bottom: 1px solid transparent;
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: var(--transition);
}
.main-header.scrolled {
    border-bottom-color: var(--border-color);
    box-shadow: 0 4px 18px rgba(21, 55, 110, 0.08);
}
.navbar-desktop {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    min-height: 68px;
    position: relative;
}
.nav-brand-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 24px;
    font-weight: 800;
    color: var(--heading-color);
    letter-spacing: 1px;
    line-height: 1;
    padding: 8px 20px;
    background: var(--primary-light);
    border-radius: 40px;
    white-space: nowrap;
}
.nav-brand-center span {
    color: var(--primary);
}
.nav-left {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-right {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link-custom {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 500;
    color: var(--body-color);
}
.nav-link-custom:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.nav-link-custom.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 600;
}
.navbar-toggler-custom {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--heading-color);
    cursor: pointer;
    padding: 8px 12px;
}
.mobile-nav-panel {
    display: none;
    background: #FFFFFF;
    border-top: 1px solid var(--border-color);
    padding: 12px 20px 18px;
    flex-direction: column;
    gap: 4px;
}
.mobile-nav-panel.open {
    display: flex;
}
.mobile-nav-panel a {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--body-color);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.mobile-nav-panel a:hover,
.mobile-nav-panel a.active {
    color: var(--primary);
    background: var(--primary-light);
}

/* ===== Sticky CTA Bar ===== */
.sticky-cta-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(21, 55, 110, 0.08);
    padding: 8px 0;
}
.sticky-cta-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.sticky-cta-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--heading-color);
    margin: 0;
}
.sticky-cta-text i {
    color: var(--accent);
    margin-right: 6px;
}
.sticky-cta-bar .btn {
    padding: 8px 22px;
    font-size: 14px;
}

/* ===== Page Hero ===== */
.page-hero {
    position: relative;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    padding: 110px 0 120px;
    text-align: center;
    overflow: hidden;
}
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(232, 241, 248, 0.78) 50%, rgba(255, 255, 255, 0.85) 100%);
    z-index: 1;
}
.page-hero .container {
    position: relative;
    z-index: 2;
}
.hero-badge {
    display: inline-block;
    background: rgba(46, 117, 182, 0.12);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 20px;
    border-radius: 40px;
    letter-spacing: 1px;
    margin-bottom: 18px;
    border: 1px solid rgba(46, 117, 182, 0.18);
}
.page-hero h1 {
    font-size: 44px;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 18px;
}
.page-hero h1 span {
    color: var(--primary);
}
.hero-subtitle {
    font-size: 17px;
    color: var(--body-color);
    max-width: 620px;
    margin: 0 auto 32px;
    line-height: 1.8;
}
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== Section Shared ===== */
.section-block {
    padding: 80px 0;
}
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 16px;
    border-radius: 40px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}
.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}
.section-header p {
    font-size: 15px;
    color: var(--muted-color);
    max-width: 560px;
    margin: 0 auto;
}

/* ===== Feature Cards ===== */
.feature-section {
    padding: 80px 0 40px;
}
.feature-grid .row {
    margin: 0 -12px;
}
.feature-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 34px 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    border: 1px solid transparent;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(46, 117, 182, 0.15);
}
.feature-card-wide {
    background: linear-gradient(135deg, #FFFFFF 0%, #EFF5FA 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.feature-card-stack {
    margin-bottom: 24px;
}
.feature-card-stack:last-child {
    margin-bottom: 0;
}
.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 22px;
    margin-bottom: 18px;
}
.feature-icon.accent-icon {
    background: rgba(242, 169, 0, 0.12);
    color: var(--accent);
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 14px;
    color: var(--muted-color);
    line-height: 1.7;
    margin-bottom: 0;
}
.feature-card-wide .feature-icon {
    width: 64px;
    height: 64px;
    font-size: 26px;
    border-radius: 16px;
    margin-bottom: 20px;
}
.feature-card-wide h3 {
    font-size: 22px;
    margin-bottom: 14px;
}
.feature-card-wide p {
    font-size: 15px;
    max-width: 480px;
}

/* ===== Showcase (image + text) ===== */
.showcase-section {
    padding: 50px 0;
}
.showcase-row {
    margin-bottom: 30px;
}
.showcase-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    position: relative;
}
.showcase-img-wrap img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.showcase-img-wrap:hover img {
    transform: scale(1.03);
}
.showcase-content {
    padding: 20px 30px;
}
.showcase-content .section-tag {
    margin-bottom: 10px;
}
.showcase-content h3 {
    font-size: 26px;
    margin-bottom: 14px;
}
.showcase-content p {
    font-size: 15px;
    color: var(--muted-color);
    line-height: 1.8;
    margin-bottom: 18px;
}
.showcase-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.showcase-link:hover {
    color: var(--primary-dark);
    gap: 10px;
}

/* ===== Category Cards ===== */
.category-cards-section {
    padding: 60px 0 80px;
}
.category-mini-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    border: 1px solid transparent;
    text-align: center;
}
.category-mini-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(46, 117, 182, 0.15);
}
.category-mini-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 16px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary-light), #F0F6FB);
    color: var(--primary);
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.category-mini-card h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}
.category-mini-card p {
    font-size: 13px;
    color: var(--muted-color);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ===== Process Section ===== */
.process-section {
    background: linear-gradient(135deg, #EAF1F8 0%, #F7FAFD 50%, #EAF1F8 100%);
    padding: 80px 0;
}
.process-item {
    text-align: center;
    padding: 30px 20px;
    position: relative;
}
.process-num {
    width: 52px;
    height: 52px;
    margin: 0 auto 18px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(46, 117, 182, 0.3);
}
.process-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}
.process-item p {
    font-size: 14px;
    color: var(--muted-color);
    line-height: 1.7;
    max-width: 280px;
    margin: 0 auto;
}
.process-arrow {
    position: absolute;
    right: -10px;
    top: 42%;
    color: var(--primary);
    font-size: 22px;
    opacity: 0.4;
}

/* ===== Stats ===== */
.stats-section {
    background: var(--heading-color);
    color: #FFFFFF;
    padding: 64px 0;
    position: relative;
    overflow: hidden;
}
.stats-section::after {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 180px;
    height: 180px;
    background: rgba(46, 117, 182, 0.2);
    border-radius: 50%;
}
.stats-section::before {
    content: "";
    position: absolute;
    bottom: -60px;
    left: -30px;
    width: 120px;
    height: 120px;
    background: rgba(242, 169, 0, 0.12);
    border-radius: 50%;
}
.stats-section .container {
    position: relative;
    z-index: 2;
}
.stat-item {
    text-align: center;
    padding: 12px 0;
}
.stat-number {
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    margin-bottom: 6px;
}
.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 1px;
}

/* ===== FAQ ===== */
.faq-section {
    padding: 80px 0;
}
.faq-wrap {
    max-width: 760px;
    margin: 0 auto;
}
.faq-item {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 16px;
    overflow: hidden;
    border: 1px solid transparent;
    transition: var(--transition);
}
.faq-item:hover {
    box-shadow: var(--shadow-hover);
}
.faq-item.active {
    border-color: rgba(46, 117, 182, 0.18);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--heading-color);
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
}
.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: transform 0.3s ease;
    margin-left: 16px;
}
.faq-item.active .faq-icon {
    transform: rotate(135deg);
    background: var(--primary);
    color: #fff;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    background: #F9FBFF;
}
.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--muted-color);
    line-height: 1.8;
    border-left: 3px solid var(--primary);
    margin-left: 24px;
}

/* ===== CTA ===== */
.cta-section {
    padding: 70px 0;
    background: linear-gradient(135deg, #EAF1F8 0%, #F2F7FB 100%);
}
.cta-box {
    background: var(--heading-color);
    border-radius: 20px;
    padding: 56px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-box::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    background: rgba(242, 169, 0, 0.18);
    border-radius: 50%;
}
.cta-box::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: 20px;
    width: 160px;
    height: 160px;
    background: rgba(46, 117, 182, 0.25);
    border-radius: 50%;
}
.cta-box .container {
    position: relative;
    z-index: 2;
}
.cta-box h2 {
    color: #FFFFFF;
    font-size: 32px;
    margin-bottom: 16px;
}
.cta-box p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
    max-width: 520px;
    margin: 0 auto 28px;
    line-height: 1.8;
}

/* ===== Footer ===== */
.main-footer {
    background: var(--heading-color);
    color: rgba(255, 255, 255, 0.6);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-brand {
    font-size: 22px;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 14px;
}
.footer-brand span {
    color: var(--accent);
}
.footer-about {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 0;
    max-width: 320px;
}
.main-footer h5 {
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 18px;
}
.main-footer ul {
    list-style: none;
}
.main-footer ul li {
    margin-bottom: 10px;
}
.main-footer ul a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}
.main-footer ul a:hover {
    color: #FFFFFF;
    padding-left: 4px;
}
.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}
.footer-contact i {
    color: var(--accent);
    width: 18px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 18px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}
.footer-bottom p {
    margin-bottom: 0;
}

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
    .navbar-desktop {
        padding: 0 16px;
    }
    .nav-link-custom {
        padding: 8px 12px;
        font-size: 14px;
    }
}

@media (max-width: 991.98px) {
    .navbar-desktop {
        min-height: 60px;
        padding: 0 16px;
    }
    .nav-left, .nav-right {
        display: none !important;
    }
    .navbar-toggler-custom {
        display: block;
    }
    .nav-brand-center {
        position: static;
        transform: none;
        font-size: 20px;
        padding: 6px 16px;
        margin-left: auto;
        margin-right: auto;
    }
    .navbar-desktop {
        justify-content: flex-start;
        gap: 12px;
    }
    .page-hero h1 {
        font-size: 34px;
    }
    .hero-subtitle {
        font-size: 15px;
    }
    .section-block, .feature-section, .faq-section, .process-section {
        padding: 56px 0;
    }
    .showcase-img-wrap img {
        height: 280px;
    }
    .showcase-content {
        padding: 20px 0;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .stats-section .stat-number {
        font-size: 34px;
    }
}

@media (max-width: 767.98px) {
    .page-hero {
        padding: 70px 0 80px;
    }
    .page-hero h1 {
        font-size: 28px;
    }
    .hero-actions .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    .feature-card {
        padding: 24px 20px;
    }
    .feature-card-wide, .feature-card-stack {
        margin-bottom: 20px;
    }
    .section-header h2 {
        font-size: 26px;
    }
    .showcase-content h3 {
        font-size: 22px;
    }
    .showcase-img-wrap img {
        height: 220px;
    }
    .category-mini-card {
        margin-bottom: 16px;
    }
    .process-arrow {
        display: none;
    }
    .stats-section .stat-number {
        font-size: 28px;
    }
    .cta-box {
        padding: 40px 20px;
    }
    .cta-box h2 {
        font-size: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .sticky-cta-text {
        font-size: 13px;
    }
    .sticky-cta-bar .btn {
        padding: 7px 16px;
        font-size: 13px;
    }
}

@media (max-width: 575.98px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .navbar-desktop {
        padding: 0 12px;
    }
    .nav-brand-center {
        font-size: 17px;
        padding: 6px 14px;
    }
    .page-hero h1 {
        font-size: 24px;
        letter-spacing: 0.5px;
    }
    .hero-subtitle {
        font-size: 14px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .hero-actions .btn {
        width: 100%;
        max-width: 260px;
    }
    .section-header h2 {
        font-size: 24px;
    }
    .showcase-content h3 {
        font-size: 20px;
    }
    .faq-question {
        font-size: 15px;
        padding: 18px 16px;
    }
    .faq-answer-inner {
        padding: 0 16px 18px;
        margin-left: 16px;
    }
    .sticky-cta-bar .container {
        flex-direction: column;
        gap: 6px;
        padding-top: 6px;
        padding-bottom: 6px;
    }
    .sticky-cta-bar .btn {
        width: 100%;
        max-width: 280px;
    }
    body {
        padding-bottom: 100px;
    }
}

@media (min-width: 992px) {
    .mobile-nav-panel {
        display: none !important;
    }
}

/* Bootstrap refinements */
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(46, 117, 182, 0.18);
}

/* roulang page: article */
:root {
            --primary: #2E75B6;
            --primary-dark: #1F5A8E;
            --primary-light: #EAF2FA;
            --accent: #F2A900;
            --accent-hover: #FFBE26;
            --accent-light: #FFF4DC;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --text-heading: #16233B;
            --text-body: #3D4C63;
            --text-muted: #7D8FA9;
            --border: #E3EAF2;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 12px rgba(21,55,110,0.06);
            --shadow-hover: 0 8px 24px rgba(21,55,110,0.10);
            --transition: 0.3s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.7;
            padding-bottom: 64px;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color 0.3s ease;
        }

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

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

        ul,
        ol {
            padding-left: 1.25rem;
        }

        .container {
            max-width: 1200px;
        }

        /* ========== 导航 ========== */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            box-shadow: 0 1px 0 rgba(21, 55, 110, 0.06);
            transition: box-shadow 0.3s ease;
        }

        .main-header.scrolled {
            box-shadow: 0 4px 16px rgba(21, 55, 110, 0.08);
        }

        .navbar-desktop {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            position: relative;
        }

        .nav-link-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-link-custom i {
            font-size: 15px;
            color: var(--text-muted);
            transition: color 0.3s;
        }

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

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

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

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

        .nav-brand-center {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text-heading);
            line-height: 1;
            white-space: nowrap;
        }

        .nav-brand-center span {
            color: var(--primary);
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            background: none;
            border-radius: 8px;
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-heading);
            margin-right: auto;
            transition: all 0.3s ease;
        }

        .navbar-toggler:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .mobile-nav-panel {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 8px 16px 16px;
            flex-direction: column;
        }

        .mobile-nav-panel.open {
            display: flex;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-nav-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 13px 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .mobile-nav-panel a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
        }

        .mobile-nav-panel a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-nav-panel a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        @media (min-width: 992px) {
            .mobile-nav-panel {
                display: none !important;
            }
        }

        /* ========== 文章 Hero ========== */
        .article-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            padding: 72px 0 100px;
            color: #fff;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(22, 35, 59, 0.72) 0%, rgba(46, 117, 182, 0.55) 100%);
        }

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

        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
        }

        .article-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.3s;
        }

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

        .article-breadcrumb .sep {
            opacity: 0.5;
        }

        .article-breadcrumb .current {
            font-weight: 500;
            color: #fff;
        }

        .article-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.28;
            color: #fff;
            max-width: 780px;
            margin-bottom: 20px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.88);
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta .meta-item i {
            font-size: 14px;
            opacity: 0.85;
        }

        .article-meta .meta-category {
            background: rgba(255, 255, 255, 0.16);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        /* ========== 文章主体 ========== */
        .article-main {
            margin-top: -52px;
            position: relative;
            z-index: 3;
        }

        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px 52px;
            margin-bottom: 40px;
            border: 1px solid rgba(227, 234, 242, 0.6);
        }

        /* ========== 文章正文排版 ========== */
        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            overflow-wrap: break-word;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-heading);
            margin: 1.6em 0 0.8em;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-heading);
            margin: 1.4em 0 0.6em;
        }

        .article-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-heading);
            margin: 1.2em 0 0.5em;
        }

        .article-body p {
            margin-bottom: 1.2em;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin: 1.2em 0;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.4em 0;
            color: var(--text-heading);
            font-style: italic;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2em;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: 0.45em;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.4em 0;
            display: block;
            overflow-x: auto;
            white-space: nowrap;
        }

        .article-body th {
            background: var(--primary-light);
            font-weight: 600;
            color: var(--text-heading);
            padding: 12px 14px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .article-body td {
            padding: 10px 14px;
            border: 1px solid var(--border);
        }

        .article-body pre,
        .article-body code {
            white-space: pre-wrap;
            word-break: break-all;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
        }

        .article-body pre {
            background: #f6f8fb;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px;
            margin-bottom: 1.2em;
        }

        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2em 0;
        }

        .article-body figure {
            margin: 1.4em 0;
        }

        .article-body figcaption {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ========== 按钮 ========== */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: 12px 28px;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(242, 169, 0, 0.35);
        }

        .btn-outline-primary {
            background: #fff;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(46, 117, 182, 0.25);
        }

        .btn:focus-visible,
        .nav-link-custom:focus-visible,
        .related-card:focus-visible {
            outline: 3px solid rgba(46, 117, 182, 0.3);
            outline-offset: 2px;
        }

        .more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.3s, color 0.3s;
        }

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

        /* ========== 相关推荐 ========== */
        .related-section {
            padding: 10px 0 80px;
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-heading);
            position: relative;
            padding-left: 16px;
            margin: 0;
        }

        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 5px;
            height: 24px;
            background: var(--accent);
            border-radius: 3px;
        }

        .related-card {
            display: block;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            border: 1px solid rgba(227, 234, 242, 0.5);
            color: inherit;
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            color: inherit;
        }

        .related-card .card-img {
            height: 180px;
            overflow: hidden;
            background: var(--primary-light);
        }

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

        .related-card:hover .card-img img {
            transform: scale(1.05);
        }

        .related-card .card-body {
            padding: 20px 22px 22px;
        }

        .related-card .card-tag {
            display: inline-block;
            background: var(--accent-light);
            color: #B57500;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .related-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== 空状态 ========== */
        .article-empty {
            text-align: center;
            padding: 60px 24px;
        }

        .article-empty .empty-icon {
            width: 84px;
            height: 84px;
            background: var(--primary-light);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 34px;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .article-empty h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .article-empty p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 420px;
            margin: 0 auto 28px;
        }

        /* ========== 页脚 ========== */
        .main-footer {
            background: var(--text-heading);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1;
        }

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

        .footer-about {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
            max-width: 340px;
            margin: 0;
        }

        .footer-col h5 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h5::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: all 0.3s ease;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 12px;
        }

        .footer-contact li i {
            color: var(--accent);
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ========== 固定转化条 ========== */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border);
            box-shadow: 0 -4px 16px rgba(21, 55, 110, 0.08);
            z-index: 1000;
            padding: 10px 0;
        }

        .fixed-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .fixed-cta-bar p {
            margin: 0;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
        }

        .fixed-cta-bar .btn {
            padding: 10px 24px;
            white-space: nowrap;
            font-size: 14px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .article-hero {
                padding: 52px 0 72px;
            }

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

            .article-card {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }

            .article-main {
                margin-top: -36px;
            }

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

            .article-meta {
                gap: 12px;
                flex-direction: column;
                align-items: flex-start;
            }

            .related-section {
                padding-bottom: 48px;
            }
        }

        @media (max-width: 575.98px) {
            body {
                padding-bottom: 104px;
            }

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

            .fixed-cta-bar .container {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }

            .fixed-cta-bar p {
                font-size: 14px;
            }

            .fixed-cta-bar .btn {
                width: 100%;
                max-width: 260px;
            }

            .nav-brand-center {
                font-size: 22px;
            }

            .related-card .card-img {
                height: 160px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #2E75B6;
  --primary-dark: #1F5A8E;
  --primary-light: #E3EEF7;
  --accent: #F2A900;
  --accent-dark: #D99A00;
  --bg: #F5F8FC;
  --card-bg: #FFFFFF;
  --title: #16233B;
  --text: #3D4C63;
  --muted: #7D8FA9;
  --border: #DCE5F0;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(21,55,110,0.06);
  --shadow-md: 0 8px 24px rgba(21,55,110,0.10);
  --transition: all 0.3s ease;
  --font: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  padding-bottom: 62px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5, h6 { color: var(--title); }

.container { max-width: 1200px; }
@media (min-width: 1400px) {
  .container { max-width: 1200px; }
}

/* ========== Header & Nav ========== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1200;
  background: #FFFFFF;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.main-header.scrolled {
  border-bottom-color: rgba(22,35,59,0.08);
  box-shadow: 0 4px 16px rgba(21,55,110,0.06);
}
.navbar-desktop {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  min-height: 68px;
}
.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-right { justify-content: flex-end; }
.nav-brand-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 26px;
  font-weight: 800;
  color: var(--title);
  letter-spacing: 1px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 3px;
  line-height: 1.2;
}
.nav-brand-center span { color: var(--accent); }
.nav-link-custom {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  border-radius: 20px;
  line-height: 1.4;
}
.nav-link-custom:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-link-custom.active {
  color: var(--primary);
  background: var(--primary-light);
}
.navbar-toggler {
  border: none;
  background: transparent;
  color: var(--title);
  font-size: 22px;
  padding: 6px 10px;
  margin-right: auto;
  z-index: 2;
}
.navbar-toggler:focus { outline: none; box-shadow: none; }

.mobile-nav-panel {
  display: none;
  flex-direction: column;
  background: #FFFFFF;
  padding: 10px 16px 16px;
  border-top: 1px solid rgba(22,35,59,0.06);
  box-shadow: 0 12px 24px rgba(21,55,110,0.08);
}
.mobile-nav-panel.open { display: flex; }
.mobile-nav-panel a {
  padding: 12px 14px;
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mobile-nav-panel a:hover { background: var(--primary-light); color: var(--primary); }
.mobile-nav-panel a.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }

@media (max-width: 991.98px) {
  .navbar-desktop { justify-content: flex-start; }
  .nav-brand-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 22px;
  }
}

/* ========== Hero ========== */
.page-hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.72) 0%, rgba(232,242,252,0.50) 55%, rgba(255,255,255,0.42) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  padding: 96px 0 108px;
  text-align: center;
}
.breadcrumb-inline { display: flex; justify-content: center; margin-bottom: 24px; }
.breadcrumb-inline .breadcrumb {
  background: transparent;
  margin-bottom: 0;
  justify-content: center;
}
.breadcrumb-item { font-size: 13px; color: var(--muted); }
.breadcrumb-item a { color: var(--muted); }
.breadcrumb-item a:hover { color: var(--primary); }
.breadcrumb-item.active { color: var(--primary); font-weight: 600; }
.breadcrumb-item + .breadcrumb-item::before { content: '›'; color: var(--border); }
.hero-badge {
  display: inline-block;
  background: rgba(46,117,182,0.12);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.page-hero h1 {
  font-size: 44px;
  font-weight: 800;
  color: var(--title);
  margin: 0 0 18px;
  line-height: 1.25;
  letter-spacing: 1px;
}
.hero-sub {
  max-width: 680px;
  margin: 0 auto 32px;
  font-size: 17px;
  color: var(--text);
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== Buttons ========== */
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #FFFFFF;
  border: none;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(242,169,0,0.30);
  transition: var(--transition);
  cursor: pointer;
  line-height: 1.5;
}
.btn-primary-custom:hover {
  background: var(--accent-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(242,169,0,0.36);
}
.btn-primary-custom:focus,
.btn-outline-custom:focus { outline: 2px solid rgba(46,117,182,0.5); outline-offset: 2px; }
.btn-outline-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  font-size: 15px;
  font-weight: 600;
  padding: 11px 26px;
  border-radius: 8px;
  transition: var(--transition);
  cursor: pointer;
  line-height: 1.5;
}
.btn-outline-custom:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

/* ========== Stats Strip ========== */
.stats-strip {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 2;
}
.stats-row { padding: 28px 0; }
.stats-col { text-align: center; padding: 12px 8px; }
.stat-number { font-size: 26px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-label { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ========== Section Common ========== */
.feature-section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(46,117,182,0.10);
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 1px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--title);
  margin: 16px 0 12px;
}
.section-head p { color: var(--muted); font-size: 15px; margin-bottom: 0; }

/* ========== Feature Cards ========== */
.feature-grid { row-gap: 24px; }
.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  height: 100%;
  border: 1px solid rgba(255,255,255,0);
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--border);
}
.feature-wide img {
  border-radius: 10px;
  width: 100%;
  height: 220px;
  object-fit: cover;
  margin-bottom: 20px;
}
.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 22px;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 19px; font-weight: 700; margin: 0 0 10px; }
.feature-card p { font-size: 14px; color: var(--text); margin-bottom: 14px; line-height: 1.7; }
.feature-card ul li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.feature-card ul li i { color: var(--primary); }
.feature-slim { display: flex; flex-direction: column; justify-content: center; }
.flex-gap-24 { display: flex; flex-direction: column; gap: 24px; height: 100%; }
.flex-gap-24 .feature-card { flex: 1; }

/* ========== Scenario ========== */
.scenario-section {
  padding: 80px 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.scenario-row { margin: 0 0 60px; align-items: center; }
.scenario-row:last-child { margin-bottom: 0; }
.scenario-row img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  width: 100%;
  height: 340px;
  object-fit: cover;
}
.scenario-content .section-tag { margin-bottom: 10px; }
.scenario-content h3 { font-size: 28px; font-weight: 700; margin: 14px 0 14px; }
.scenario-content p { font-size: 15px; color: var(--text); margin-bottom: 18px; }
.text-link { font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.text-link i { transition: transform 0.3s ease; }
.text-link:hover i { transform: translateX(4px); }

/* ========== Flow ========== */
.flow-section { padding: 80px 0; }
.flow-grid { row-gap: 24px; }
.flow-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 28px 24px;
  border: 1px solid rgba(21,55,110,0.06);
  transition: var(--transition);
  height: 100%;
}
.flow-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.flow-number { font-size: 32px; font-weight: 800; color: rgba(46,117,182,0.20); line-height: 1; margin-bottom: 14px; }
.flow-item h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.flow-item p { font-size: 14px; color: var(--muted); margin-bottom: 0; }

/* ========== FAQ ========== */
.faq-section { padding: 80px 0; background: #FFFFFF; border-top: 1px solid var(--border); }
.faq-accordion { max-width: 800px; margin: 0 auto; }
.faq-accordion .accordion-item {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-accordion .accordion-button {
  font-size: 16px;
  font-weight: 600;
  color: var(--title);
  background: #FFFFFF;
  padding: 18px 22px;
  box-shadow: none;
  border-bottom: 1px solid transparent;
}
.faq-accordion .accordion-button:not(.collapsed) {
  background: #F8FBFE;
  color: var(--primary);
  border-bottom-color: var(--border);
}
.faq-accordion .accordion-button:focus { box-shadow: none; border-color: var(--primary); outline: none; }
.faq-accordion .accordion-body {
  padding: 8px 22px 20px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.8;
  background: #F8FBFE;
}
.faq-accordion .accordion-button::after {
  background-image: none;
  content: '+';
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  width: auto;
  height: auto;
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-accordion .accordion-button:not(.collapsed)::after { transform: rotate(45deg); }

/* ========== CTA ========== */
.cta-section { padding: 80px 0; background: linear-gradient(135deg, #EAF3FC 0%, #F8FBFF 60%); text-align: center; }
.cta-section h2 { font-size: 32px; font-weight: 800; margin-bottom: 14px; }
.cta-section p { max-width: 580px; margin: 0 auto 28px; color: var(--muted); font-size: 15px; }
.cta-section .btn-primary-custom { font-size: 16px; padding: 14px 36px; }

/* ========== Footer ========== */
.main-footer { background: #16233B; color: rgba(255,255,255,0.85); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 36px; }
.footer-brand { font-size: 24px; font-weight: 800; color: #FFFFFF; margin-bottom: 14px; }
.footer-brand span { color: var(--accent); }
.footer-about { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.60); margin: 0; }
.main-footer h5 { color: #FFFFFF; font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.main-footer ul li { margin-bottom: 8px; }
.main-footer ul li a {
  color: rgba(255,255,255,0.60);
  font-size: 14px;
  transition: var(--transition);
  background: none;
  padding: 0;
}
.main-footer ul li a:hover { color: #FFFFFF; padding-left: 4px; background: transparent; }
.footer-contact li {
  color: rgba(255,255,255,0.60);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact li i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 18px 0; text-align: center; color: rgba(255,255,255,0.50); font-size: 13px; }
.footer-bottom p { margin: 0; }

/* ========== Fixed Conversion Bar ========== */
.fixed-conversion-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 62px;
  background: #FFFFFF;
  box-shadow: 0 -4px 20px rgba(21,55,110,0.10);
  z-index: 1050;
  display: flex;
  align-items: center;
}
.fixed-conversion-bar .conversion-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}
.fixed-conversion-bar p {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--title);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.fixed-conversion-bar .btn-primary-custom { padding: 9px 22px; font-size: 14px; box-shadow: none; }
.fixed-conversion-bar .btn-primary-custom:hover { box-shadow: var(--shadow-md); }

/* ========== Responsive ========== */
@media (max-width: 991.98px) {
  .page-hero { padding: 72px 0 80px; }
  .page-hero h1 { font-size: 34px; }
  .hero-sub { font-size: 16px; }
  .section-head h2, .cta-section h2 { font-size: 27px; }
  .section-head { margin-bottom: 34px; }
  .feature-section, .scenario-section, .flow-section, .faq-section, .cta-section { padding: 56px 0; }
  .scenario-row { margin-bottom: 44px; }
  .scenario-row img { height: 260px; }
  .scenario-content h3 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 767.98px) {
  .page-hero { padding: 64px 0 72px; }
  .page-hero h1 { font-size: 30px; }
  .hero-actions { gap: 10px; }
  .feature-wide img { height: 190px; }
  .flow-item { padding: 22px 20px; }
}
@media (max-width: 575.98px) {
  .page-hero h1 { font-size: 27px; }
  .hero-sub { font-size: 15px; }
  .stats-row { padding: 20px 0; }
  .stat-number { font-size: 20px; }
  .stat-label { font-size: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .fixed-conversion-bar p { font-size: 13px; }
  .fixed-conversion-bar .btn-primary-custom { padding: 8px 16px; font-size: 13px; white-space: nowrap; }
}

/* roulang page: category3 */
:root {
  --primary: #2E75B6;
  --primary-dark: #1F5A8E;
  --primary-light: #E8F1F8;
  --accent: #F2A900;
  --accent-dark: #D99A00;
  --bg-light: #F5F8FC;
  --bg-white: #FFFFFF;
  --text-heading: #16233B;
  --text-body: #3D4C63;
  --text-muted: #7D8FA9;
  --border-light: #E3EAF2;
  --radius-large: 16px;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 20px;
  --shadow-card: 0 2px 12px rgba(21,55,110,0.06);
  --shadow-hover: 0 8px 24px rgba(21,55,110,0.10);
  --transition: all 0.3s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-light);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 15px;
  padding-bottom: 60px;
  overflow-x: hidden;
}
a { text-decoration: none; color: var(--primary); transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; }
input, button, textarea { font-family: inherit; }
.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
.section-pad { padding: 80px 0; }
.section-title-wrap { text-align: center; margin-bottom: 48px; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}
.section-title { font-size: 32px; font-weight: 700; color: var(--text-heading); line-height: 1.3; }
.section-subtitle { font-size: 15px; color: var(--text-muted); max-width: 640px; margin: 12px auto 0; }
.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border: none;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(242,169,0,0.35);
}
.btn-main:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(242,169,0,0.40); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover { background: var(--primary-light); color: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); }

/* Header */
.main-header {
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  position: relative;
  z-index: 999;
  transition: var(--transition);
}
.main-header.scrolled { box-shadow: 0 4px 16px rgba(21,55,110,0.08); }
.navbar-desktop {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1280px;
  margin: 0 auto;
}
.nav-left, .nav-right { display: flex; align-items: center; gap: 8px; flex: 1; }
.nav-right { justify-content: flex-end; }
.nav-link-custom {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  background: transparent;
}
.nav-link-custom i { font-size: 13px; color: var(--text-muted); }
.nav-link-custom:hover { background: var(--primary-light); color: var(--primary); }
.nav-link-custom:hover i { color: var(--primary); }
.nav-link-custom.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}
.nav-link-custom.active i { color: var(--primary); }
.nav-brand-center {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-heading);
  white-space: nowrap;
  letter-spacing: 1px;
  display: flex;
  align-items: baseline;
  line-height: 1.2;
}
.nav-brand-center span { color: var(--primary); font-size: 18px; font-weight: 700; margin-left: 2px; }
.navbar-toggler {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-heading);
  padding: 8px;
  cursor: pointer;
  display: none;
}
.mobile-nav-panel {
  position: fixed;
  top: 62px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 12px 24px rgba(21,55,110,0.10);
  padding: 16px 24px;
  display: none;
  flex-direction: column;
  gap: 10px;
  z-index: 998;
  max-height: calc(100vh - 62px);
  overflow-y: auto;
}
.mobile-nav-panel.open { display: flex; }
.mobile-nav-panel a {
  padding: 10px 14px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 10px;
}
.mobile-nav-panel a i { width: 18px; text-align: center; color: var(--text-muted); }
.mobile-nav-panel a.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.mobile-nav-panel a.active i { color: var(--primary); }

/* Hero */
.page-hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  min-height: 460px;
  display: flex;
  align-items: center;
  padding: 80px 0;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.72), rgba(245,248,252,0.55));
  z-index: 1;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero-content { max-width: 720px; }
.page-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(46,117,182,0.12);
  border: 1px solid rgba(46,117,182,0.25);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}
.page-hero h1 { font-size: 42px; font-weight: 800; color: var(--text-heading); line-height: 1.25; margin-bottom: 18px; letter-spacing: 1px; }
.page-hero h1 span { color: var(--primary); }
.page-hero p.lead { font-size: 16px; line-height: 1.8; color: var(--text-body); max-width: 600px; margin-bottom: 28px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* Stats Bar */
.stats-bar { background: #fff; border-bottom: 1px solid var(--border-light); padding: 32px 0; margin-top: -1px; }
.stat-item { text-align: center; padding: 10px; }
.stat-number { font-size: 40px; font-weight: 800; color: var(--accent); line-height: 1.2; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

/* Security Features */
.feature-grid { display: flex; gap: 24px; align-items: stretch; }
.feature-col-left { flex: 0 0 42%; }
.feature-col-right { flex: 1; display: flex; flex-direction: column; gap: 24px; }
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 36px 32px;
  border: 1px solid rgba(227,234,242,0.6);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.feature-card .card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 17px; font-weight: 700; color: var(--text-heading); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-body); margin-bottom: 14px; }
.feature-card .feature-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.feature-card .feature-link:hover { gap: 10px; }
.feature-card-lg { padding: 40px 36px; }
.feature-card-lg .card-icon { width: 60px; height: 60px; font-size: 26px; }
.feature-card-lg h3 { font-size: 20px; }
.feature-card-lg p { font-size: 15px; }
.feature-list { margin-top: 10px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; margin-bottom: 10px; color: var(--text-body); }
.feature-list li i { color: var(--primary); margin-top: 4px; font-size: 13px; }

/* Security Flow */
.flow-section { background: #fff; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
.flow-step-wrap { position: relative; }
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 40px; }
.flow-step { text-align: center; position: relative; }
.flow-step .step-num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 6px 16px rgba(46,117,182,0.30);
  position: relative;
  z-index: 2;
}
.flow-step .step-num.green { background: var(--primary); }
.flow-step h4 { font-size: 16px; font-weight: 700; color: var(--text-heading); margin-bottom: 10px; }
.flow-step p { font-size: 13px; color: var(--text-muted); max-width: 220px; margin: 0 auto; }
.flow-arrow {
  position: absolute;
  top: 32px;
  right: -18px;
  color: var(--border-light);
  font-size: 20px;
  z-index: 1;
}
@media (max-width: 991px) {
  .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .flow-arrow { display: none; }
}

/* Scenario */
.scenario-block { padding: 80px 0; }
.scenario-row { display: flex; align-items: center; gap: 56px; margin-bottom: 80px; }
.scenario-row:last-child { margin-bottom: 0; }
.scenario-row.reverse { flex-direction: row-reverse; }
.scenario-img { flex: 1; }
.scenario-img img { width: 100%; border-radius: var(--radius-large); box-shadow: var(--shadow-hover); }
.scenario-img .img-frame { position: relative; border-radius: var(--radius-large); overflow: hidden; }
.scenario-img .img-frame::after { content: ''; position: absolute; inset: 0; border-radius: var(--radius-large); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.15); }
.scenario-text { flex: 1; }
.scenario-text .scenario-tag { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-size: 13px; font-weight: 600; background: var(--primary-light); padding: 5px 16px; border-radius: var(--radius-pill); margin-bottom: 14px; }
.scenario-text h3 { font-size: 28px; font-weight: 800; color: var(--text-heading); margin-bottom: 16px; }
.scenario-text p { font-size: 15px; color: var(--text-body); line-height: 1.8; margin-bottom: 16px; }
.scenario-text .scenario-list { margin-top: 18px; }
.scenario-text .scenario-list li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 14px; }
.scenario-text .scenario-list li i { color: var(--accent); margin-top: 4px; font-size: 14px; }
.scenario-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 600; font-size: 14px; margin-top: 10px; }
.scenario-link:hover { gap: 10px; color: var(--primary-dark); }

/* FAQ */
.faq-section { background: #fff; border-top: 1px solid var(--border-light); }
.faq-accordion { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-light);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  border: 1px solid transparent;
  transition: var(--transition);
}
.faq-item.active { background: #fff; border-color: rgba(46,117,182,0.20); box-shadow: var(--shadow-card); }
.faq-question {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer { padding: 0 24px 20px; font-size: 14px; color: var(--text-body); line-height: 1.8; display: none; }
.faq-item.active .faq-answer { display: block; }

/* CTA */
.cta-section { padding: 70px 0; background: linear-gradient(135deg, var(--primary) 0%, #2A6CA3 60%, #1F5A8E 100%); }
.cta-box { text-align: center; }
.cta-box h2 { font-size: 36px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta-box p { font-size: 16px; color: rgba(255,255,255,0.85); margin-bottom: 30px; }
.cta-box .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  padding: 14px 40px;
  border-radius: var(--radius-btn);
  border: none;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(242,169,0,0.40);
}
.cta-box .btn-cta:hover { background: #ffbc2e; color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(242,169,0,0.50); }

/* Footer */
.main-footer { background: #16233B; color: rgba(255,255,255,0.85); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-brand span { color: var(--accent); }
.footer-about { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.60); }
.footer-col h5 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.60); font-size: 14px; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.60); font-size: 14px; }
.footer-contact li i { color: var(--accent); width: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.10); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.55); }

/* Bottom Sticky Bar */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid var(--border-light);
  box-shadow: 0 -4px 16px rgba(21,55,110,0.08);
  padding: 8px 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sticky-bar .sticky-text { font-size: 14px; font-weight: 600; color: var(--text-heading); }
.sticky-bar .sticky-text i { color: var(--accent); margin-right: 6px; }
.sticky-bar .btn-sticky {
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);
  padding: 8px 20px;
  transition: var(--transition);
  white-space: nowrap;
}
.sticky-bar .btn-sticky:hover { background: var(--accent-dark); transform: translateY(-1px); }

/* Responsive */
@media (max-width: 991px) {
  .nav-left, .nav-right { display: none !important; }
  .navbar-toggler { display: block; }
  .navbar-desktop { flex-wrap: wrap; }
  .nav-brand-center { order: 0; }
  .navbar-toggler { order: -1; }
  .section-pad { padding: 56px 0; }
  .scenario-row, .scenario-row.reverse { flex-direction: column; gap: 32px; }
  .scenario-block { padding: 56px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .page-hero { min-height: auto; padding: 56px 0; }
  .page-hero h1 { font-size: 30px; }
  .hero-btns { flex-direction: column; align-items: stretch; }
  .hero-btns .btn-main, .hero-btns .btn-outline { justify-content: center; }
  .feature-grid { flex-direction: column; }
  .feature-col-left { flex: 1; }
  .stat-number { font-size: 30px; }
  .flow-grid { grid-template-columns: 1fr; gap: 24px; }
  .section-title { font-size: 26px; }
  .cta-box h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .sticky-bar { padding: 8px 16px; }
  .sticky-bar .sticky-text { font-size: 12px; }
  .sticky-bar .btn-sticky { padding: 8px 14px; font-size: 13px; }
}
@media (max-width: 575px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .page-hero h1 { font-size: 26px; }
  .feature-card { padding: 24px 20px; }
  .scenario-text h3 { font-size: 22px; }
  .faq-question { font-size: 15px; padding: 16px 18px; }
  .faq-answer { padding: 0 18px 16px; }
  .stat-number { font-size: 26px; }
  .section-pad { padding: 44px 0; }
  .section-title { font-size: 24px; }
}