/* roulang page: index */
:root {
  --primary: #1B6BB0;
  --primary-dark: #12518C;
  --primary-light: #E4EFFA;
  --accent: #F2A93B;
  --accent-dark: #D98A1F;
  --bg: #F7FAFC;
  --bg-card: #FFFFFF;
  --text: #1F2A37;
  --text-secondary: #5B6675;
  --border: #E4EAF0;
  --success: #2E7D6B;
  --shadow: 0 6px 20px rgba(16,42,80,.06);
  --shadow-hover: 0 16px 32px rgba(16,42,80,.10);
  --shadow-sm: 0 4px 12px rgba(16,42,80,.05);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  transition: color .25s ease, background .25s ease, transform .25s ease, box-shadow .25s ease;
}
img {
  max-width: 100%;
  height: auto;
}
.container {
  max-width: 1200px;
}
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.btn {
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all .25s ease;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 28px;
  border: none;
}
.btn:focus {
  outline: 3px solid rgba(27, 107, 176, .25);
  box-shadow: none;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-md);
}
.btn-accent:hover, .btn-accent:focus {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn-accent:active {
  transform: scale(.98);
}
.btn-primary-custom {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-md);
  height: 48px;
  padding: 0 36px;
}
.btn-primary-custom:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn-outline-custom {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  height: 48px;
  padding: 0 36px;
}
.btn-outline-custom:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.text-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.text-link:hover {
  color: var(--primary-dark);
}
.text-link:hover i, .text-link:hover .fa-arrow-right {
  transform: translateX(4px);
}
.text-link i, .text-link .fa-arrow-right {
  transition: transform .2s ease;
}
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
/* ========= HEADER / NAV ========= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: #fff;
  height: 72px;
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s ease;
}
.site-header.scrolled {
  box-shadow: 0 6px 18px rgba(16,42,80,.06);
}
.navbar {
  padding: 0;
  height: 72px;
}
.navbar-brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary) !important;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
}
.navbar-brand .brand-badge {
  background: #f1f4f8;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: .02em;
}
.navbar-nav {
  align-items: center;
  gap: 4px;
}
.navbar-nav .nav-link {
  color: var(--text) !important;
  font-weight: 500;
  font-size: 15px;
  padding: 8px 16px !important;
  border-radius: var(--radius-md);
  position: relative;
  transition: color .2s ease;
}
.navbar-nav .nav-link:hover {
  color: var(--primary) !important;
}
.navbar-nav .nav-link.active {
  color: var(--primary) !important;
  font-weight: 600;
}
.navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}
.navbar-toggler {
  border: none;
  color: var(--primary);
  font-size: 24px;
  padding: 4px 8px;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(27,107,176,.2);
}
/* ========= HERO ========= */
.hero-section {
  background: linear-gradient(135deg, #F0F7FE 0%, #FFFFFF 60%);
  padding: 84px 0 72px;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(27,107,176,.04) 0, transparent 40%), radial-gradient(circle at 80% 70%, rgba(242,169,59,.04) 0, transparent 40%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(228, 239, 250, .8);
  border-radius: var(--radius-pill);
  padding: 6px 18px;
  margin-bottom: 24px;
  letter-spacing: .02em;
}
.hero-section h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 20px;
  max-width: 100%;
}
.hero-section h1 .highlight {
  color: var(--primary);
}
.hero-desc {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.hero-meta span {
  font-size: 14px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-meta i {
  color: var(--success);
  font-size: 15px;
}
.hero-visual {
  aspect-ratio: 4 / 3;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(23,84,128,.12);
  background: linear-gradient(135deg, #DCE8F5 0%, #F5F9FD 100%);
  position: relative;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* ========= TRUST BAR ========= */
.trust-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.trust-items {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 4px;
}
.trust-item i {
  font-size: 20px;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* ========= SECTION COMMON ========= */
section {
  padding: 84px 0;
}
.section-header {
  margin-bottom: 48px;
  max-width: 680px;
}
.section-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: .04em;
  margin-bottom: 8px;
}
.section-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.section-header p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 0;
}
/* ========= SERVICES ========= */
.services-section {
  background: var(--bg);
}
.feature-card-large {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow .25s ease, transform .25s ease;
  height: 100%;
}
.feature-card-large:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.feature-card-large img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.feature-card-body {
  padding: 28px 32px 32px;
}
.feature-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.feature-card-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}
.feature-card-small {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 32px 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s ease, transform .25s ease;
}
.feature-card-small:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.feature-card-small i {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 20px;
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-card-small h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.feature-card-small p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
  flex-grow: 1;
}
/* ========= SCENARIOS ========= */
.scenarios-section {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  height: 100%;
  transition: box-shadow .25s ease, transform .25s ease;
}
.scenario-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.scenario-card i {
  font-size: 28px;
  color: var(--primary);
  background: var(--primary-light);
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.scenario-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}
.scenario-card ul li {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-left: 20px;
  position: relative;
  margin-bottom: 6px;
}
.scenario-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  opacity: .6;
}
/* ========= STATS ========= */
.stats-section {
  background: var(--primary-light);
}
.stats-section .section-header h2, .stats-section .section-header p {
  color: var(--text);
}
.stats-section .section-label {
  color: var(--primary);
}
.stat-item {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px 20px;
  text-align: center;
  height: 100%;
  transition: box-shadow .25s ease, transform .25s ease;
}
.stat-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}
/* ========= PRICING / SERVICE MODE ========= */
.pricing-section {
  background: var(--bg);
}
.pricing-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pricing-row {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  transition: box-shadow .25s ease, transform .25s ease;
  border: 1px solid transparent;
}
.pricing-row:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--primary-light);
}
.pricing-info {
  flex: 1;
  min-width: 240px;
}
.pricing-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.pricing-info p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}
.pricing-row .btn {
  white-space: nowrap;
}
/* ========= NEWS / CMS ========= */
.news-section {
  background: #fff;
}
.news-feature-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow .25s ease, transform .25s ease;
  height: 100%;
  border: 1px solid var(--border);
}
.news-feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.news-feature-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.news-feature-body {
  padding: 28px 28px 32px;
}
.cms-category {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: var(--radius-pill);
  padding: 3px 14px;
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.news-feature-body h3, .news-list .cms-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.5;
}
.cms-summary {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.cms-time {
  font-size: 14px;
  color: var(--text-secondary);
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.cms-list-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  transition: box-shadow .25s ease, transform .25s ease;
}
.cms-list-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.cms-list-item .cms-title {
  font-size: 17px;
  margin-bottom: 8px;
}
.cms-list-item .cms-summary {
  margin-bottom: 12px;
  -webkit-line-clamp: 1;
}
.cms-list-item .cms-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}
.cms-list-item .cms-link:hover {
  color: var(--primary-dark);
}
.news-empty {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 60px 32px;
  text-align: center;
  color: var(--text-secondary);
}
.news-empty i {
  font-size: 40px;
  color: #b8c5d1;
  margin-bottom: 16px;
}
.news-empty p {
  font-size: 15px;
  margin-bottom: 0;
}
/* ========= CTA ========= */
.cta-section {
  background: var(--bg);
  padding: 60px 0;
}
.cta-box {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-content {
  flex: 1;
  min-width: 280px;
}
.cta-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.cta-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 0;
}
.cta-section .btn-accent {
  height: 52px;
  padding: 0 40px;
  font-size: 16px;
}
/* ========= FOOTER ========= */
.site-footer {
  background: #0E2A3F;
  padding: 64px 0 0;
  color: rgba(255,255,255,.75);
}
.site-footer .footer-brand {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.site-footer p {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255,255,255,.65);
  margin-bottom: 20px;
}
.site-footer h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: .02em;
}
.site-footer ul li {
  margin-bottom: 12px;
}
.site-footer ul li a {
  color: rgba(255,255,255,.7);
  font-size: 14px;
  transition: color .2s ease;
}
.site-footer ul li a:hover {
  color: var(--accent);
}
.site-footer ul li i {
  width: 24px;
  color: var(--accent);
  font-size: 14px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 24px 0;
  margin-top: 48px;
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,.55);
}
.footer-bottom a {
  color: rgba(255,255,255,.7);
}
.footer-bottom a:hover {
  color: var(--accent);
}
/* ========= RESPONSIVE ========= */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: #fff;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 20px;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
  }
  .navbar-nav {
    gap: 0;
    margin-bottom: 12px;
  }
  .navbar-nav .nav-link {
    padding: 12px 16px !important;
    border-radius: var(--radius-md);
  }
  .navbar-nav .nav-link.active::after {
    display: none;
  }
  .navbar-nav .nav-link.active {
    background: var(--primary-light);
  }
  .navbar .btn-accent {
    width: 100%;
    margin-left: 0 !important;
  }
  .hero-section {
    padding: 56px 0 48px;
  }
  .hero-section h1 {
    font-size: 34px;
  }
  .hero-visual {
    margin-top: 32px;
    aspect-ratio: 16 / 10;
  }
  .stats-section .col-md-3 {
    margin-bottom: 0;
  }
  .stat-item {
    padding: 20px 12px;
  }
  .stat-number {
    font-size: 30px;
  }
  .pricing-row {
    padding: 24px;
  }
  .cta-box {
    padding: 36px 32px;
  }
}
@media (max-width: 767.98px) {
  section {
    padding: 56px 0;
  }
  .section-header {
    margin-bottom: 32px;
  }
  .section-header h2 {
    font-size: 24px;
  }
  .hero-section {
    padding: 40px 0 36px;
  }
  .hero-section h1 {
    font-size: 28px;
  }
  .hero-desc {
    font-size: 16px;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-buttons .btn {
    width: 100%;
  }
  .hero-meta {
    gap: 12px;
    flex-direction: column;
    align-items: flex-start;
  }
  .trust-items {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .trust-item {
    width: 100%;
  }
  .feature-card-body {
    padding: 24px 24px 28px;
  }
  .feature-card-small {
    padding: 24px;
  }
  .scenario-card {
    padding: 24px;
  }
  .pricing-row {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }
  .pricing-row .btn {
    width: 100%;
  }
  .news-feature-body {
    padding: 24px;
  }
  .cms-list-item {
    padding: 20px 24px;
  }
  .cta-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
  }
  .cta-section .btn-accent {
    width: 100%;
  }
  .site-footer {
    padding-top: 48px;
  }
  .site-footer .row > div {
    margin-bottom: 32px;
  }
  .footer-bottom {
    margin-top: 24px;
  }
  .card-shadow-mobile {
    box-shadow: var(--shadow-sm);
  }
}

/* roulang page: category1 */
:root {
            --primary: #1B6BB0;
            --primary-dark: #12518C;
            --primary-light: #E4EFFA;
            --accent: #F2A93B;
            --accent-dark: #D98A1F;
            --bg: #F7FAFC;
            --bg-card: #FFFFFF;
            --text: #1F2A37;
            --text-secondary: #5B6675;
            --border: #E4EAF0;
            --success: #2E7D6B;
            --shadow: 0 6px 20px rgba(16,42,80,.06);
            --shadow-hover: 0 16px 32px rgba(16,42,80,.10);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --transition: 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
        }
        ::selection {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        :focus-visible {
            outline: 3px solid rgba(27, 107, 176, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: #fff;
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 6px 18px rgba(16, 42, 80, 0.06);
        }
        .site-header .navbar {
            min-height: 72px;
            padding: 0;
        }
        .site-header .navbar-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0;
        }
        .site-header .navbar-brand:hover {
            color: var(--primary-dark);
        }
        .brand-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #f0f2f5;
            border-radius: 6px;
            padding: 2px 8px;
            letter-spacing: 0.02em;
            line-height: 1.6;
        }
        .site-header .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 26px 16px !important;
            border-bottom: 3px solid transparent;
            transition: color var(--transition), border-color var(--transition);
        }
        .site-header .navbar-nav .nav-link:hover,
        .site-header .navbar-nav .nav-link.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .navbar-toggler {
            border: none;
            font-size: 22px;
            color: var(--primary);
            padding: 4px 8px;
            line-height: 1;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid rgba(27, 107, 176, 0.3);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            background: var(--accent);
            color: #fff !important;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            border: none;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(242, 169, 59, 0.3);
        }
        .btn-accent:active {
            transform: scale(0.98);
        }

        /* ===== Category Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, #F0F7FE 0%, #FFFFFF 60%);
            padding: 64px 0 56px;
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .category-hero .hero-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .category-hero .hero-label .label-badge {
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            padding: 2px 10px;
            font-size: 12px;
            font-weight: 600;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 640px;
        }
        .category-hero .hero-actions {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .btn-back-home {
            font-size: 15px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .btn-back-home:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 84px 0;
        }
        .section-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }

        /* ===== Feature Cards (特色栏目) ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(228, 234, 240, 0.6);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            background: var(--primary-light);
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Info Mix Cards ===== */
        .info-mix-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr 1fr;
            gap: 24px;
            margin-top: 40px;
        }
        .mix-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid rgba(228, 234, 240, 0.6);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .mix-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .mix-card .mix-cover {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .mix-card .mix-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .mix-card .mix-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 999px;
            padding: 3px 12px;
            display: inline-block;
            margin-bottom: 12px;
            width: fit-content;
        }
        .mix-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .mix-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .mix-card .mix-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .mix-card .mix-link:hover {
            gap: 8px;
        }

        /* ===== Content List ===== */
        .content-list {
            margin-top: 40px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid rgba(228, 234, 240, 0.6);
            overflow: hidden;
        }
        .list-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 24px 32px;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .list-item:last-child {
            border-bottom: none;
        }
        .list-item:hover {
            background: #fafcfe;
        }
        .list-thumb {
            width: 140px;
            height: 90px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--primary-light);
        }
        .list-content {
            flex: 1;
            min-width: 0;
        }
        .list-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.5;
            transition: color var(--transition);
        }
        .list-item:hover .list-content h4 {
            color: var(--primary);
        }
        .list-content p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .list-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .list-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .list-meta a {
            color: var(--primary);
            font-weight: 500;
        }
        .list-meta a:hover {
            color: var(--accent-dark);
        }

        /* ===== Badge / Pill ===== */
        .tag-pill {
            display: inline-block;
            font-size: 13px;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 999px;
            padding: 4px 12px;
            font-weight: 500;
            transition: background var(--transition);
        }
        .tag-pill:hover {
            background: #d3e6f8;
        }

        /* ===== Scenario Section ===== */
        .scenario-section {
            background: var(--primary-light);
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .scenario-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--primary);
            height: 100%;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .scenario-card .scenario-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .scenario-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .scenario-card ul li {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            padding: 6px 0;
            border-bottom: 1px solid rgba(228, 234, 240, 0.6);
            position: relative;
            padding-left: 20px;
        }
        .scenario-card ul li:last-child {
            border-bottom: none;
        }
        .scenario-card ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 12px;
            color: var(--success);
            position: absolute;
            left: 0;
            top: 8px;
        }

        /* ===== FAQ ===== */
        .faq-block {
            padding: 84px 0;
        }
        .accordion {
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(228, 234, 240, 0.8) !important;
            border-radius: 12px !important;
            overflow: hidden;
            box-shadow: none;
        }
        .accordion-button {
            background: #fff;
            color: var(--text);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 24px;
            line-height: 1.5;
            box-shadow: none;
            border: none;
            transition: background var(--transition);
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 3px solid rgba(27, 107, 176, 0.25);
        }
        .accordion-button::after {
            background-image: none;
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 16px;
            color: var(--primary);
            transform: none;
            width: auto;
            height: auto;
            transition: transform var(--transition), color var(--transition);
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            background-image: none;
            color: var(--primary-dark);
        }
        .accordion-body {
            padding: 20px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            background: #fff;
            border-top: 1px solid var(--border);
        }

        /* ===== CTA ===== */
        .cta-block {
            background: var(--bg-card);
            padding: 64px 0;
        }
        .cta-card {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 20px;
            padding: 48px 56px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            box-shadow: 0 20px 40px rgba(18, 81, 140, 0.2);
        }
        .cta-card::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 200px;
            height: 200px;
            background: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            opacity: 0.08;
            border-radius: 50%;
        }
        .cta-card .cta-text {
            position: relative;
            z-index: 2;
        }
        .cta-card h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-card p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .cta-card .btn-white {
            background: #fff;
            color: var(--primary-dark) !important;
            height: 48px;
            padding: 0 36px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            position: relative;
            z-index: 2;
            border: none;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
        }
        .cta-card .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
            background: #f8f9fa;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0E2A3F;
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 24px;
            font-size: 14px;
        }
        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 0;
        }
        .site-footer h4 {
            font-size: 16px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
        }
        .site-footer ul li i {
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .site-header .navbar-nav .nav-link {
                padding: 14px 16px !important;
                border-bottom: none;
                border-left: 3px solid transparent;
            }
            .site-header .navbar-nav .nav-link:hover,
            .site-header .navbar-nav .nav-link.active {
                border-bottom: none;
                border-left-color: var(--primary);
                background: var(--primary-light);
                border-radius: 0;
            }
            .site-header .navbar-collapse {
                background: #fff;
                padding: 16px;
                border-radius: 0 0 16px 16px;
                box-shadow: 0 12px 28px rgba(16, 42, 80, 0.08);
            }
            .site-header .btn-accent {
                margin-left: 0 !important;
                margin-top: 12px;
                width: 100%;
                height: 48px;
            }
            .category-hero {
                padding: 48px 0 40px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .feature-grid,
            .info-mix-grid,
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .list-item {
                padding: 20px;
                gap: 16px;
            }
            .cta-card {
                padding: 36px 32px;
            }
        }
        @media (max-width: 767.98px) {
            .section-block {
                padding: 56px 0;
            }
            .faq-block {
                padding: 56px 0;
            }
            .category-hero {
                padding: 40px 0 32px;
            }
            .category-hero h1 {
                font-size: 26px;
                line-height: 1.35;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .section-title {
                font-size: 24px;
            }
            .feature-grid,
            .info-mix-grid,
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px;
            }
            .list-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
            }
            .list-thumb {
                width: 100%;
                height: auto;
                aspect-ratio: 16 / 9;
            }
            .list-meta {
                flex-wrap: wrap;
                gap: 8px 14px;
            }
            .cta-card {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-card .btn-white {
                width: 100%;
                justify-content: center;
            }
            .site-footer .footer-brand {
                font-size: 18px;
            }
            .cta-card h2 {
                font-size: 22px;
            }
            .site-footer {
                padding-top: 48px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 23px;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-actions .btn-accent {
                width: 100%;
                justify-content: center;
            }
            .hero-actions .btn-back-home {
                margin-top: 4px;
            }
            .mix-card .mix-body {
                padding: 20px;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #1B6BB0;
      --primary-dark: #12518C;
      --primary-light: #E4EFFA;
      --accent: #F2A93B;
      --accent-dark: #D98A1F;
      --bg: #F7FAFC;
      --bg-card: #FFFFFF;
      --text: #1F2A37;
      --text-secondary: #5B6675;
      --border: #E4EAF0;
      --success: #2E7D6B;
      --radius-lg: 16px;
      --radius-md: 10px;
      --shadow: 0 6px 20px rgba(16, 42, 80, .06);
      --shadow-hover: 0 16px 32px rgba(16, 42, 80, .10);
      --transition: .25s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background-color: var(--bg);
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: var(--primary);
      transition: color .2s ease;
    }

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

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

    .container {
      max-width: 1200px;
    }

    /* ===== 导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: #fff;
      border-bottom: 1px solid var(--border);
      transition: box-shadow .3s ease;
    }

    .site-header.scrolled {
      box-shadow: 0 6px 18px rgba(16, 42, 80, .06);
    }

    .site-header .navbar {
      min-height: 72px;
      padding: 0 0;
    }

    .navbar-brand {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary) !important;
      display: flex;
      align-items: center;
      gap: 8px;
      letter-spacing: -0.01em;
    }

    .brand-badge {
      font-size: 11px;
      font-weight: 500;
      color: var(--text-secondary);
      background: #F1F4F8;
      border-radius: 6px;
      padding: 2px 8px;
      letter-spacing: .04em;
      line-height: 1.6;
    }

    .site-header .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text);
      padding: 10px 16px !important;
      position: relative;
      transition: color .2s ease;
    }

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

    .site-header .nav-item .nav-link.active {
      color: var(--primary);
    }

    .site-header .nav-item .nav-link.active::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 0;
      height: 3px;
      background: var(--primary);
      border-radius: 3px 3px 0 0;
    }

    .btn-accent {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 28px;
      background: var(--accent);
      border: none;
      border-radius: var(--radius-md);
      color: #fff;
      font-weight: 600;
      font-size: 15px;
      transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
      cursor: pointer;
    }

    .btn-accent:hover {
      background: var(--accent-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(242, 169, 59, .30);
    }

    .btn-accent:active {
      transform: scale(.98);
    }

    .navbar-toggler {
      border: none;
      color: var(--primary);
      font-size: 22px;
      padding: 4px 8px;
    }

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

    /* ===== 分类页 Hero ===== */
    .page-hero {
      background: linear-gradient(135deg, #F0F7FE 0%, #FFFFFF 70%);
      padding: 64px 0 56px;
      border-bottom: 1px solid var(--border);
      position: relative;
    }

    .page-hero .hero-content {
      display: flex;
      align-items: center;
    }

    .page-hero .hero-text {
      padding-right: 32px;
    }

    .page-hero h1 {
      font-size: 36px;
      font-weight: 700;
      line-height: 1.35;
      color: var(--text);
      margin-bottom: 14px;
      letter-spacing: -0.01em;
    }

    .page-hero .hero-desc {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.8;
      max-width: 560px;
      margin-bottom: 22px;
    }

    .page-hero .hero-link {
      font-size: 14px;
      color: var(--primary);
      font-weight: 500;
    }

    .page-hero .hero-link i {
      font-size: 12px;
      margin-left: 2px;
      transition: transform .25s ease;
    }

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

    .hero-image-wrap {
      border-radius: 18px;
      overflow: hidden;
      box-shadow: 0 18px 40px rgba(23, 84, 128, .12);
      aspect-ratio: 4 / 3;
      background: var(--primary-light);
    }

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

    /* ===== 板块通用 ===== */
    .section-padding {
      padding: 84px 0;
    }

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

    .section-bg-white {
      background: #fff;
    }

    .section-bg-blue {
      background: var(--primary-light);
    }

    .section-tag {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      letter-spacing: .02em;
      display: inline-block;
      margin-bottom: 6px;
    }

    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 16px;
      line-height: 1.35;
      letter-spacing: -0.01em;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 640px;
      line-height: 1.75;
    }

    /* ===== 价值特点 ===== */
    .value-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 32px;
      height: 100%;
      box-shadow: var(--shadow);
      transition: transform .25s ease, box-shadow .25s ease;
      border: 1px solid rgba(228, 234, 240, .6);
    }

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

    .value-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 20px;
    }

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

    .value-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* ===== 动态方向 ===== */
    .feature-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow);
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: transform .25s ease, box-shadow .25s ease;
      border: 1px solid rgba(228, 234, 240, .6);
    }

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

    .feature-card .feature-img {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: var(--primary-light);
    }

    .feature-card .feature-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform .4s ease;
    }

    .feature-card:hover .feature-img img {
      transform: scale(1.02);
    }

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

    .feature-card .feature-cat {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .feature-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .feature-card p {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.75;
      margin-bottom: 16px;
      flex: 1;
    }

    .feature-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--primary);
    }

    .feature-link i {
      font-size: 12px;
      margin-left: 2px;
      transition: transform .25s ease;
    }

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

    /* ===== 紧凑列表 ===== */
    .dynamic-list {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      border: 1px solid rgba(228, 234, 240, .6);
      overflow: hidden;
    }

    .dynamic-list-item {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 22px 24px;
      border-bottom: 1px solid var(--border);
      transition: background .25s ease;
    }

    .dynamic-list-item:last-child {
      border-bottom: none;
    }

    .dynamic-list-item:hover {
      background: #F9FBFD;
    }

    .dynamic-list-thumb {
      width: 110px;
      height: 72px;
      border-radius: 10px;
      overflow: hidden;
      flex-shrink: 0;
      background: var(--primary-light);
    }

    .dynamic-list-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .dynamic-list-content {
      flex: 1;
      min-width: 0;
    }

    .dynamic-list-content h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 4px;
      line-height: 1.5;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .dynamic-list-content p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 0;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .dynamic-list-meta {
      font-size: 13px;
      color: #8A94A6;
      white-space: nowrap;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .dynamic-list-meta .tag {
      background: var(--primary-light);
      color: var(--primary);
      padding: 2px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 500;
    }

    /* ===== 流程 ===== */
    .process-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 32px;
      height: 100%;
      box-shadow: var(--shadow);
      border: 1px solid rgba(228, 234, 240, .6);
      position: relative;
      transition: transform .25s ease, box-shadow .25s ease;
    }

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

    .process-step {
      font-size: 40px;
      font-weight: 800;
      color: var(--primary-light);
      line-height: 1;
      margin-bottom: 16px;
      letter-spacing: -.02em;
    }

    .process-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      margin-bottom: 18px;
    }

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

    .process-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* ===== 数据 ===== */
    .stats-wrap {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 40px;
      border: 1px solid rgba(228, 234, 240, .6);
    }

    .stats-left {
      padding-right: 40px;
    }

    .stats-left .section-title {
      margin-bottom: 12px;
    }

    .stats-left p {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.75;
      margin-bottom: 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .stat-item {
      text-align: center;
      padding: 20px 12px;
      background: var(--bg);
      border-radius: 14px;
      border: 1px solid rgba(228, 234, 240, .6);
    }

    .stat-item .stat-num {
      font-size: 36px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .stat-item .stat-label {
      font-size: 14px;
      color: var(--text-secondary);
    }

    /* ===== FAQ ===== */
    .faq-section .accordion {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-section .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px !important;
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: none;
    }

    .faq-section .accordion-button {
      background: #fff;
      color: var(--text);
      font-size: 16px;
      font-weight: 600;
      padding: 20px 24px;
      box-shadow: none;
      border: none;
      transition: background .25s ease, color .25s ease;
    }

    .faq-section .accordion-button:focus {
      box-shadow: none;
    }

    .faq-section .accordion-button:not(.collapsed) {
      background: var(--primary-light);
      color: var(--text);
      box-shadow: none;
    }

    .faq-section .accordion-button::after {
      background-image: none;
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      content: "\f078";
      width: auto;
      height: auto;
      color: var(--primary);
      font-size: 14px;
      transition: transform .3s ease;
    }

    .faq-section .accordion-button:not(.collapsed)::after {
      transform: rotate(180deg);
    }

    .faq-section .accordion-body {
      padding: 4px 24px 24px;
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.8;
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 56px 0;
      background: #fff;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .cta-box {
      background: linear-gradient(135deg, #F0F7FE 0%, #FFFFFF 60%);
      border-radius: var(--radius-lg);
      border: 1px solid rgba(228, 234, 240, .6);
      box-shadow: var(--shadow);
      padding: 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
    }

    .cta-box h2 {
      font-size: 26px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 8px;
    }

    .cta-box p {
      font-size: 15px;
      color: var(--text-secondary);
      margin-bottom: 0;
      max-width: 480px;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: #0E2A3F;
      color: #B6C7D6;
      padding: 64px 0 0;
    }

    .site-footer .footer-brand {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }

    .site-footer p {
      font-size: 14px;
      line-height: 1.8;
      color: #9FB4C5;
      margin-bottom: 0;
    }

    .site-footer h4 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
      letter-spacing: .02em;
    }

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

    .site-footer ul li {
      margin-bottom: 10px;
      font-size: 14px;
      color: #9FB4C5;
      line-height: 1.6;
    }

    .site-footer ul li i {
      width: 20px;
      color: var(--accent);
      margin-right: 4px;
    }

    .site-footer ul li a {
      color: #9FB4C5;
      font-size: 14px;
      transition: color .2s ease;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .10);
      padding: 20px 0;
      margin-top: 40px;
      text-align: center;
      font-size: 13px;
      color: #7E93A6;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 991px) {
      .section-padding {
        padding: 64px 0;
      }

      .page-hero {
        padding: 48px 0 40px;
      }

      .page-hero .hero-text {
        padding-right: 0;
        margin-bottom: 32px;
      }

      .page-hero h1 {
        font-size: 32px;
      }

      .stats-left {
        padding-right: 0;
        margin-bottom: 32px;
      }

      .cta-box {
        padding: 32px;
        flex-direction: column;
        align-items: flex-start;
      }

      .dynamic-list-meta {
        display: none;
      }

      .site-header .navbar-collapse {
        padding: 16px 0;
        border-top: 1px solid var(--border);
        margin-top: 8px;
      }

      .site-header .nav-link {
        padding: 12px 16px !important;
        font-size: 16px;
        border-bottom: 1px solid #F1F4F8;
      }

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

      .site-header .nav-item .nav-link.active {
        background: var(--primary-light);
        border-radius: 8px;
      }

      .site-header .btn-accent {
        width: 100%;
        margin-top: 16px;
      }
    }

    @media (max-width: 767px) {
      .section-padding {
        padding: 56px 0;
      }

      .page-hero {
        padding: 40px 0 32px;
      }

      .page-hero h1 {
        font-size: 27px;
      }

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

      .section-title {
        font-size: 24px;
      }

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

      .value-card {
        padding: 24px;
        margin-bottom: 16px;
      }

      .feature-card .feature-body {
        padding: 24px;
      }

      .dynamic-list-item {
        padding: 18px;
        gap: 14px;
      }

      .dynamic-list-thumb {
        width: 86px;
        height: 60px;
      }

      .dynamic-list-content h4 {
        font-size: 14px;
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
      }

      .dynamic-list-content p {
        -webkit-line-clamp: 2;
        font-size: 13px;
      }

      .process-card {
        padding: 24px;
        margin-bottom: 16px;
      }

      .stats-wrap {
        padding: 24px;
      }

      .stats-grid {
        gap: 12px;
      }

      .stat-item {
        padding: 16px 8px;
      }

      .stat-item .stat-num {
        font-size: 28px;
      }

      .cta-box {
        padding: 24px;
      }

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

      .cta-box .btn-accent {
        width: 100%;
      }

      .site-footer {
        padding: 48px 0 0;
      }

      .footer-bottom {
        font-size: 12px;
      }
    }

    @media (max-width: 520px) {
      .page-hero h1 {
        font-size: 24px;
      }

      .hero-image-wrap {
        aspect-ratio: 16 / 10;
      }

      .feature-card h3 {
        font-size: 18px;
      }

      .feature-card p {
        font-size: 14px;
      }
    }

/* roulang page: article */
:root {
  --primary: #1B6BB0;
  --primary-dark: #12518C;
  --primary-light: #E4EFFA;
  --accent: #F2A93B;
  --accent-dark: #D98A1F;
  --bg: #F7FAFC;
  --bg-card: #FFFFFF;
  --text: #1F2A37;
  --text-secondary: #5B6675;
  --border: #E4EAF0;
  --success: #2E7D6B;
  --shadow: 0 6px 20px rgba(16,42,80,.06);
  --shadow-hover: 0 16px 32px rgba(16,42,80,.10);
  --radius-lg: 16px;
  --radius-md: 10px;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease;
}

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

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

.container {
  max-width: 1200px;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(27, 107, 176, .35);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: #fff;
  box-shadow: 0 1px 0 rgba(16, 42, 80, .05);
  transition: box-shadow .3s ease;
}

.site-header.scrolled {
  box-shadow: 0 6px 18px rgba(16, 42, 80, .08);
}

.site-header .navbar {
  min-height: 72px;
  padding: 10px 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary) !important;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.brand-badge {
  font-size: 12px;
  font-weight: 600;
  color: #667085;
  background: #F1F4F8;
  border-radius: 6px;
  padding: 2px 8px;
  letter-spacing: .02em;
}

.navbar-nav .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 10px 16px !important;
  position: relative;
  border-radius: 6px;
  transition: color .2s ease, background .2s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--primary);
  background: rgba(27, 107, 176, .04);
}

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

.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
}

.btn-accent {
  height: 44px;
  padding: 0 28px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: all .25s ease;
}

.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(242, 169, 59, .30);
}

.btn-accent:active {
  transform: scale(.98);
}

.navbar-toggler {
  border: none;
  color: var(--text);
  font-size: 20px;
  padding: 8px 12px;
  background: transparent;
}

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

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

/* ===== Breadcrumb ===== */
.breadcrumb-wrap {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.breadcrumb-nav {
  font-size: 13px;
  color: #667085;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumb-nav a {
  color: #667085;
  transition: color .2s ease;
}

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

.breadcrumb-nav .sep {
  color: #C0C9D4;
}

.breadcrumb-nav .current {
  color: var(--text-secondary);
  max-width: 420px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Article Main ===== */
.article-main {
  padding: 48px 0 84px;
}

.article-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 48px;
}

.article-head {
  max-width: 760px;
  margin-bottom: 24px;
}

.article-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 0;
}

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

.article-meta i {
  color: var(--primary);
  margin-right: 6px;
  font-size: 14px;
}

.article-cover {
  margin: 32px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.article-divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

/* ===== Article Content ===== */
.cms-article-content {
  max-width: 720px;
  color: var(--text);
  font-size: 16px;
}

.cms-article-content p {
  font-size: 17px;
  line-height: 1.85;
  margin: 24px 0;
  color: var(--text);
}

.cms-article-content h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  margin-top: 40px;
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
}

.cms-article-content h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin-top: 32px;
  margin-bottom: 12px;
}

.cms-article-content ul,
.cms-article-content ol {
  margin: 24px 0;
  padding-left: 24px;
}

.cms-article-content li {
  margin-bottom: 8px;
  line-height: 1.75;
}

.cms-article-content img {
  width: 100%;
  border-radius: var(--radius-md);
  margin: 24px 0;
}

.cms-article-content blockquote {
  background: #F0F7FE;
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  padding: 20px 24px;
  margin: 28px 0;
  color: var(--text-secondary);
}

.cms-article-content blockquote p {
  margin: 0;
  color: var(--text-secondary);
}

.cms-article-content a {
  color: var(--primary);
  border-bottom: 1px solid rgba(27, 107, 176, .30);
  transition: border-color .2s ease;
}

.cms-article-content a:hover {
  border-bottom-color: var(--primary);
}

.cms-article-content .table-responsive {
  margin: 24px 0;
}

.cms-article-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  background: #fff;
}

.cms-article-content th,
.cms-article-content td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  text-align: left;
  line-height: 1.6;
}

.cms-article-content th {
  background: var(--primary-light);
  font-weight: 600;
  color: var(--text);
}

/* ===== Article Tags ===== */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.tag-item {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease;
}

.tag-item:hover {
  background: var(--primary);
  color: #fff;
}

/* ===== Empty State ===== */
.article-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.article-empty i {
  font-size: 48px;
  color: #C0C9D4;
  margin-bottom: 16px;
  display: block;
}

.article-empty p {
  margin-bottom: 20px;
  font-size: 16px;
}

.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
  background: transparent;
  border-radius: var(--radius-md);
  padding: 10px 24px;
  font-weight: 600;
  transition: all .25s ease;
}

.btn-outline-primary:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-outline-primary:active {
  transform: scale(.98);
}

/* ===== Related Section ===== */
.related-section {
  padding: 84px 0;
  background: var(--bg);
}

.section-tag {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: .02em;
  text-transform: uppercase;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin: 6px 0 16px;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.related-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all .25s ease;
  border: 1px solid transparent;
}

.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--primary-light);
}

.related-card .card-cat {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-cat::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.related-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 16px;
}

.related-card h3 a {
  color: var(--text);
  transition: color .2s ease;
}

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

.related-card .card-time {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

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

.card-link i {
  transition: transform .2s ease;
  font-size: 12px;
}

.card-link:hover {
  color: var(--primary-dark);
}

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

/* ===== CTA Section ===== */
.cta-section {
  background: var(--primary-light);
  padding: 64px 0;
}

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 40px 48px;
}

.cta-box h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.cta-box p {
  color: var(--text-secondary);
  margin: 0;
  max-width: 520px;
}

.cta-box .btn-accent {
  flex-shrink: 0;
}

/* ===== Footer ===== */
.site-footer {
  background: #0E2A3F;
  color: #B3C4D1;
  padding: 64px 0 0;
  font-size: 14px;
}

.footer-brand {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.site-footer p {
  color: #93A6B7;
  line-height: 1.8;
  margin-bottom: 0;
}

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

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

.site-footer ul li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.site-footer ul a {
  color: #93A6B7;
  transition: color .2s ease;
}

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

.site-footer .footer-icon {
  color: var(--accent);
  margin-right: 8px;
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .10);
  margin-top: 40px;
  padding: 20px 0;
  text-align: center;
  color: #6D8296;
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (min-width: 992px) {
  .navbar-nav {
    align-items: center;
  }
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(16, 42, 80, .08);
    padding: 16px 20px;
    margin-top: 12px;
    border: 1px solid var(--border);
  }

  .navbar-nav .nav-link {
    padding: 12px 14px !important;
    line-height: 24px;
    border-radius: 8px;
  }

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

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

  #mainNav .btn-accent {
    width: 100%;
    margin-left: 0 !important;
    margin-top: 14px;
  }
}

@media (max-width: 767px) {
  .article-main {
    padding: 24px 0 56px;
  }

  .article-card {
    padding: 24px 20px;
  }

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

  .article-meta {
    gap: 12px;
    font-size: 13px;
  }

  .article-divider {
    margin: 24px 0;
  }

  .cms-article-content p {
    font-size: 16px;
    line-height: 1.8;
    margin: 20px 0;
  }

  .cms-article-content h2 {
    font-size: 21px;
    margin-top: 32px;
    padding-left: 12px;
  }

  .cms-article-content h3 {
    font-size: 18px;
    margin-top: 26px;
  }

  .article-tags {
    margin-top: 28px;
    gap: 8px;
  }

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

  .section-title {
    font-size: 24px;
  }

  .section-desc {
    margin-bottom: 28px;
  }

  .related-card {
    padding: 24px;
  }

  .cta-section {
    padding: 48px 0;
  }

  .cta-box {
    padding: 28px 24px;
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-box .btn-accent {
    width: 100%;
  }

  .breadcrumb-nav .current {
    max-width: 180px;
  }

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

  .site-footer .container .row > div {
    margin-bottom: 32px;
  }
}

/* roulang page: category3 */
:root {
  --primary: #1B6BB0;
  --primary-dark: #12518C;
  --primary-light: #E4EFFA;
  --accent: #F2A93B;
  --accent-dark: #D98A1F;
  --bg: #F7FAFC;
  --bg-card: #FFFFFF;
  --text: #1F2A37;
  --text-secondary: #5B6675;
  --border: #E4EAF0;
  --success: #2E7D6B;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow: 0 6px 20px rgba(16,42,80,.06);
  --shadow-hover: 0 16px 32px rgba(16,42,80,.10);
  --footer-bg: #0E2A3F;
  --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { text-decoration: none; color: var(--primary); transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
.container { max-width: 1200px; }
.btn { border-radius: var(--radius-md); font-weight: 600; transition: all var(--transition); border: none; padding: 12px 28px; line-height: 1.5; }
.btn:active { transform: scale(0.98); }
.btn:focus, .form-control:focus, .accordion-button:focus { box-shadow: 0 0 0 4px rgba(27,107,176,.15); outline: none; }
.btn-accent { background: var(--accent); color: #fff; height: 44px; padding: 0 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-md); font-weight: 600; }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 18px rgba(242,169,59,.35); }
.btn-outline-primary { background: #fff; border: 1px solid var(--primary); color: var(--primary); height: 44px; padding: 0 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-md); font-weight: 600; }
.btn-outline-primary:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
.text-link { color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.text-link i { transition: transform var(--transition); }
.text-link:hover i { transform: translateX(4px); }
.section-pad { padding: 84px 0; }
.section-label { font-size: 14px; font-weight: 600; color: var(--primary); letter-spacing: .02em; text-transform: uppercase; margin-bottom: 6px; }
.section-title { font-size: 28px; font-weight: 700; color: var(--text); margin: 6px 0 16px; letter-spacing: -0.01em; }
.section-desc { font-size: 16px; color: var(--text-secondary); max-width: 680px; margin-bottom: 32px; }
.badge-tag { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 13px; font-weight: 600; padding: 4px 12px; border-radius: 999px; margin: 4px 6px 4px 0; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 1030;
  background: #fff;
  box-shadow: 0 1px 0 rgba(16,42,80,.04);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 6px 18px rgba(16,42,80,.06); }
.site-header .navbar { min-height: 72px; padding: 12px 0; }
.navbar-brand { font-size: 20px; font-weight: 700; color: var(--primary) !important; display: flex; align-items: center; gap: 8px; letter-spacing: -0.01em; }
.navbar-brand:hover { color: var(--primary-dark) !important; }
.brand-badge { background: #F0F2F5; color: #667085; font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 6px; line-height: 1.6; }
.navbar-nav .nav-link { font-size: 15px; font-weight: 500; color: var(--text-secondary) !important; padding: 10px 16px !important; position: relative; transition: color var(--transition); }
.navbar-nav .nav-link:hover { color: var(--primary) !important; }
.navbar-nav .nav-link.active { color: var(--primary) !important; font-weight: 600; }
.navbar-nav .nav-link.active::after { content: ''; position: absolute; bottom: 0; left: 16px; right: 16px; height: 3px; background: var(--primary); border-radius: 3px 3px 0 0; }
.navbar-toggler { border: none; color: var(--primary); font-size: 20px; padding: 6px 10px; background: transparent; }
.navbar-toggler:focus { box-shadow: none; }
@media (max-width: 991px) {
  .navbar-collapse { background: #fff; padding: 16px 8px 20px; border-radius: 0 0 var(--radius-lg) var(--radius-lg); border-top: 1px solid var(--border); margin-top: 12px; }
  .navbar-nav .nav-link { padding: 12px 16px !important; font-size: 16px; }
  .navbar-nav .nav-link.active::after { display: none; }
  .navbar-nav .nav-link.active { background: var(--primary-light); border-radius: var(--radius-md); }
  .navbar-collapse .btn-accent { margin: 14px 16px 0; width: calc(100% - 32px); }
}

/* Hero */
.category-hero {
  background: linear-gradient(135deg, #F0F7FE 0%, #FFFFFF 60%);
  padding: 72px 0 64px;
  position: relative;
  overflow: hidden;
}
.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
}
.category-hero .container { position: relative; z-index: 1; }
.category-hero h1 { font-size: 36px; font-weight: 700; color: var(--text); line-height: 1.35; margin-bottom: 16px; letter-spacing: -0.01em; }
.category-hero h1 span { color: var(--primary); }
.category-hero .hero-desc { font-size: 16px; color: var(--text-secondary); max-width: 560px; margin-bottom: 20px; }
.hero-back { font-size: 14px; color: var(--text-secondary); }
.hero-back a { color: var(--primary); font-weight: 500; }
.hero-back a:hover { text-decoration: underline; }
.hero-imgwrap { border-radius: 18px; overflow: hidden; box-shadow: 0 18px 40px rgba(23,84,128,.12); aspect-ratio: 4/3; background: var(--primary-light); position: relative; }
.hero-imgwrap img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 767px) {
  .category-hero { padding: 48px 0 40px; }
  .category-hero h1 { font-size: 28px; }
  .hero-imgwrap { margin-top: 28px; }
}

/* Featured Cards */
.featured-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
  display: flex; flex-direction: column;
}
.featured-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.featured-card .card-img { aspect-ratio: 16/9; overflow: hidden; background: var(--primary-light); }
.featured-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.featured-card:hover .card-img img { transform: scale(1.04); }
.featured-card .card-body { padding: 24px 28px 28px; display: flex; flex-direction: column; flex: 1; }
.featured-card .card-body h3 { font-size: 20px; font-weight: 700; color: var(--text); margin: 10px 0 10px; }
.featured-card .card-body p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.featured-card .card-meta { display: flex; align-items: center; gap: 12px; margin-top: 16px; font-size: 13px; color: #98A1AF; }
.featured-card .badge-tag { margin: 0; }

/* Compact List */
.compact-list { background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.compact-list-item { display: flex; align-items: center; gap: 20px; padding: 20px 28px; border-bottom: 1px solid var(--border); transition: background var(--transition); }
.compact-list-item:last-child { border-bottom: none; }
.compact-list-item:hover { background: #F9FBFD; }
.compact-list-item .list-thumb { width: 100px; height: 70px; border-radius: 8px; overflow: hidden; background: var(--primary-light); flex-shrink: 0; }
.compact-list-item .list-thumb img { width: 100%; height: 100%; object-fit: cover; }
.compact-list-item .list-content { flex: 1; min-width: 0; }
.compact-list-item .list-content h4 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.compact-list-item .list-content p { font-size: 14px; color: var(--text-secondary); margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.compact-list-item .list-meta { font-size: 13px; color: #98A1AF; flex-shrink: 0; display: flex; align-items: center; gap: 8px; }
@media (max-width: 767px) {
  .compact-list-item { padding: 16px 20px; gap: 14px; }
  .compact-list-item .list-thumb { width: 80px; height: 60px; }
  .compact-list-item .list-content p { white-space: normal; }
  .compact-list-item .list-meta { display: none; }
}

/* Pillar Cards */
.pillar-card { background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 28px; border-left: 4px solid var(--primary); transition: box-shadow var(--transition); }
.pillar-card:hover { box-shadow: var(--shadow-hover); }
.pillar-card .pillar-icon { width: 52px; height: 52px; border-radius: 12px; background: var(--primary-light); color: var(--primary); font-size: 20px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.pillar-card h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.pillar-card p { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.7; }

/* Steps */
.step-wrap { counter-reset: steps; }
.step-item { position: relative; padding: 28px 28px 28px 84px; background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow); height: 100%; }
.step-item::before { counter-increment: steps; content: counter(steps, decimal-leading-zero); position: absolute; left: 28px; top: 24px; font-size: 32px; font-weight: 700; color: var(--primary); opacity: .2; line-height: 1; }
.step-item h4 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-secondary); margin: 0; }

/* Audience */
.audience-card { background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 28px; text-align: center; transition: transform var(--transition), box-shadow var(--transition); }
.audience-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.audience-card .aud-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--primary-light); color: var(--primary); font-size: 22px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.audience-card h4 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.audience-card p { font-size: 14px; color: var(--text-secondary); margin: 0; }
@media (max-width: 767px) {
  .audience-card { padding: 20px 16px; }
}

/* FAQ */
.accordion-container .accordion-item { border: 1px solid var(--border); border-radius: 12px !important; margin-bottom: 12px; overflow: hidden; background: var(--bg-card); }
.accordion-container .accordion-item:first-of-type, .accordion-container .accordion-item:last-of-type { border-radius: 12px !important; }
.accordion-container .accordion-button { background: var(--bg-card); color: var(--text); font-weight: 600; font-size: 16px; padding: 20px 24px; box-shadow: none; border: none; }
.accordion-container .accordion-button:not(.collapsed) { background: var(--primary-light); color: var(--primary-dark); box-shadow: none; }
.accordion-container .accordion-button::after { background-image: none; font-family: "Font Awesome 6 Free"; font-weight: 900; content: "\f078"; font-size: 14px; color: var(--primary); transition: transform var(--transition); }
.accordion-container .accordion-button:not(.collapsed)::after { transform: rotate(180deg); }
.accordion-container .accordion-body { padding: 8px 24px 24px; font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

/* CTA */
.cta-block { background: var(--primary-light); border-radius: var(--radius-lg); padding: 48px 48px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-block h3 { font-size: 26px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.cta-block p { font-size: 15px; color: var(--text-secondary); margin: 0; }
@media (max-width: 767px) {
  .cta-block { padding: 32px 24px; flex-direction: column; text-align: center; }
}

/* Footer */
.site-footer { background: var(--footer-bg); color: rgba(255,255,255,.8); padding: 64px 0 0; margin-top: 0; }
.site-footer .footer-brand { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.site-footer p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.6); }
.site-footer h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.site-footer ul { padding: 0; }
.site-footer ul li { margin-bottom: 10px; font-size: 14px; color: rgba(255,255,255,.6); }
.site-footer ul li a { color: rgba(255,255,255,.6); transition: color var(--transition); }
.site-footer ul li a:hover { color: var(--accent); text-decoration: underline; }
.site-footer ul li i { margin-right: 8px; color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; margin-top: 40px; font-size: 13px; color: rgba(255,255,255,.5); text-align: center; }
@media (max-width: 767px) {
  .section-pad { padding: 56px 0; }
  .site-footer { padding: 48px 0 0; }
}

/* Utility */
.bg-light-blue { background: var(--primary-light); }
.text-secondary-body { color: var(--text-secondary); }
.rounded-icon-sm { border-radius: var(--radius-sm); }
.shadow-hover-card { transition: transform var(--transition), box-shadow var(--transition); }
.shadow-hover-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.mt-2px { margin-top: 2px; }