/* roulang page: index */
:root {
  --primary: #0E7C66;
  --primary-dark: #0A6352;
  --primary-light: #E8F2EF;
  --accent: #E8A33D;
  --accent-dark: #D4912E;
  --bg: #F7F5F2;
  --card: #FFFFFF;
  --dark: #112A2E;
  --dark-border: #2A4549;
  --text: #1F2A2E;
  --text-secondary: #5C6B6F;
  --text-muted: #8D9A9E;
  --border: #E4E0D8;
  --radius-card: 16px;
  --radius-btn: 8px;
  --radius-img: 12px;
  --shadow-card: 0 2px 12px rgba(17, 42, 46, 0.06);
  --shadow-hover: 0 8px 24px rgba(17, 42, 46, 0.12);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section {
  padding: 96px 0;
}

.section-title-wrap {
  position: relative;
  padding-left: 16px;
  margin-bottom: 48px;
}

.section-title-wrap::before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 3px;
  border-radius: 2px;
  background: var(--primary);
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 6px;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- Header / Nav ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1030;
}

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

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .5px;
}

.brand-logo:hover {
  color: var(--text);
}

.brand-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 2px;
  display: inline-block;
  flex-shrink: 0;
}

.navbar-toggler {
  border: none;
  padding: 8px 10px;
  border-radius: var(--radius-btn);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(14, 124, 102, 0.15);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%231F2A2E' stroke-width='2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
  width: 24px;
  height: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
  padding: 0;
}

.nav-links .nav-item {
  margin: 0;
}

.nav-links .nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 0;
  position: relative;
  background: none;
  border: 0;
  white-space: nowrap;
}

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

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

.nav-links .nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 4px;
  white-space: nowrap;
}

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

.nav-cta svg {
  display: block;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(110deg, rgba(247, 245, 242, 0.96) 25%, rgba(247, 245, 242, 0.82)), url('/assets/images/backpic/back-1.png') center 35% / cover no-repeat;
}

.hero::after {
  content: '';
  position: absolute;
  right: -140px;
  top: -140px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(14, 124, 102, 0.22);
  border-radius: 50%;
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  right: 60px;
  bottom: -180px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(232, 163, 61, 0.25);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 80px 0;
}

.hero-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin: 0 0 18px;
  letter-spacing: 1px;
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  line-height: 1.4;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn-cta:hover {
  background: var(--accent-dark);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(232, 163, 61, 0.3);
}

.btn-cta:focus-visible {
  outline: 3px solid rgba(232, 163, 61, 0.4);
  outline-offset: 2px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  line-height: 1.4;
  transition: background .2s ease, transform .2s ease;
}

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

.btn-outline:focus-visible {
  outline: 3px solid rgba(14, 124, 102, 0.2);
  outline-offset: 2px;
}

.btn-primary-solid {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn-primary-solid:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(14, 124, 102, 0.25);
}

.btn-primary-solid:focus-visible {
  outline: 3px solid rgba(14, 124, 102, 0.3);
  outline-offset: 2px;
}

/* ---------- Feature Cards ---------- */
.feature-section {
  background: var(--bg);
}

.feature-card {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 32px;
  height: 100%;
  transition: box-shadow .25s ease, transform .25s ease;
  border: 1px solid rgba(228, 224, 216, 0.6);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: background .25s ease, transform .25s ease;
}

.feature-card:hover .feature-icon {
  background: var(--accent);
  transform: scale(1.04);
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- Scenario / Steps ---------- */
.scenario-section {
  background: #fff;
}

.scenario-media {
  position: relative;
  margin-bottom: 32px;
}

.scenario-media .main-img {
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  width: 100%;
  object-fit: cover;
  display: block;
}

.scenario-media .float-img {
  position: absolute;
  right: -12px;
  bottom: -24px;
  width: 45%;
  border-radius: var(--radius-img);
  border: 4px solid #fff;
  box-shadow: var(--shadow-hover);
  object-fit: cover;
}

.step-item {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.step-item:first-child {
  padding-top: 4px;
}

.step-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.step-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  min-width: 56px;
  font-variant-numeric: tabular-nums;
}

.step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.step-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- Latest Info ---------- */
.info-section {
  background: var(--bg);
}

.info-list-wrap {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  min-height: 64px;
  border-bottom: 1px solid var(--border);
  transition: background .2s ease;
  color: var(--text);
}

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

.info-item:hover {
  background: var(--bg);
  color: var(--text);
}

.info-cat {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.info-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  flex: 0 0 30%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.info-summary {
  font-size: 14px;
  color: var(--text-secondary);
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.info-date {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.info-arrow {
  font-size: 15px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform .2s ease, color .2s ease;
}

.info-item:hover .info-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  font-size: 14px;
  color: var(--text-muted);
}

.more-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

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

.more-link svg {
  transition: transform .2s ease;
}

.more-link:hover svg {
  transform: translateX(4px);
}

/* ---------- Social Proof ---------- */
.proof-section {
  background: var(--dark);
  color: #fff;
}

.proof-section .section-title {
  color: #fff;
}

.proof-section .section-subtitle {
  color: #A3B3B7;
}

.proof-section .section-title-wrap::before {
  background: var(--accent);
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 14px;
  color: #A3B3B7;
  margin-top: 6px;
}

.testimonial-card {
  border-left: 2px solid var(--accent);
  padding: 8px 0 8px 24px;
  height: 100%;
}

.testimonial-card blockquote {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: #E4E0D8;
}

.testimonial-card .testimonial-author {
  font-size: 13px;
  color: #6F8489;
}

/* ---------- FAQ ---------- */
.faq-section {
  background: #fff;
}

.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.faq-wrap .accordion-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0 !important;
}

.faq-wrap .accordion-button {
  background: transparent;
  box-shadow: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  padding: 20px 44px 20px 0;
  border-radius: 0 !important;
}

.faq-wrap .accordion-button:not(.collapsed) {
  color: var(--primary);
  background: transparent;
}

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

.faq-wrap .accordion-button:hover {
  color: var(--primary);
}

.faq-wrap .accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E7C66'%3E%3Cpath d='M8 0a1 1 0 0 1 1 1v6h6a1 1 0 1 1 0 2H9v6a1 1 0 1 1-2 0V9H1a1 1 0 1 1 0-2h6V1a1 1 0 0 1 1-1z'/%3E%3C/svg%3E");
  background-size: 18px;
  width: 18px;
  height: 18px;
  transition: transform .25s ease;
}

.faq-wrap .accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E7C66'%3E%3Cpath d='M8 0a1 1 0 0 1 1 1v6h6a1 1 0 1 1 0 2H9v6a1 1 0 1 1-2 0V9H1a1 1 0 1 1 0-2h6V1a1 1 0 0 1 1-1z'/%3E%3C/svg%3E");
  transform: rotate(45deg);
}

.faq-wrap .accordion-body {
  padding: 0 40px 24px 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ---------- CTA ---------- */
.cta-section {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(17, 42, 46, 0.88), rgba(17, 42, 46, 0.88)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  pointer-events: none;
}

.cta-box {
  position: relative;
  z-index: 2;
  background: var(--primary);
  border-radius: var(--radius-card);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.cta-title {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
  margin: 0 0 8px;
}

.cta-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.cta-actions {
  flex-shrink: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  color: #A3B3B7;
  border-top: 1px solid var(--dark-border);
}

.site-footer .footer-top {
  padding: 64px 0 48px;
}

.footer-brand {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #A3B3B7;
  margin: 0;
  max-width: 300px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: .5px;
}

.footer-links {
  margin: 0;
  padding: 0;
}

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

.footer-links a {
  font-size: 14px;
  color: #A3B3B7;
  transition: color .2s ease;
}

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

.footer-contact {
  font-size: 14px;
  color: #A3B3B7;
  margin: 0;
  line-height: 2;
}

.footer-bottom {
  border-top: 1px solid var(--dark-border);
  padding: 20px 0;
  font-size: 13px;
  color: #6F8489;
}

/* ---------- Mobile Bottom Bar ---------- */
.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--dark);
  z-index: 1040;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-top: 1px solid var(--dark-border);
}

.mobile-cta-bar .mobile-cta-text {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
}

.mobile-cta-bar .mobile-cta-btn {
  background: var(--accent);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 8px 20px;
  white-space: nowrap;
  transition: background .2s ease;
}

.mobile-cta-bar .mobile-cta-btn:hover {
  background: var(--accent-dark);
  color: var(--text);
}

/* ---------- Responsive ---------- */
@media (max-width: 1199.98px) {
  .info-title {
    flex-basis: 26%;
  }
}

@media (max-width: 991.98px) {
  .site-header .navbar-collapse {
    background: #fff;
    border-top: 1px solid var(--border);
    margin-top: 0;
    padding: 16px 0;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .nav-links .nav-link {
    display: block;
    width: 100%;
    padding: 12px 0;
    min-height: 44px;
    font-size: 15px;
  }

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

  .nav-cta {
    padding: 12px 0;
    min-height: 44px;
  }

  .hero-title {
    font-size: 38px;
  }

  .scenario-media {
    margin-bottom: 44px;
  }

  .scenario-media .float-img {
    right: 12px;
  }

  .cta-box {
    padding: 36px;
  }
}

@media (max-width: 767.98px) {
  .section {
    padding: 64px 0;
  }

  .hero {
    min-height: 0;
  }

  .hero-inner {
    padding: 64px 0;
  }

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

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

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

  .section-title-wrap {
    margin-bottom: 36px;
  }

  .stat-number {
    font-size: 30px;
  }

  .testimonial-card {
    margin-bottom: 24px;
  }

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

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn-cta {
    width: 100%;
  }

  .info-item {
    flex-wrap: wrap;
    padding: 14px 16px;
    gap: 8px;
    min-height: 0;
  }

  .info-title {
    flex: 1 1 auto;
    font-size: 15px;
  }

  .info-date {
    margin-left: auto;
  }

  .info-summary {
    display: none;
  }

  .footer-top {
    padding: 48px 0 32px;
  }

  .footer-col {
    margin-bottom: 32px;
  }

  .mobile-cta-bar {
    display: flex;
  }

  body {
    padding-bottom: 60px;
  }
}

@media (max-width: 575.98px) {
  .container-custom {
    padding: 0 20px;
  }

  .hero-inner {
    padding: 48px 0;
  }

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

  .hero-actions .btn-cta,
  .hero-actions .btn-outline {
    width: 100%;
  }
}

/* roulang page: category1 */
:root {
            --primary: #0E7C66;
            --primary-dark: #0A6352;
            --primary-light: #E8F2EF;
            --accent: #E8A33D;
            --accent-hover: #D4912E;
            --bg: #F7F5F2;
            --card-bg: #FFFFFF;
            --dark: #112A2E;
            --text: #1F2A2E;
            --text-secondary: #5C6B6F;
            --text-muted: #8D9A9E;
            --border: #E4E0D8;
            --dark-border: #2A4549;
            --radius-card: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 12px rgba(17, 42, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(17, 42, 46, 0.12);
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            background: #fff;
            height: 72px;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
        }
        .site-header .navbar {
            height: 72px;
            padding: 0;
        }
        .brand-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }
        .brand-logo:hover {
            color: var(--primary);
        }
        .brand-dot {
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 2px;
            display: inline-block;
            flex-shrink: 0;
        }
        .nav-links {
            gap: 32px;
        }
        .nav-links .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
        }
        .nav-links .nav-link:hover {
            color: var(--primary);
        }
        .nav-links .nav-link.active {
            color: var(--primary);
        }
        .nav-links .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }
        .nav-cta {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--primary);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .nav-cta svg {
            flex-shrink: 0;
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            outline: none !important;
            box-shadow: none !important;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231F2A2E' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .site-header {
                height: auto;
            }
            .site-header .navbar {
                height: 72px;
            }
            .navbar-collapse {
                background: #fff;
                border-top: 1px solid var(--border);
                padding: 16px 24px 24px;
                margin-top: 0;
            }
            .nav-links {
                gap: 0;
            }
            .nav-links .nav-item {
                margin: 0;
            }
            .nav-links .nav-link {
                display: block;
                padding: 14px 0;
                border-bottom: 1px solid #f0eeea;
                min-height: 44px;
            }
            .nav-links .nav-link.active::after {
                display: none;
            }
            .nav-links .nav-link.active {
                color: var(--primary);
                font-weight: 600;
            }
            .nav-cta {
                margin-top: 16px;
                justify-content: center;
                width: 100%;
            }
            .ms-lg-3 {
                margin-left: 0 !important;
            }
        }
        .hero {
            background: linear-gradient(100deg, rgba(247, 245, 242, 0.96) 0%, rgba(247, 245, 242, 0.88) 50%, rgba(247, 245, 242, 0.72) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 80px 0 64px;
            position: relative;
        }
        .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: 100px;
            letter-spacing: 0.3px;
            margin-bottom: 20px;
        }
        .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }
        .hero-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 44px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all 0.2s ease;
            min-height: 44px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--text);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--text);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 163, 61, 0.25);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }
        .hero-metrics>div {
            display: flex;
            flex-direction: column;
        }
        .hero-metrics span {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-metrics p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 4px 0 0;
        }
        .section {
            padding: 96px 0;
        }
        .section-light {
            background: var(--bg);
        }
        .section-white {
            background: #fff;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 100px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            height: 100%;
            border: 1px solid rgba(228, 224, 216, 0.5);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            transition: background 0.2s ease;
        }
        .feature-icon svg {
            width: 26px;
            height: 26px;
            stroke: #fff;
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .feature-card:hover .feature-icon {
            background: var(--accent);
        }
        .feature-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }
        .feature-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .test-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            height: 100%;
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }
        .test-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .test-code {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            background: rgba(232, 163, 61, 0.1);
            padding: 2px 10px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .test-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .test-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .scenario-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }
        .scenario-media {
            flex: 1 1 320px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .scenario-media img {
            width: 100%;
            display: block;
            aspect-ratio: 16/10;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .scenario-media:hover img {
            transform: scale(1.02);
        }
        .scenario-content {
            flex: 1 1 420px;
        }
        .scenario-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .scenario-list li {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
        }
        .scenario-list li:first-child {
            padding-top: 0;
        }
        .scenario-list li:last-child {
            border-bottom: none;
        }
        .scenario-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            min-width: 44px;
        }
        .scenario-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .scenario-info p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }
        .stats-band {
            background: var(--dark);
            border-radius: var(--radius-card);
            padding: 56px 48px;
            color: #fff;
        }
        .stat-item {
            text-align: center;
            padding: 12px;
        }
        .stat-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            color: #A3B3B7;
        }
        .process-step {
            position: relative;
            display: flex;
            gap: 24px;
            padding: 32px 0;
        }
        .process-step::before {
            content: '';
            position: absolute;
            left: 21px;
            top: 50px;
            bottom: 0;
            width: 1px;
            background: var(--border);
        }
        .process-step:last-child::before {
            display: none;
        }
        .process-num {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            box-shadow: 0 0 0 4px var(--primary-light);
        }
        .process-body h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }
        .process-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 560px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 12px;
            background: #fff;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            user-select: none;
            min-height: 60px;
            gap: 16px;
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            transition: transform 0.3s ease, background 0.3s ease;
            font-size: 18px;
            font-weight: 700;
            line-height: 1;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
            border-top: 1px solid #f0eeea;
            padding-top: 16px;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .cta-box {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 56px 48px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.12);
        }
        .cta-title {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
        }
        .site-footer {
            background: var(--dark);
            color: #fff;
            margin-top: 0;
        }
        .footer-top {
            border-bottom: 1px solid var(--dark-border);
            padding: 64px 0 40px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-brand .brand-dot {
            background: var(--accent);
        }
        .footer-desc {
            font-size: 14px;
            color: #A3B3B7;
            line-height: 1.75;
            margin: 0;
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: #A3B3B7;
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-contact {
            font-size: 14px;
            color: #A3B3B7;
            line-height: 1.9;
            margin: 0;
        }
        .footer-bottom {
            padding: 20px 0;
        }
        .footer-bottom .container-custom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom span {
            font-size: 13px;
            color: #6F8489;
        }
        .mobile-sticky-bar {
            display: none;
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 64px 0;
            }
            .hero {
                min-height: 480px;
                padding: 56px 0 48px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-metrics {
                gap: 24px;
            }
            .hero-metrics span {
                font-size: 24px;
            }
            .section-title {
                font-size: 24px;
            }
            .stats-band {
                padding: 40px 24px;
            }
            .stat-num {
                font-size: 28px;
            }
            .cta-box {
                padding: 36px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-box .btn {
                width: 100%;
            }
            .mobile-sticky-bar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 60px;
                background: var(--dark);
                align-items: center;
                justify-content: space-between;
                padding: 0 20px;
                z-index: 1050;
                box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.1);
            }
            .mobile-sticky-bar .sticky-text {
                color: #fff;
                font-size: 14px;
                font-weight: 600;
                white-space: nowrap;
            }
            .mobile-sticky-bar .sticky-btn {
                background: var(--accent);
                color: var(--text);
                font-size: 14px;
                font-weight: 700;
                padding: 8px 18px;
                border-radius: 8px;
                white-space: nowrap;
            }
            body {
                padding-bottom: 60px;
            }
        }
        @media (max-width: 575.98px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .footer-top .row>div {
                margin-bottom: 24px;
            }
        }

/* roulang page: article */
:root {
  --primary: #0E7C66;
  --primary-dark: #0A6352;
  --primary-light: #E8F2EF;
  --accent: #E8A33D;
  --accent-hover: #D4912E;
  --bg: #F7F5F2;
  --white: #FFFFFF;
  --dark: #112A2E;
  --text: #1F2A2E;
  --text-secondary: #5C6B6F;
  --text-muted: #8D9A9E;
  --border: #E4E0D8;
  --dark-border: #2A4549;
  --shadow-sm: 0 2px 12px rgba(17, 42, 46, 0.06);
  --shadow-hover: 0 8px 24px rgba(17, 42, 46, 0.12);
  --radius: 16px;
  --radius-btn: 8px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { transition: color .2s ease; }
button, a { -webkit-tap-highlight-color: transparent; }
.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1030;
  height: 72px;
}
.site-header .navbar {
  min-height: 72px;
  padding: 0;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  min-height: 44px;
}
.brand-logo:hover { color: var(--primary); }
.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--primary);
  display: inline-block;
  flex-shrink: 0;
}
.nav-links .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 6px;
  margin-left: 32px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  transition: color .2s ease;
}
.nav-links .nav-link::after {
  content: '';
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 2px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}
.nav-links .nav-link:hover { color: var(--primary); }
.nav-links .nav-link:hover::after,
.nav-links .nav-link.active::after { transform: scaleX(1); }
.nav-links .nav-link.active { color: var(--primary); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 10px 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}
.nav-cta:hover { color: var(--accent-hover); }
.nav-cta svg { flex-shrink: 0; }
.navbar-toggler {
  border: none;
  padding: 10px;
  border-radius: 8px;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(14, 124, 102, 0.2);
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231f2a2e' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  width: 24px;
  height: 24px;
}
.article-page {
  padding: 48px 0 24px;
}
.breadcrumb-nav {
  max-width: 960px;
  margin: 0 auto 24px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.breadcrumb-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
}
.breadcrumb-nav a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--border); margin: 0 2px; }
.breadcrumb-current {
  color: var(--text-muted);
  max-width: 340px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-wrap {
  max-width: 960px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 48px;
}
.article-header {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.article-header h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  margin: 0 0 20px;
  word-break: break-word;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}
.article-category {
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.meta-dot { color: var(--border); }
.article-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin: 40px 0 16px;
  line-height: 1.4;
}
.article-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 32px 0 12px;
  line-height: 1.5;
}
.article-content p {
  margin: 0 0 20px;
}
.article-content blockquote {
  border-left: 2px solid var(--primary);
  background: #F1EFEA;
  padding: 16px 20px;
  border-radius: 4px;
  margin: 28px 0;
  color: var(--text);
  font-style: normal;
}
.article-content img {
  border-radius: 12px;
  max-width: 100%;
  height: auto;
  margin: 28px 0;
}
.article-content ul,
.article-content ol {
  padding-left: 22px;
  margin: 0 0 20px;
}
.article-content li {
  margin-bottom: 8px;
}
.article-content ul li::marker {
  color: var(--primary);
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover {
  color: var(--primary-dark);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}
.article-content th {
  background: var(--bg);
  font-weight: 600;
}
.article-empty {
  text-align: center;
  padding: 80px 20px;
  max-width: 720px;
  margin: 0 auto;
}
.article-empty p {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 24px;
}
.article-empty a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-btn);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: background .2s ease;
}
.article-empty a:hover {
  background: var(--primary-dark);
}
.article-prev-next {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.pn-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-height: 44px;
  flex: 0 1 auto;
}
.pn-link:hover .pn-title { color: var(--primary-dark); }
.pn-arrow {
  font-size: 18px;
  color: var(--primary);
  font-weight: 600;
}
.pn-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.pn-label {
  font-size: 12px;
  color: var(--text-muted);
}
.pn-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: color .2s;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.related-section {
  padding: 64px 0;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}
.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}
.section-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
}
.section-more:hover {
  color: var(--primary-dark);
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  height: 100%;
  transition: box-shadow .3s ease, transform .3s ease;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.related-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.related-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.related-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  line-height: 1.5;
  transition: color .2s;
}
.related-card:hover .related-card-title {
  color: var(--primary);
}
.related-card-date {
  font-size: 13px;
  color: var(--text-muted);
}
.cta-section {
  padding: 0 0 96px;
}
.cta-block {
  background: var(--primary);
  border-radius: var(--radius);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.cta-block-content h2 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.4;
}
.cta-block-content p {
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  font-size: 14px;
}
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  background: var(--accent);
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}
.btn-cta:hover {
  background: var(--accent-hover);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
}
.btn-cta:focus-visible {
  outline: 3px solid rgba(232, 163, 61, 0.45);
  outline-offset: 2px;
}
.site-footer {
  background: var(--dark);
  color: #fff;
  padding: 64px 0 0;
}
.footer-top {
  padding-bottom: 48px;
  border-bottom: 1px solid var(--dark-border);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  margin-bottom: 16px;
}
.footer-brand .brand-dot {
  background: var(--accent);
}
.footer-desc {
  font-size: 14px;
  color: #A3B3B7;
  line-height: 1.75;
  margin: 0;
  max-width: 320px;
}
.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  margin-top: 0;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #A3B3B7;
  text-decoration: none;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  transition: color .2s ease;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-contact {
  font-size: 14px;
  color: #A3B3B7;
  line-height: 2;
  margin: 0;
}
.footer-bottom {
  padding: 24px 0;
  font-size: 13px;
  color: #6F8489;
}
.footer-bottom .container-custom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
@media (max-width: 992px) {
  .site-header {
    height: auto;
    min-height: 72px;
  }
  .site-header .navbar-collapse {
    background: var(--white);
    border-top: 1px solid var(--border);
    padding: 16px 0 24px;
    margin-top: 8px;
  }
  .nav-links {
    width: 100%;
  }
  .nav-links .nav-link {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 44px;
    margin-left: 0;
    padding: 12px 8px;
    border-radius: 8px;
  }
  .nav-links .nav-link::after {
    left: 8px;
    bottom: 4px;
    right: auto;
    width: 32px;
  }
  .nav-links .nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
  }
  .nav-cta {
    margin-left: 0;
    padding: 12px 8px;
  }
  .article-page {
    padding: 32px 0 16px;
  }
  .article-wrap {
    padding: 32px 24px;
  }
  .related-section {
    padding: 48px 0;
  }
  .cta-section {
    padding: 0 0 64px;
  }
  .cta-block {
    padding: 36px 28px;
  }
}
@media (max-width: 768px) {
  .article-header h1 {
    font-size: 26px;
  }
  .article-wrap {
    padding: 24px 20px;
    border-radius: 12px;
  }
  .article-content {
    font-size: 15px;
  }
  .article-content h2 {
    font-size: 20px;
  }
  .section-title {
    font-size: 22px;
  }
  .related-card-img {
    height: 180px;
  }
  .cta-block {
    padding: 32px 24px;
    flex-direction: column;
    text-align: center;
  }
  .cta-block-content p {
    margin-bottom: 8px;
  }
  .footer-top .row > [class*="col-"] {
    margin-bottom: 8px;
  }
  .footer-contact {
    margin-bottom: 16px;
  }
}
@media (max-width: 576px) {
  .breadcrumb-nav {
    font-size: 12px;
    gap: 4px;
  }
  .breadcrumb-current {
    max-width: 160px;
  }
  .article-meta {
    gap: 8px;
  }
  .article-prev-next {
    flex-direction: column;
    gap: 12px;
  }
  .pn-link {
    width: 100%;
  }
  .pn-link.next-link {
    justify-content: flex-end;
  }
  .related-card-img {
    height: 160px;
  }
  .cta-section {
    padding: 0 0 48px;
  }
  .footer-top {
    padding-bottom: 24px;
  }
}