/* roulang page: index */
:root {
  --primary: #1f2a6e;
  --primary-dark: #141b4b;
  --accent: #16b8a6;
  --accent-dark: #0f8f81;
  --accent-2: #f5a623;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #1c2240;
  --text-muted: #697089;
  --border: #e6e9f2;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 16px rgba(20, 26, 64, 0.06);
  --shadow-md: 0 12px 32px rgba(20, 26, 64, 0.10);
  --shadow-lg: 0 24px 60px rgba(20, 26, 64, 0.16);
  --section-pad: 96px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  transition: color .22s ease, box-shadow .22s ease;
}

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

h1, h2, h3, h4, h5 {
  line-height: 1.25;
  font-weight: 800;
}

.container {
  max-width: 1180px;
}

.btn {
  border-radius: 999px;
  font-weight: 600;
  padding: 12px 28px;
  letter-spacing: .02em;
  transition: all .25s ease;
}

.btn-primary {
  --bs-btn-bg: var(--primary);
  --bs-btn-border-color: var(--primary);
  --bs-btn-hover-bg: var(--primary-dark);
  --bs-btn-hover-border-color: var(--primary-dark);
  --bs-btn-active-bg: var(--primary-dark);
  --bs-btn-active-border-color: var(--primary-dark);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-3px);
  box-shadow: 0 12px 25px rgba(31, 42, 110, 0.22);
}

.btn-accent {
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-hover-bg: var(--accent-dark);
  --bs-btn-hover-border-color: var(--accent-dark);
  --bs-btn-active-bg: var(--accent-dark);
  --bs-btn-active-border-color: var(--accent-dark);
  color: #fff;
}

.btn-accent:hover,
.btn-accent:focus {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 12px 25px rgba(22, 184, 166, 0.25);
}

.btn-lg {
  padding: 15px 34px;
  font-size: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid rgba(230, 233, 242, 0.8);
  padding: 14px 0;
}

.header-row {
  min-height: 56px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: .01em;
}

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

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary) 10%, var(--accent) 100%);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 8px 20px rgba(31, 42, 110, 0.22);
}

.seg-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #f0f2f9;
  padding: 6px;
  border-radius: 999px;
}

.seg-item {
  display: inline-block;
  padding: 9px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .94rem;
  color: #59607f;
  text-decoration: none;
  transition: all .22s ease;
  white-space: nowrap;
}

.seg-item:hover {
  background: rgba(255, 255, 255, 0.7);
  color: var(--primary);
}

.seg-item.active {
  background: var(--surface);
  color: var(--primary);
  box-shadow: 0 5px 16px rgba(31, 42, 110, 0.12);
}

.menu-toggle {
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 14px;
  background: #f0f2f9;
  color: var(--primary);
  font-size: 1.1rem;
  display: none;
  align-items: center;
  justify-content: center;
}

.mobile-nav {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-md);
  margin-top: 10px;
}

.mobile-nav a {
  display: block;
  padding: 12px 16px;
  border-radius: 10px;
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  font-size: .95rem;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background: rgba(22, 184, 166, 0.1);
  color: var(--primary);
}

.hero-section {
  position: relative;
  isolation: isolate;
  padding: 130px 0 110px;
  color: #fff;
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, rgba(10, 16, 48, .94) 8%, rgba(20, 28, 78, .75) 46%, rgba(31, 42, 110, .48) 100%);
}

.hero-content {
  max-width: 660px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.32);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: .86rem;
  letter-spacing: .06em;
}

.hero-content h1 {
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  margin: 26px 0 20px;
}

.hero-content > p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.08rem;
  line-height: 1.85;
}

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

.hero-actions .btn {
  min-width: 150px;
}

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

.btn-white:hover {
  background: #f2f4ff;
  border-color: #f2f4ff;
  color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 48px;
  margin-top: 48px;
  padding-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, .2);
}

.hero-stats .stat h3 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.hero-stats .stat span {
  color: rgba(255, 255, 255, .72);
  font-size: .92rem;
}

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

.section-surface {
  background: var(--surface);
}

.section-head {
  margin-bottom: 46px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-dark);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .1em;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -.01em;
}

.section-lead {
  max-width: 720px;
  color: var(--text-muted);
  line-height: 1.8;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-copy h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  margin: 16px 0;
}

.about-copy > p {
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 12px;
}

.about-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 30px;
}

.point-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
}

.point-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.point-item .point-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(31, 42, 110, .1), rgba(22, 184, 166, .12));
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.point-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.point-item p {
  font-size: .88rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

.about-visual {
  position: relative;
}

.about-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
}

.about-visual .float-card {
  position: absolute;
  left: -24px;
  bottom: 30px;
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-visual .float-card .num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.about-visual .float-card .label {
  color: var(--text-muted);
  font-size: .85rem;
  line-height: 1.4;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.cat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
  height: 100%;
  text-decoration: none;
  color: var(--text);
  display: block;
}

.cat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  color: var(--text);
}

.cat-card .cat-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.cat-card .cat-img::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(15, 22, 60, .55), transparent);
}

.cat-card .cat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.cat-card:hover .cat-img img {
  transform: scale(1.06);
}

.cat-card .cat-body {
  padding: 26px;
}

.cat-card .cat-body h3 {
  font-size: 1.22rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.cat-card .cat-body p {
  color: var(--text-muted);
  font-size: .93rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.cat-link {
  font-weight: 700;
  color: var(--primary);
  font-size: .95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.cat-link i {
  transition: transform .22s ease;
}

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

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

.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.news-row {
  display: flex;
  gap: 22px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: var(--text);
  transition: all .3s ease;
}

.news-row:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  color: var(--text);
  border-color: transparent;
}

.news-row-thumb {
  width: 220px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.news-row-thumb img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.news-row-body {
  flex: 1;
  min-width: 0;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.badge-cat {
  display: inline-flex;
  align-items: center;
  background: rgba(22, 184, 166, .12);
  color: var(--accent-dark);
  font-weight: 700;
  font-size: .78rem;
  padding: 5px 12px;
  border-radius: 999px;
}

.news-time {
  color: var(--text-muted);
  font-size: .85rem;
}

.news-row-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 10px 0 6px;
  transition: color .2s ease;
}

.news-row:hover h3 {
  color: var(--primary);
}

.news-row-body p {
  color: var(--text-muted);
  font-size: .95rem;
  line-height: 1.7;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-more {
  font-weight: 700;
  color: var(--primary);
  font-size: .92rem;
}

.empty-list {
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

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

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  color: var(--primary);
  background: linear-gradient(135deg, rgba(31, 42, 110, .08), rgba(22, 184, 166, .14));
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.feature-card p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

.stats-section {
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  isolation: isolate;
  padding: 84px 0;
  color: #fff;
}

.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, rgba(10, 15, 45, .92), rgba(18, 28, 88, .86));
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item h3 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin: 0 0 8px;
}

.stat-item p {
  color: rgba(255, 255, 255, .75);
  margin: 0;
  font-size: .96rem;
}

.stat-item .stat-ico {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, .5);
}

.spotlight-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.spotlight-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.spotlight-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.spotlight-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
}

.spotlight-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.spotlight-list li:last-child {
  border-bottom: 0;
}

.spotlight-list .li-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(22, 184, 166, .12);
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
}

.spotlight-list strong {
  display: block;
  font-size: 1rem;
}

.spotlight-list p {
  color: var(--text-muted);
  font-size: .9rem;
  margin: 2px 0 0;
  line-height: 1.6;
}

.faq-section {
  background: var(--surface);
}

.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.accordion-button {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  border: 0;
  background: transparent;
  box-shadow: none;
}

.accordion-button:not(.collapsed) {
  background: rgba(22, 184, 166, .08);
  color: var(--primary);
}

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

.accordion-button::after {
  opacity: .5;
  transition: transform .2s ease;
}

.accordion-body {
  color: var(--text-muted);
  line-height: 1.8;
  padding: 4px 24px 22px;
}

.cta-section {
  padding: 0 0 96px;
  background: var(--bg);
}

.cta-box {
  position: relative;
  isolation: isolate;
  border-radius: 32px;
  background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  overflow: hidden;
  text-align: center;
  padding: 76px 24px;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg, rgba(31, 42, 110, .94), rgba(22, 184, 166, .82));
}

.cta-box h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-box p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, .88);
  max-width: 560px;
  margin: 0 auto 28px;
}

.cta-box .btn-white:hover {
  background: #f2f4ff;
  border-color: #f2f4ff;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
  color: var(--primary-dark);
}

.site-footer {
  background: #0e1533;
  color: rgba(255, 255, 255, .72);
  padding: 64px 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  text-decoration: none;
}

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

.footer-desc {
  font-size: .92rem;
  line-height: 1.8;
  max-width: 340px;
}

.footer-title {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 16px;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, .72);
  text-decoration: none;
  font-size: .92rem;
  transition: color .2s ease;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: .88rem;
  color: rgba(255, 255, 255, .5);
}

@media (max-width: 992px) {
  .seg-nav {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero-section {
    padding: 100px 0 80px;
  }

  .hero-content h1 {
    font-size: 2.6rem;
  }

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

  .about-visual {
    order: -1;
  }

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

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

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

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 64px;
  }

  .hero-section {
    padding: 80px 0 60px;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-stats {
    gap: 18px 28px;
  }

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

  .news-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .news-row-thumb {
    width: 100%;
  }

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px 16px;
  }

  .stat-item h3 {
    font-size: 2.2rem;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 520px) {
  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .btn {
    width: 100%;
  }

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

  .about-points {
    grid-template-columns: 1fr;
  }

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

  .cta-box {
    padding: 50px 18px;
  }

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

/* roulang page: article */
:root {
  --primary: #0f2b46;
  --primary-light: #1e4d7b;
  --accent: #f0a500;
  --accent-hover: #d18f00;
  --bg: #f6f8fb;
  --card-bg: #ffffff;
  --text: #1a2a3a;
  --text-weak: #5c6f82;
  --border: #e1e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(15, 43, 70, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 43, 70, 0.14);
  --spacing-xxl: 88px;
  --spacing-xl: 64px;
  --spacing-lg: 48px;
  --spacing-md: 32px;
  --spacing-sm: 20px;
}
* { 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", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color 0.25s ease, opacity 0.25s ease; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
.btn {
  border-radius: 50px;
  padding: 10px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary-custom {
  background: var(--accent);
  color: #0f2b46;
}
.btn-primary-custom:hover {
  background: var(--accent-hover);
  color: #0f2b46;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(240, 165, 0, 0.35);
}
.btn-outline-custom {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary-light);
}
.btn-outline-custom:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 43, 70, 0.2);
}
.btn:focus, .btn:active, .btn:focus-visible {
  outline: 3px solid rgba(240, 165, 0, 0.3);
  outline-offset: 2px;
}
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(240, 165, 0, 0.4);
  outline-offset: 2px;
}
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 16px rgba(0,0,0,0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-area .logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #0f2b46 0%, #1e4d7b 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f0a500;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(15,43,70,0.25);
}
.logo-area .logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  line-height: 1.2;
}
.logo-area .logo-sub {
  font-size: 0.72rem;
  color: var(--text-weak);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.seg-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: #eef2f7;
  padding: 5px;
  border-radius: 42px;
}
.seg-item {
  padding: 8px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-weak);
  border-radius: 40px;
  white-space: nowrap;
  transition: all 0.3s ease;
}
.seg-item:hover { color: var(--primary); background: rgba(255,255,255,0.8); }
.seg-item.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(15,43,70,0.3);
}
.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.header-cta .cta-btn {
  background: var(--accent);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 9px 24px;
  border-radius: 40px;
  transition: all 0.3s ease;
  border: none;
  box-shadow: 0 4px 12px rgba(240,165,0,0.3);
}
.header-cta .cta-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(240,165,0,0.4);
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--primary);
  cursor: pointer;
  padding: 8px;
}
.mobile-nav {
  display: none;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 16px 24px;
}
.mobile-nav.show { display: block; }
.mobile-nav .seg-item {
  display: block;
  padding: 12px 16px;
  margin-bottom: 4px;
  border-radius: 12px;
  color: var(--text);
  font-weight: 600;
}
.mobile-nav .seg-item.active {
  background: var(--primary);
  color: #fff;
}
@media (max-width: 1024px) {
  .seg-nav { display: none !important; }
  .header-cta .cta-btn { display: none; }
  .mobile-toggle { display: block; }
  .mobile-nav { display: none; }
}
.page-banner {
  background: linear-gradient(135deg, #0f2b46 0%, #1e4d7b 60%, #0f2b46 100%);
  padding: 64px 0 72px;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(240,165,0,0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.page-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: 5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(30,77,123,0.5) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner .banner-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.page-banner .banner-breadcrumb a { color: rgba(255,255,255,0.75); }
.page-banner .banner-breadcrumb a:hover { color: var(--accent); }
.page-banner .banner-breadcrumb .sep { color: rgba(255,255,255,0.3); }
.page-banner h1 {
  color: #fff;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.35;
  max-width: 800px;
  margin-bottom: 16px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.2);
}
.page-banner .banner-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.page-banner .banner-meta .badge-cat {
  background: var(--accent);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 14px;
  border-radius: 30px;
}
.article-main {
  padding: 64px 0 80px;
  position: relative;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
.article-body {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.article-featured-image {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
}
.article-content {
  padding: 40px 48px 56px;
}
.article-content .lead {
  font-size: 1.12rem;
  color: var(--text-weak);
  border-left: 4px solid var(--accent);
  padding-left: 20px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.article-content p {
  margin-bottom: 22px;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
}
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 36px 0 16px;
  color: var(--primary);
  padding-bottom: 10px;
  position: relative;
}
.article-content h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}
.article-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--primary);
}
.article-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 22px;
}
.article-content ul li {
  line-height: 1.8;
  margin-bottom: 8px;
  color: var(--text);
}
.article-content ol {
  list-style: decimal;
  padding-left: 24px;
  margin-bottom: 22px;
}
.article-content ol li {
  line-height: 1.8;
  margin-bottom: 8px;
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: #fef8ec;
  padding: 16px 24px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  color: var(--text-weak);
  font-style: italic;
}
.article-content img {
  border-radius: 12px;
  margin: 24px 0;
  box-shadow: var(--shadow);
}
.content-note {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
  font-size: 0.95rem;
  color: var(--text-weak);
  margin: 28px 0;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.article-tags .tag {
  background: #eef2f7;
  color: var(--primary-light);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 30px;
  transition: all 0.3s ease;
}
.article-tags .tag:hover {
  background: var(--primary);
  color: #fff;
}
.article-not-found {
  text-align: center;
  padding: 80px 24px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.article-not-found .not-found-icon {
  font-size: 3.6rem;
  color: var(--accent);
  margin-bottom: 20px;
}
.article-not-found h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}
.article-not-found p {
  color: var(--text-weak);
  margin-bottom: 28px;
}
.related-section {
  padding: 0 0 72px;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 16px;
}
.section-head .section-title {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--primary);
  position: relative;
  padding-bottom: 12px;
}
.section-head .section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 4px;
  background: var(--accent);
  border-radius: 4px;
}
.section-head .section-link {
  color: var(--primary-light);
  font-weight: 600;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.section-head .section-link:hover { color: var(--accent); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.4s ease;
  box-shadow: 0 4px 14px rgba(15,43,70,0.04);
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.related-card .card-img-wrap {
  position: relative;
  overflow: hidden;
  height: 190px;
}
.related-card .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .card-img-wrap img { transform: scale(1.06); }
.related-card .card-body {
  padding: 20px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.related-card .card-category {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}
.related-card .card-title {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-title a:hover { color: var(--accent); }
.related-card .card-meta {
  font-size: 0.8rem;
  color: var(--text-weak);
  margin-top: auto;
}
.cta-section {
  background: linear-gradient(135deg, #0f2b46 0%, #1e4d7b 100%);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  pointer-events: none;
}
.cta-section .container { position: relative; z-index: 2; text-align: center; }
.cta-section h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-section p {
  color: rgba(255,255,255,0.8);
  font-size: 1.06rem;
  max-width: 560px;
  margin: 0 auto 32px;
}
.site-footer {
  background: #0a1a28;
  padding: 64px 0 28px;
  color: rgba(255,255,255,0.7);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand i { color: var(--accent); }
.footer-desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  max-width: 320px;
}
.footer-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.92rem;
  transition: all 0.3s ease;
}
.footer-links a:hover { color: var(--accent); padding-left: 6px; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}
@media (max-width: 992px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-content { padding: 32px 28px 44px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .related-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .page-banner { padding: 48px 0 56px; }
  .article-content { padding: 24px 18px 36px; }
}
@media (max-width: 576px) {
  .related-grid { grid-template-columns: 1fr; }
  .header-cta .cta-btn { display: none; }
  .mobile-nav .seg-item { font-size: 0.92rem; }
  .footer-bottom span { width: 100%; text-align: center; }
}

/* roulang page: category1 */
:root {
      --ky-primary: #4f46e5;
      --ky-primary-dark: #3730a3;
      --ky-primary-light: #6366f1;
      --ky-accent: #0ea5e9;
      --ky-bg: #f8fafc;
      --ky-surface: #ffffff;
      --ky-surface-alt: #f1f5f9;
      --ky-border: #e2e8f0;
      --ky-text: #0f172a;
      --ky-text-weak: #64748b;
      --ky-radius-sm: 8px;
      --ky-radius-md: 16px;
      --ky-radius-lg: 24px;
      --ky-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
      --ky-shadow-md: 0 4px 20px rgba(15, 23, 42, 0.08);
      --ky-shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
      --ky-space: 24px;
      --ky-space-lg: 48px;
      --ky-space-xl: 80px;
    }

    .text-primary-custom { color: var(--ky-primary) !important; }
    .text-weak { color: var(--ky-text-weak) !important; }
    .bg-surface-alt { background-color: var(--ky-surface-alt) !important; }
    .bg-primary-soft { background-color: rgba(79, 70, 229, 0.06) !important; }
    .bg-accent-soft { background-color: rgba(14, 165, 233, 0.07) !important; }
    .rounded-md { border-radius: var(--ky-radius-md) !important; }
    .rounded-lg { border-radius: var(--ky-radius-lg) !important; }
    .shadow-md { box-shadow: var(--ky-shadow-md) !important; }
    .shadow-lg { box-shadow: var(--ky-shadow-lg) !important; }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background-color: var(--ky-bg);
      color: var(--ky-text);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      text-decoration: none;
      color: var(--ky-primary);
      transition: color 0.2s ease;
    }

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

    .container-custom {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section {
      padding: var(--ky-space-xl) 0;
    }

    .section-sm {
      padding: var(--ky-space-lg) 0;
    }

    .section-header {
      margin-bottom: var(--ky-space-lg);
    }

    .section-header .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(79, 70, 229, 0.08);
      color: var(--ky-primary);
      font-size: 14px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 12px;
      letter-spacing: 0.02em;
    }

    .section-header h2 {
      font-size: 32px;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--ky-text);
      margin-bottom: 8px;
      line-height: 1.3;
    }

    .section-header p {
      font-size: 17px;
      color: var(--ky-text-weak);
      max-width: 640px;
      line-height: 1.7;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    }

    .site-header .navbar-custom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 24px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--ky-text);
      letter-spacing: -0.02em;
      white-space: nowrap;
    }

    .brand-logo i {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--ky-primary), var(--ky-accent));
      color: #fff;
      font-size: 17px;
      box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    }

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

    .seg-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      background: var(--ky-surface-alt);
      padding: 6px;
      border-radius: 999px;
      border: 1px solid var(--ky-border);
    }

    .seg-nav .seg-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 500;
      color: var(--ky-text-weak);
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .seg-nav .seg-item:hover {
      color: var(--ky-primary);
      background: rgba(79, 70, 229, 0.06);
    }

    .seg-nav .seg-item.active {
      background: var(--ky-surface);
      color: var(--ky-primary);
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
      border: 1px solid rgb(226, 232, 240);
      padding: 8px 18px;
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--ky-primary);
      color: #fff;
      padding: 10px 20px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      border: none;
      transition: all 0.25s ease;
    }

    .header-cta:hover {
      background: var(--ky-primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
      color: #fff;
    }

    .navbar-toggler {
      border: none;
      background: none;
      font-size: 22px;
      color: var(--ky-text);
      padding: 8px;
      border-radius: 8px;
      width: 44px;
      height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

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

    .mobile-nav {
      display: none;
      padding: 12px 24px 20px;
      background: var(--ky-surface);
      border-top: 1px solid var(--ky-border);
    }

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

    .mobile-nav .mobile-nav-link {
      display: block;
      padding: 12px 16px;
      border-radius: 12px;
      font-size: 16px;
      font-weight: 500;
      color: var(--ky-text);
      transition: all 0.2s ease;
    }

    .mobile-nav .mobile-nav-link:hover {
      background: var(--ky-surface-alt);
      color: var(--ky-primary);
    }

    .mobile-nav .mobile-nav-link.active {
      background: rgba(79, 70, 229, 0.08);
      color: var(--ky-primary);
      font-weight: 600;
    }

    @media (max-width: 991.98px) {
      .seg-nav {
        display: none !important;
      }
      .navbar-toggler {
        display: inline-flex !important;
      }
      .header-cta {
        display: none !important;
      }
      .mobile-nav {
        display: none;
      }
      .mobile-nav.open {
        display: block;
      }
    }

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

    /* ===== Hero / Banner ===== */
    .page-hero {
      position: relative;
      background-image: url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      padding: 72px 0 56px;
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(15, 23, 42, 0.85) 30%, rgba(15, 23, 42, 0.5) 70%, rgba(79, 70, 229, 0.3) 100%);
      z-index: 1;
    }

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

    .page-hero .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #fff;
      padding: 8px 20px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 500;
      margin-bottom: 20px;
    }

    .page-hero h1 {
      font-size: 44px;
      font-weight: 800;
      color: #fff;
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }

    .page-hero .hero-sub {
      color: rgba(255, 255, 255, 0.85);
      font-size: 17px;
      max-width: 560px;
      line-height: 1.8;
      margin-bottom: 28px;
    }

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

    .btn-primary-custom {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--ky-primary);
      color: #fff;
      border: none;
      padding: 12px 28px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 600;
      transition: all 0.3s ease;
    }

    .btn-primary-custom:hover {
      background: var(--ky-primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
      color: #fff;
    }

    .btn-outline-light-custom {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      border: 1.5px solid rgba(255, 255, 255, 0.5);
      color: #fff;
      padding: 12px 28px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 500;
      transition: all 0.3s ease;
    }

    .btn-outline-light-custom:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #fff;
      color: #fff;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      margin-top: 36px;
      color: rgba(255, 255, 255, 0.75);
      font-size: 14px;
    }

    .hero-meta span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    @media (max-width: 767.98px) {
      .page-hero {
        padding: 56px 0 40px;
      }
      .page-hero h1 {
        font-size: 32px;
      }
      .page-hero .hero-sub {
        font-size: 16px;
      }
      .hero-actions .btn-primary-custom,
      .hero-actions .btn-outline-light-custom {
        padding: 11px 20px;
        font-size: 14px;
      }
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-area {
      background: var(--ky-surface);
      border-bottom: 1px solid var(--ky-border);
      padding: 14px 0;
    }

    .breadcrumb-area .breadcrumb {
      margin: 0;
      font-size: 14px;
    }

    .breadcrumb-area .breadcrumb a {
      color: var(--ky-text-weak);
    }

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

    .breadcrumb-item + .breadcrumb-item::before {
      color: var(--ky-text-weak);
      opacity: 0.5;
    }

    .breadcrumb-item.active {
      color: var(--ky-text);
      font-weight: 500;
    }

    /* ===== Category Cards ===== */
    .category-card {
      background: var(--ky-surface);
      border-radius: var(--ky-radius-md);
      overflow: hidden;
      border: 1px solid var(--ky-border);
      transition: all 0.3s ease;
      height: 100%;
    }

    .category-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--ky-shadow-lg);
      border-color: rgba(79, 70, 229, 0.2);
    }

    .category-card .card-img-wrap {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16/10;
    }

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

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

    .category-card .card-img-wrap::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(15, 23, 42, 0.4), transparent 60%);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .category-card:hover .card-img-wrap::after {
      opacity: 1;
    }

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

    .category-card .card-cat {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--ky-primary);
      background: rgba(79, 70, 229, 0.08);
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 10px;
    }

    .category-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--ky-text);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .category-card .card-desc {
      font-size: 15px;
      color: var(--ky-text-weak);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .category-card .card-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: var(--ky-text-weak);
      padding-top: 14px;
      border-top: 1px solid var(--ky-border);
    }

    /* ===== Feature Cards ===== */
    .feature-card {
      background: var(--ky-surface);
      border: 1px solid var(--ky-border);
      border-radius: var(--ky-radius-md);
      padding: 32px 24px;
      height: 100%;
      transition: all 0.3s ease;
      text-align: center;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(79, 70, 229, 0.25);
      box-shadow: var(--ky-shadow-md);
    }

    .feature-icon {
      width: 64px;
      height: 64px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 20px;
      color: var(--ky-primary);
      background: rgba(79, 70, 229, 0.1);
    }

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

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

    /* ===== Guides / List ===== */
    .guide-item {
      display: flex;
      align-items: flex-start;
      gap: 18px;
      padding: 24px;
      background: var(--ky-surface);
      border: 1px solid var(--ky-border);
      border-radius: var(--ky-radius-md);
      transition: all 0.3s ease;
      margin-bottom: 16px;
    }

    .guide-item:hover {
      border-color: rgba(79, 70, 229, 0.3);
      box-shadow: var(--ky-shadow-md);
      transform: translateX(4px);
    }

    .guide-rank {
      flex-shrink: 0;
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--ky-primary), var(--ky-accent));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 700;
    }

    .guide-content h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--ky-text);
      margin-bottom: 6px;
      line-height: 1.4;
    }

    .guide-content p {
      font-size: 14px;
      color: var(--ky-text-weak);
      line-height: 1.7;
      margin-bottom: 8px;
    }

    .guide-content .guide-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .guide-tags .tag {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 12px;
      font-weight: 500;
      color: var(--ky-text-weak);
      background: var(--ky-surface-alt);
      padding: 4px 12px;
      border-radius: 999px;
    }

    /* ===== Comparison Table ===== */
    .comparison-wrap {
      background: var(--ky-surface);
      border: 1px solid var(--ky-border);
      border-radius: var(--ky-radius-lg);
      padding: 28px;
      overflow-x: auto;
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 15px;
      min-width: 640px;
    }

    .comparison-table th {
      background: var(--ky-surface-alt);
      padding: 14px 18px;
      text-align: left;
      font-weight: 600;
      color: var(--ky-text);
      border-bottom: 2px solid var(--ky-border);
      white-space: nowrap;
    }

    .comparison-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--ky-border);
      color: var(--ky-text);
    }

    .comparison-table tr:last-child td {
      border-bottom: none;
    }

    .comparison-table tr:hover td {
      background: rgba(79, 70, 229, 0.02);
    }

    .comparison-table .table-badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 3px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 600;
    }

    .table-badge.primary {
      background: rgba(79, 70, 229, 0.1);
      color: var(--ky-primary);
    }

    .table-badge.success {
      background: rgba(16, 185, 129, 0.1);
      color: #059669;
    }

    .table-badge.warning {
      background: rgba(245, 158, 11, 0.12);
      color: #d97706;
    }

    /* ===== Steps / Flow ===== */
    .step-item {
      position: relative;
      padding-left: 84px;
      padding-bottom: 40px;
    }

    .step-item::before {
      content: "";
      position: absolute;
      left: 30px;
      top: 64px;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, rgba(79, 70, 229, 0.3), transparent);
    }

    .step-item:last-child {
      padding-bottom: 0;
    }

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

    .step-num {
      position: absolute;
      left: 0;
      top: 0;
      width: 60px;
      height: 60px;
      border-radius: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      background: linear-gradient(135deg, var(--ky-primary), var(--ky-accent));
      box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
    }

    .step-item h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--ky-text);
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 15px;
      color: var(--ky-text-weak);
      line-height: 1.75;
      max-width: 86%;
    }

    @media (max-width: 767.98px) {
      .step-item {
        padding-left: 72px;
      }
      .step-item::before {
        left: 24px;
      }
      .step-num {
        width: 50px;
        height: 50px;
        font-size: 17px;
        border-radius: 14px;
      }
      .step-item p {
        max-width: 100%;
      }
    }

    /* ===== FAQ ===== */
    .faq-item {
      border: 1px solid var(--ky-border);
      border-radius: var(--ky-radius-md);
      background: var(--ky-surface);
      margin-bottom: 14px;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .faq-item:hover {
      border-color: rgba(79, 70, 229, 0.25);
      box-shadow: var(--ky-shadow-sm);
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-weight: 600;
      font-size: 16px;
      color: var(--ky-text);
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary .faq-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 999px;
      background: rgba(79, 70, 229, 0.1);
      color: var(--ky-primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      transition: transform 0.3s ease;
    }

    .faq-item[open] summary .faq-icon {
      transform: rotate(45deg);
      background: var(--ky-primary);
      color: #fff;
    }

    .faq-item .faq-content {
      padding: 0 24px 20px;
      font-size: 15px;
      color: var(--ky-text-weak);
      line-height: 1.75;
    }

    /* ===== CTA ===== */
    .cta-section {
      background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 50%, #164e63 100%);
      border-radius: var(--ky-radius-lg);
      padding: 64px 48px;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      top: -50%;
      right: -20%;
      width: 400px;
      height: 400px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent 70%);
    }

    .cta-section::after {
      content: "";
      position: absolute;
      bottom: -60%;
      left: -10%;
      width: 300px;
      height: 300px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(14, 165, 233, 0.2), transparent 70%);
    }

    .cta-section .cta-inner {
      position: relative;
      z-index: 2;
      text-align: center;
    }

    .cta-section h2 {
      color: #fff;
      font-size: 32px;
      font-weight: 700;
      margin-bottom: 12px;
      letter-spacing: -0.02em;
    }

    .cta-section p {
      color: rgba(255, 255, 255, 0.75);
      font-size: 16px;
      max-width: 560px;
      margin: 0 auto 28px;
      line-height: 1.7;
    }

    .cta-section .btn-primary-custom {
      background: #fff;
      color: var(--ky-text);
    }

    .cta-section .btn-primary-custom:hover {
      background: var(--ky-primary-light);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-outline-custom {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      border: 1.5px solid rgba(255, 255, 255, 0.4);
      color: rgba(255, 255, 255, 0.9);
      padding: 12px 28px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 500;
      transition: all 0.3s ease;
    }

    .btn-outline-custom:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #fff;
      color: #fff;
    }

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

    @media (max-width: 767.98px) {
      .cta-section {
        padding: 40px 24px;
        border-radius: var(--ky-radius-md);
      }
      .cta-section h2 {
        font-size: 26px;
      }
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #0f172a;
      padding: 64px 0 0;
      margin-top: var(--ky-space-xl);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }

    .footer-brand i {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--ky-primary), var(--ky-accent));
      color: #fff;
      font-size: 15px;
    }

    .footer-brand:hover {
      color: #fff;
      opacity: 0.9;
    }

    .footer-desc {
      color: rgba(255, 255, 255, 0.55);
      font-size: 14px;
      line-height: 1.7;
      max-width: 320px;
      margin-bottom: 0;
    }

    .footer-title {
      color: #fff;
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 18px;
    }

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

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

    .footer-links a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .footer-links a::before {
      content: "›";
      font-weight: 700;
      opacity: 0;
      transform: translateX(-4px);
      transition: all 0.2s ease;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(2px);
    }

    .footer-links a:hover::before {
      opacity: 1;
      transform: translateX(0);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding: 24px 0;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.4);
    }

    @media (max-width: 767.98px) {
      .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-bottom {
        flex-direction: column-reverse;
        align-items: flex-start;
      }
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      :root {
        --ky-space-xl: 60px;
      }
      .section-header h2 {
        font-size: 28px;
      }
      .footer-top {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --ky-space-lg: 32px;
        --ky-space-xl: 48px;
      }
      .section-header h2 {
        font-size: 24px;
      }
      .category-card .card-body {
        padding: 18px;
      }
      .guide-item {
        flex-direction: column;
        gap: 14px;
        padding: 20px;
      }
      .guide-rank {
        width: 42px;
        height: 42px;
        font-size: 16px;
        border-radius: 12px;
      }
      .comparison-wrap {
        padding: 16px;
      }
    }

    @media (max-width: 520px) {
      .section-header p {
        font-size: 15px;
      }
      .category-card .card-meta {
        flex-wrap: wrap;
        gap: 8px;
      }
      .cta-actions {
        flex-direction: column;
      }
      .cta-actions .btn-primary-custom,
      .cta-actions .btn-outline-custom {
        width: 100%;
        justify-content: center;
      }
    }

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

    /* ===== Dark Section ===== */
    .section-dark {
      background: #0f172a;
    }

    .section-dark .section-header h2 {
      color: #fff;
    }

    .section-dark .section-header p {
      color: rgba(255, 255, 255, 0.65);
    }

    .section-dark .section-tag {
      background: rgba(99, 102, 241, 0.15);
      color: #a5b4fc;
    }

/* roulang page: category2 */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --accent: #06b6d4;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --gray-bg: #f1f5f9;
  --white: #ffffff;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.14);
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark);
  margin-bottom: 0;
}

.container {
  max-width: 1240px;
  padding-left: 20px;
  padding-right: 20px;
}

/* ===== Header & Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.site-brand {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.site-brand i {
  color: var(--primary);
  font-size: 1.4rem;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-light), #e0f2fe);
  border-radius: 12px;
}

.site-brand:hover {
  color: var(--primary);
}

.seg-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--gray-bg);
  padding: 4px;
  border-radius: 40px;
}

.seg-item {
  display: inline-block;
  padding: 8px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-weak);
  border-radius: 40px;
  transition: var(--transition);
  white-space: nowrap;
}

.seg-item:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.8);
}

.seg-item.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-primary-custom {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none;
  color: #fff;
  padding: 10px 22px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 40px;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.32);
  color: #fff;
}

.btn-outline-custom {
  border: 1.5px solid var(--border);
  background: var(--white);
  color: var(--text);
  padding: 8px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 40px;
  transition: var(--transition);
}

.btn-outline-custom:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.mobile-toggle {
  background: none;
  border: 1px solid var(--border);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-size: 1.2rem;
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.mobile-menu {
  display: none;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--white);
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: var(--gray-bg);
  color: var(--primary);
}

/* ===== Banner / Page Hero ===== */
.page-hero {
  position: relative;
  padding: 96px 0 80px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #1e3a5f 100%);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.2));
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #e0f2fe;
  padding: 6px 18px;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 500;
  backdrop-filter: blur(6px);
  margin-bottom: 24px;
}

.hero-content h1 {
  color: #fff;
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-content h1 span {
  background: linear-gradient(90deg, #60a5fa, #22d3ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.08rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero-breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
}

.hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

.hero-breadcrumb i {
  font-size: 0.7rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat .num {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hero-stat .label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* ===== Section Common ===== */
.section-block {
  padding: 84px 0;
}

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

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.section-head .eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.section-head h2 {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-head .sub {
  color: var(--text-weak);
  font-size: 0.98rem;
  max-width: 420px;
}

/* ===== Intro Split ===== */
.intro-wrap {
  display: flex;
  align-items: center;
  gap: 56px;
}

.intro-media {
  flex: 0 0 46%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.intro-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.intro-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.3), transparent 60%);
}

.intro-content {
  flex: 1;
}

.intro-content .badge-custom {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.82rem;
  border-radius: 40px;
  padding: 6px 16px;
  margin-bottom: 18px;
}

.intro-content h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.intro-content p {
  color: var(--text-weak);
  margin-bottom: 20px;
  line-height: 1.9;
}

.intro-list {
  margin-top: 20px;
}

.intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-weight: 600;
  color: var(--dark-2);
  font-size: 0.95rem;
}

.intro-list li:last-child {
  border-bottom: none;
}

.intro-list li i {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 3px;
}

/* ===== Topic Chips ===== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.topic-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

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

.topic-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.topic-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-radius: 20px;
  font-size: 1.6rem;
  color: var(--primary);
}

.topic-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.topic-card p {
  font-size: 0.85rem;
  color: var(--text-weak);
  line-height: 1.6;
}

/* ===== Review Cards ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.review-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.review-media {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.review-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.review-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 2;
}

.review-score {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(37, 99, 235, 0.92);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 20px;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

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

.review-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-weak);
  margin-bottom: 12px;
}

.review-meta i {
  color: var(--accent);
}

.review-body h3 {
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.review-body p {
  font-size: 0.9rem;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.review-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--primary);
}

.review-link i {
  transition: transform 0.3s ease;
}

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

/* ===== Process Steps ===== */
.steps-wrap {
  position: relative;
  padding: 20px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.25;
}

.step-item {
  text-align: center;
  position: relative;
  padding: 0 10px;
}

.step-num {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  transition: var(--transition);
  position: relative;
  z-index: 2;
}

.step-item:hover .step-num {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
  transform: scale(1.06);
}

.step-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.82rem;
  color: var(--text-weak);
  line-height: 1.6;
}

/* ===== Stat Numbers ===== */
.stats-wrap {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  position: relative;
  overflow: hidden;
}

.stats-wrap::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.3), transparent 70%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  padding: 20px;
}

.stat-item .num {
  font-size: 2.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.stat-item .num span {
  font-size: 1.4rem;
  color: var(--accent);
}

.stat-item .label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  margin-top: 6px;
}

.stat-item .divider {
  width: 36px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin: 14px auto 0;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.faq-item summary {
  padding: 22px 28px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--dark);
  transition: var(--transition);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.85rem;
  color: var(--text-weak);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-item[open] {
  border-color: var(--primary);
}

.faq-content {
  padding: 0 28px 22px;
  color: var(--text-weak);
  font-size: 0.94rem;
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin: 0 28px 0 0;
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--primary), #1e40af);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15), transparent 70%);
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -60%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25), transparent 70%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  margin-bottom: 32px;
}

.cta-btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-white {
  background: #fff;
  color: var(--primary);
  border: none;
  padding: 12px 30px;
  font-weight: 700;
  border-radius: 40px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  color: var(--primary-dark);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  padding: 12px 30px;
  font-weight: 600;
  border-radius: 40px;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-brand i {
  color: var(--accent);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.15);
  border-radius: 10px;
  font-size: 1.1rem;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 320px;
}

.footer-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .header-inner {
    height: 64px;
  }
  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .review-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 36px;
  }
  .steps-grid::before {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .intro-wrap {
    flex-direction: column;
    gap: 32px;
  }
  .intro-media {
    flex: 0 0 100%;
    width: 100%;
  }
}

@media (max-width: 767.98px) {
  .section-block {
    padding: 56px 0;
  }
  .hero-content h1 {
    font-size: 1.7rem;
  }
  .hero-content p {
    font-size: 0.95rem;
  }
  .section-head h2 {
    font-size: 1.4rem;
  }
  .hero-stats {
    gap: 24px;
  }
  .hero-stat .num {
    font-size: 1.6rem;
  }
  .topic-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .topic-card {
    padding: 18px 14px;
  }
  .topic-icon {
    width: 52px;
    height: 52px;
    font-size: 1.3rem;
  }
  .review-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .stat-item .num {
    font-size: 2rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-section {
    padding: 48px 0;
  }
  .cta-inner h2 {
    font-size: 1.4rem;
  }
}

@media (max-width: 519.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .topic-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    flex-wrap: wrap;
  }
  .hero-stat {
    flex: 0 0 40%;
  }
  .header-actions {
    display: none;
  }
  .btn-white,
  .btn-ghost {
    width: 100%;
    text-align: center;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: category3 */
:root {
            --primary: #4f46e5;
            --primary-dark: #3730a3;
            --secondary: #06b6d4;
            --accent: #f59e0b;
            --bg: #f6f7fb;
            --bg-soft: #eef2ff;
            --text: #111827;
            --text-light: #6b7280;
            --border: #e8eaf0;
            --white: #ffffff;
            --dark: #0b1020;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 10px 30px rgba(17, 24, 39, .08);
            --shadow-lg: 0 24px 50px rgba(17, 24, 39, .12);
            --transition: all .25s ease;
            --header-h: 76px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(79, 70, 229, .4);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .container {
            max-width: 1320px;
        }

        .section {
            padding: 92px 0;
        }

        .section-head {
            margin-bottom: 48px;
        }

        .kicker {
            display: inline-block;
            color: var(--primary);
            font-weight: 700;
            letter-spacing: .1em;
            font-size: .85rem;
            text-transform: uppercase;
            margin-bottom: .5rem;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            letter-spacing: -.02em;
            margin: .4rem 0 .8rem;
            line-height: 1.3;
        }

        .section-sub {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 680px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, .86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(232, 234, 240, .9);
        }

        .site-header .container {
            min-height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }

        .site-logo i {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 8px 22px rgba(79, 70, 229, .32);
        }

        .seg-nav {
            display: flex;
            align-items: center;
            gap: .45rem;
            flex-wrap: wrap;
        }

        .seg-item {
            display: inline-flex;
            align-items: center;
            border-radius: 999px;
            padding: .5rem 1.12rem;
            font-size: .92rem;
            font-weight: 600;
            color: var(--text-light);
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .seg-item:hover {
            color: var(--primary);
            background: var(--bg-soft);
            border-color: rgba(79, 70, 229, .12);
        }

        .seg-item.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-color: transparent;
            box-shadow: 0 8px 22px rgba(79, 70, 229, .32);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: .55rem;
            border-radius: 999px;
            padding: .6rem 1.25rem;
            font-size: .9rem;
            font-weight: 700;
            color: var(--primary);
            background: var(--bg-soft);
            border: 1px solid rgba(79, 70, 229, .14);
            transition: var(--transition);
        }

        .header-cta:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            box-shadow: 0 10px 24px rgba(79, 70, 229, .3);
        }

        .btn-menu {
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text);
            border-radius: 12px;
            padding: .45rem .75rem;
            line-height: 1;
        }

        .btn-menu i {
            font-size: 1.15rem;
        }

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: .5rem;
            padding: 1rem 0 1.25rem;
        }

        .mobile-nav .seg-item {
            width: 100%;
            display: flex;
            align-items: center;
            border-radius: 14px;
            padding: .7rem 1rem;
            font-size: 1rem;
        }

        .mobile-nav .seg-item.active {
            color: #fff;
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            min-height: 470px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 16, 32, .92), rgba(49, 46, 129, .78));
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 850px;
            padding: 76px 0;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            font-size: .82rem;
            font-weight: 600;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: #c7d2fe;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .16);
            padding: .35rem 1rem;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }

        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: -.02em;
            line-height: 1.2;
            margin: 1.1rem 0 .85rem;
        }

        .hero-content p {
            color: #dbeafe;
            font-size: 1.15rem;
            max-width: 680px;
            margin-bottom: 1.8rem;
        }

        .hero-tags {
            display: flex;
            gap: .55rem;
            flex-wrap: wrap;
        }

        .hero-tags span {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 999px;
            padding: .35rem .9rem;
            font-size: .85rem;
            color: #e0e7ff;
        }

        /* ========== Path Cards ========== */
        .path-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 28px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .path-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: .85;
        }

        .path-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .path-icon {
            width: 54px;
            height: 54px;
            border-radius: 15px;
            background: linear-gradient(135deg, rgba(79, 70, 229, .12), rgba(6, 182, 212, .14));
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 20px;
        }

        .path-card h3 {
            font-size: 1.18rem;
            font-weight: 700;
            margin-bottom: .55rem;
        }

        .path-card p {
            color: var(--text-light);
            font-size: .95rem;
            margin-bottom: 1.25rem;
        }

        .path-link {
            font-weight: 600;
            color: var(--primary);
            font-size: .95rem;
        }

        .path-link i {
            margin-left: .3rem;
            transition: transform .25s ease;
        }

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

        /* ========== News Cards ========== */
        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .news-media {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .news-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .news-card:hover .news-media img {
            transform: scale(1.06);
        }

        .news-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .94);
            color: var(--primary);
            font-size: .8rem;
            font-weight: 700;
            padding: .28rem .8rem;
            border-radius: 999px;
            box-shadow: var(--shadow);
            backdrop-filter: blur(4px);
        }

        .news-body {
            padding: 24px;
        }

        .news-meta {
            color: #9ca3af;
            font-size: .82rem;
            display: flex;
            align-items: center;
            gap: .5rem;
            margin-bottom: .5rem;
        }

        .news-body h3 {
            font-size: 1.12rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 .6rem;
        }

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

        .news-body p {
            color: var(--text-light);
            font-size: .95rem;
            margin-bottom: 1.1rem;
        }

        .news-more {
            font-weight: 600;
            color: var(--primary);
            font-size: .95rem;
            display: inline-flex;
            align-items: center;
            gap: .35rem;
        }

        .news-more i {
            transition: transform .25s ease;
        }

        .news-more:hover i {
            transform: translateX(4px);
        }

        /* ========== Data Band ========== */
        .data-band {
            background: linear-gradient(135deg, #1e1b4b, #0b1020);
            color: #fff;
        }

        .data-band .section-title {
            color: #fff;
        }

        .data-band .section-sub {
            color: rgba(255, 255, 255, .7);
        }

        .data-block {
            text-align: center;
            padding: 34px 18px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius);
            height: 100%;
            backdrop-filter: blur(6px);
        }

        .data-num {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, #ffffff, #a5b4fc);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .data-label {
            color: rgba(255, 255, 255, .75);
            margin-top: .3rem;
            font-size: .95rem;
        }

        /* ========== Feature Cards ========== */
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: calc(var(--radius) + 6px);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .feature-card .feature-media {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .feature-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .feature-body {
            padding: 30px;
        }

        .feature-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: .6rem;
        }

        .feature-body p {
            color: var(--text-light);
            font-size: .95rem;
            margin-bottom: 1.1rem;
        }

        /* ========== FAQ ========== */
        .accordion {
            --bs-accordion-border-color: var(--border);
            --bs-accordion-border-radius: var(--radius);
            --bs-accordion-inner-border-radius: var(--radius);
            --bs-accordion-bg: #fff;
            --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(79, 70, 229, .15);
            --bs-accordion-active-bg: var(--bg-soft);
            --bs-accordion-active-color: var(--primary);
            --bs-accordion-btn-padding-y: 1.2rem;
            --bs-accordion-body-padding-y: 1.2rem;
        }

        .accordion-item {
            box-shadow: var(--shadow);
            margin-bottom: .75rem;
            border-radius: var(--radius) !important;
            overflow: hidden;
        }

        .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
        }

        .accordion-body {
            color: var(--text-light);
        }

        /* ========== CTA ========== */
        .cta-box {
            border-radius: 26px;
            background: linear-gradient(120deg, var(--primary), var(--secondary));
            padding: 58px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-box h2 {
            color: #fff;
            font-size: 2.1rem;
            font-weight: 800;
            margin-bottom: .75rem;
        }

        .cta-box p {
            color: rgba(255, 255, 255, .88);
            font-size: 1.05rem;
            max-width: 560px;
        }

        .btn-light-custom {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: #fff;
            color: var(--primary);
            border: none;
            padding: .75rem 1.6rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: .95rem;
            transition: var(--transition);
        }

        .btn-light-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 255, 255, .25);
            color: var(--primary);
        }

        .btn-ghost-custom {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .35);
            color: #fff;
            padding: .75rem 1.6rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: .95rem;
            transition: var(--transition);
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: #cbd5e1;
            padding: 72px 0 30px;
            margin-top: 92px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: .8rem;
        }

        .footer-brand i {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 1rem;
        }

        .footer-desc {
            color: #94a3b8;
            max-width: 340px;
            margin-bottom: 0;
            font-size: .95rem;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.1rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: .6rem;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: .95rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 2rem;
            padding-top: 1.4rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #94a3b8;
            font-size: .9rem;
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .section {
                padding: 68px 0;
            }

            .page-hero h1 {
                font-size: 2.7rem;
            }

            .section-title {
                font-size: 1.9rem;
            }

            .cta-box {
                padding: 44px 30px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }

            .page-hero {
                min-height: 400px;
            }

            .page-hero h1 {
                font-size: 2.3rem;
            }

            .page-hero p {
                font-size: 1rem;
            }

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

            .data-num {
                font-size: 2.5rem;
            }

            .cta-box {
                padding: 36px 24px;
                border-radius: 20px;
            }

            .cta-box h2 {
                font-size: 1.7rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: .4rem;
                align-items: flex-start;
            }
        }

        @media (max-width: 575.98px) {
            .page-hero {
                min-height: 360px;
            }

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

            .page-hero h1 {
                font-size: 1.95rem;
            }

            .section {
                padding: 48px 0;
            }

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

            .news-body {
                padding: 20px;
            }

            .feature-body {
                padding: 22px;
            }

            .cta-box h2 {
                font-size: 1.5rem;
            }

            .cta-box p {
                font-size: .95rem;
            }

            .btn-light-custom,
            .btn-ghost-custom {
                width: 100%;
                justify-content: center;
                margin-bottom: .5rem;
            }
        }