/* roulang page: index */
:root {
  --primary: #1c4fd6;
  --primary-dark: #143a9e;
  --secondary: #d4a62a;
  --secondary-dark: #b8891e;
  --bg: #f5f7fc;
  --card: #ffffff;
  --text: #17233d;
  --muted: #5e6e8c;
  --border: #e2e8f2;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 12px 32px rgba(28, 79, 214, 0.08);
  --shadow-lg: 0 24px 48px rgba(18, 42, 118, 0.12);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --header-h: 72px;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
button, input, select, textarea {
  font-family: inherit;
}
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(28, 79, 214, 0.4);
  outline-offset: 2px;
}
.grid-container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
  margin-left: auto;
  margin-right: auto;
}
.section {
  padding: 84px 0;
}
.section-alt {
  background: var(--bg);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(28, 79, 214, 0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--text);
}
.section-head p {
  color: var(--muted);
  font-size: 1rem;
  margin: 0;
  line-height: 1.8;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid transparent;
  background: transparent;
  transition: all 0.25s ease;
  cursor: pointer;
}
.button.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(28, 79, 214, 0.25);
}
.button.primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(28, 79, 214, 0.32);
}
.button.secondary {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(212, 166, 42, 0.25);
}
.button.secondary:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
}
.button.outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.75);
  color: #fff;
}
.button.outline:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}
.button.outline-light {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.button.outline-light:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-2px);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: var(--header-h);
  padding-top: 8px;
  padding-bottom: 8px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), #3a72f0);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 6px 14px rgba(28, 79, 214, 0.28);
}
.logo-text {
  font-weight: 800;
  font-size: 19px;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.header-search {
  flex: 1;
  max-width: 480px;
  display: flex;
  align-items: center;
  background: #f1f5fb;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 4px 6px 4px 18px;
  transition: all 0.2s ease;
}
.header-search:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(28, 79, 214, 0.1);
}
.header-search input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  padding: 8px 0;
  color: var(--text);
}
.header-search button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 0;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.header-search button:hover {
  background: var(--primary-dark);
}
.header-nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
  flex-shrink: 0;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 500;
  font-size: 15px;
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(28, 79, 214, 0.08);
}
.nav-link.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 6px 14px rgba(28, 79, 214, 0.22);
}
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.mobile-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.mobile-toggle.is-open {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 12px 16px 16px;
}
.mobile-link {
  display: block;
  padding: 13px 16px;
  border-radius: 12px;
  font-size: 15px;
  color: var(--text);
  transition: all 0.2s;
}
.mobile-link:hover,
.mobile-link.active {
  background: rgba(28, 79, 214, 0.08);
  color: var(--primary);
}
.hero {
  position: relative;
  padding: 116px 0 96px;
  background: linear-gradient(140deg, #14204a 0%, #1c3a8f 48%, #264fa8 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 860px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(6px);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 7px 18px;
  margin-bottom: 18px;
}
.hero-badge i {
  color: var(--secondary);
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.15;
  margin: 0 0 14px;
  letter-spacing: 1px;
}
.hero-sub {
  font-size: 1.08rem;
  line-height: 1.85;
  opacity: 0.9;
  margin: 0 auto 32px;
  max-width: 700px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 42px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-stats .stat {
  text-align: center;
}
.hero-stats .stat strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.hero-stats .stat span {
  display: block;
  font-size: 13px;
  opacity: 0.78;
  margin-top: 3px;
  letter-spacing: 0.5px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(28, 79, 214, 0.2);
}
.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  background: rgba(28, 79, 214, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}
.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 10px;
}
.feature-card p {
  font-size: 0.94rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}
.explore-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.explore-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.explore-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.explore-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}
.explore-body {
  padding: 22px;
}
.explore-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 10px;
  line-height: 1.5;
}
.explore-body p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 0 0 14px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  transition: color 0.2s, gap 0.2s;
}
.text-link:hover {
  color: var(--primary-dark);
  gap: 9px;
}
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.category-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}
.category-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
}
.category-cover {
  width: 100%;
  height: 230px;
  object-fit: cover;
}
.category-body {
  padding: 28px;
}
.category-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(28, 79, 214, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.category-body h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin: 0 0 10px;
}
.category-body h3 a {
  color: var(--text);
  transition: color 0.2s;
}
.category-body h3 a:hover {
  color: var(--primary);
}
.category-body p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin: 0 0 18px;
}
.news-section {
  background: var(--bg);
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.news-item {
  display: flex;
  gap: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.news-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.news-cover {
  width: 230px;
  flex-shrink: 0;
  border-radius: 12px;
  overflow: hidden;
  display: block;
}
.news-cover img {
  width: 100%;
  height: 100%;
  min-height: 140px;
  object-fit: cover;
}
.news-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.news-body h3 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.5;
}
.news-body h3 a {
  color: var(--text);
  transition: color 0.2s;
}
.news-body h3 a:hover {
  color: var(--primary);
}
.news-body > p {
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.7;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: auto;
  color: var(--muted);
  font-size: 13px;
}
.badge {
  display: inline-flex;
  align-items: center;
  background: rgba(28, 79, 214, 0.1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
}
.meta-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.empty-tip {
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
}
.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-item {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.step-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.step-number {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(28, 79, 214, 0.14);
  margin-bottom: 18px;
  letter-spacing: -2px;
}
.step-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 10px;
}
.step-item p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}
.stats-band {
  position: relative;
  padding: 84px 0;
  background: linear-gradient(135deg, rgba(14, 24, 66, 0.94), rgba(30, 60, 150, 0.88)), url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  color: #fff;
  text-align: center;
}
.stats-band .grid-x {
  align-items: stretch;
}
.stats-item {
  padding: 28px 16px;
  border-radius: 16px;
  transition: background 0.25s;
}
.stats-item:hover {
  background: rgba(255, 255, 255, 0.06);
}
.stats-item strong {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 6px;
}
.stats-item span {
  font-size: 14px;
  opacity: 0.82;
  letter-spacing: 0.5px;
}
.faq-section {
  background: var(--bg);
}
.accordion {
  background: transparent;
  border: none;
  max-width: 880px;
  margin: 0 auto;
}
.accordion-item {
  background: #fff;
  border: 1px solid var(--border) !important;
  border-radius: 14px !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}
.accordion-title {
  background: #fff !important;
  border-bottom: 1px solid var(--border);
  color: var(--text) !important;
  font-size: 1rem;
  font-weight: 600;
  padding: 18px 50px 18px 22px;
  line-height: 1.6;
  position: relative;
  transition: color 0.2s, background 0.2s;
}
.accordion-title:hover,
.accordion-item.is-active .accordion-title {
  color: var(--primary) !important;
  background: #fbfcff !important;
}
.accordion-title::before {
  content: "\f078" !important;
  font-family: "Font Awesome 6 Free" !important;
  font-weight: 900 !important;
  font-size: 13px !important;
  color: var(--primary) !important;
  right: 22px !important;
  left: auto !important;
  transition: transform 0.2s;
}
.accordion-item.is-active .accordion-title::before {
  transform: rotate(180deg);
}
.accordion-content {
  padding: 16px 22px 20px;
  color: var(--muted);
  line-height: 1.8;
  background: #fbfcff;
  border: 0 !important;
}
.accordion-content p {
  margin: 0;
  font-size: 0.95rem;
}
.cta-section {
  padding: 88px 0;
}
.cta-box {
  position: relative;
  background: linear-gradient(135deg, #1c4fd6, #2b6cf5);
  border-radius: 26px;
  padding: 52px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: #fff;
  box-shadow: 0 24px 50px rgba(28, 79, 214, 0.25);
  overflow: hidden;
}
.cta-box::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.cta-box::before {
  content: "";
  position: absolute;
  left: -40px;
  bottom: -100px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}
.cta-copy,
.cta-actions {
  position: relative;
  z-index: 1;
}
.cta-copy h2 {
  font-size: 1.7rem;
  font-weight: 800;
  margin: 0 0 8px;
}
.cta-copy p {
  opacity: 0.9;
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.site-footer {
  background: #0f1b38;
  color: #b8c6e3;
  padding-top: 60px;
}
.footer-brand .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}
.footer-brand .footer-logo i {
  color: var(--secondary);
}
.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.8;
  margin: 0;
  max-width: 380px;
}
.site-footer h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin: 6px 0 16px;
  letter-spacing: 0.5px;
}
.footer-nav-col a {
  display: block;
  color: #b8c6e3;
  font-size: 0.92rem;
  margin-bottom: 10px;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-nav-col a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-info p {
  font-size: 0.92rem;
  margin-bottom: 10px;
  line-height: 1.6;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 44px;
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(184, 198, 227, 0.7);
}
.footer-bottom p {
  margin: 0;
}
@media screen and (max-width: 1024px) {
  .header-wrap {
    gap: 14px;
  }
  .header-search {
    max-width: 320px;
  }
  .nav-link {
    padding: 8px 12px;
    font-size: 14px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .explore-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-row {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media screen and (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .header-wrap {
    flex-wrap: wrap;
    min-height: 64px;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 12px;
  }
  .header-search {
    order: 3;
    flex-basis: 100%;
    max-width: none;
  }
  .header-nav {
    display: none;
  }
  .mobile-toggle {
    display: inline-flex;
  }
  .hero {
    padding: 76px 0 64px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .hero-stats {
    gap: 28px;
  }
  .categories-grid {
    grid-template-columns: 1fr;
  }
  .news-item {
    flex-direction: column;
  }
  .news-cover {
    width: 100%;
  }
  .news-cover img {
    min-height: 180px;
  }
  .cta-box {
    flex-direction: column;
    text-align: center;
    padding: 40px 24px;
  }
  .cta-actions {
    justify-content: center;
  }
}
@media screen and (max-width: 520px) {
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .explore-grid {
    grid-template-columns: 1fr;
  }
  .steps-row {
    grid-template-columns: 1fr;
  }
  .logo-text {
    font-size: 17px;
  }
  .footer-top .cell {
    margin-bottom: 28px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero-sub {
    font-size: 0.98rem;
  }
  .section-head {
    margin-bottom: 36px;
  }
}

/* roulang page: article */
:root {
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --accent: #d97706;
  --accent-light: #fef3c7;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-soft: #f1f5f9;
  --text-heading: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(15,23,42,.06);
  --shadow-md: 0 8px 28px rgba(15,23,42,.10);
  --shadow-lg: 0 24px 60px rgba(15,23,42,.16);
  --font-sans: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg-page);
  color:var(--text-body);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s}
a:hover{color:var(--primary-dark)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.site-header{
  background:var(--bg-card);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:var(--shadow-sm);
}
.header-main{
  display:flex;
  align-items:center;
  gap:24px;
  padding:14px 0;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-icon{
  width:42px;height:42px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:20px;
  box-shadow:0 4px 14px rgba(29,78,216,.3);
}
.logo-text{
  font-size:1.25rem;font-weight:800;
  color:var(--text-heading);
  letter-spacing:-.5px;
  white-space:nowrap;
}
.header-search{
  flex:1;
  max-width:520px;
  margin-left:auto;
}
.header-search form{
  position:relative;
  display:flex;
  align-items:center;
}
.header-search .search-icon{
  position:absolute;
  left:16px;
  color:var(--text-muted);
  font-size:14px;
  pointer-events:none;
  transition:color .25s;
}
.header-search input{
  width:100%;
  height:46px;
  border:2px solid var(--border);
  border-radius:46px;
  padding:0 20px 0 44px;
  background:var(--bg-soft);
  font-size:14px;
  color:var(--text-heading);
  outline:none;
  transition:all .3s;
}
.header-search input:focus{
  border-color:var(--primary);
  background:var(--bg-card);
  box-shadow:0 0 0 4px rgba(29,78,216,.12);
}
.header-search input::placeholder{color:var(--text-muted)}
.header-nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex-shrink:0;
}
.nav-link{
  padding:9px 16px;
  border-radius:24px;
  font-size:14px;
  font-weight:600;
  color:var(--text-body);
  transition:all .25s;
  white-space:nowrap;
}
.nav-link:hover{
  background:var(--primary-light);
  color:var(--primary);
}
.nav-link.active{
  background:var(--primary);
  color:#fff;
  box-shadow:0 4px 14px rgba(29,78,216,.3);
}
.mobile-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--bg-card);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  transition:background .25s;
}
.mobile-toggle:hover{background:var(--bg-soft)}
.mobile-toggle span{
  width:20px;height:2px;
  border-radius:2px;
  background:var(--text-heading);
  transition:all .3s;
}
.mobile-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-toggle.active span:nth-child(2){opacity:0}
.mobile-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Breadcrumb ===== */
.breadcrumb-wrap{
  background:var(--bg-card);
  border-bottom:1px solid var(--border);
  padding:12px 0;
}
.breadcrumb-list{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
}
.breadcrumb-list a{
  color:var(--text-muted);
  display:flex;align-items:center;gap:6px;
  transition:color .25s;
}
.breadcrumb-list a:hover{color:var(--primary)}
.breadcrumb-list .sep{color:#cbd5e1;font-size:12px}
.breadcrumb-list .current{
  color:var(--text-heading);
  font-weight:600;
  max-width:280px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ===== Article Hero ===== */
.article-hero{
  position:relative;
  background-size:cover;
  background-position:center;
  padding:88px 0 72px;
  text-align:center;
  overflow:hidden;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(15,23,42,.84),rgba(30,64,175,.72));
  z-index:1;
}
.hero-content{
  position:relative;
  z-index:2;
  color:#fff;
  max-width:880px;
  margin:0 auto;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.25);
  padding:6px 18px;
  border-radius:30px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.3px;
  backdrop-filter:blur(6px);
  margin-bottom:20px;
}
.hero-title{
  font-size:2.2rem;
  font-weight:800;
  line-height:1.3;
  letter-spacing:-1px;
  margin-bottom:16px;
  text-shadow:0 2px 20px rgba(0,0,0,.2);
}
.hero-meta{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:24px;
  font-size:14px;
  color:rgba(255,255,255,.85);
}
.hero-meta span{
  display:flex;align-items:center;gap:8px;
}
.hero-meta i{color:rgba(255,255,255,.6)}

/* ===== Article Layout ===== */
.article-section{
  padding:48px 0 20px;
  position:relative;
  z-index:5;
}
.article-card{
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);
  overflow:hidden;
  padding:40px 44px;
  margin-top:-44px;
  border:1px solid rgba(255,255,255,.8);
}
.article-abstract{
  background:var(--primary-light);
  border-radius:var(--radius-md);
  padding:22px 26px;
  margin-bottom:28px;
  border-left:4px solid var(--primary);
}
.article-abstract h3{
  font-size:15px;
  font-weight:700;
  color:var(--primary-dark);
  display:flex;align-items:center;gap:8px;
  margin-bottom:8px;
}
.article-abstract p{
  font-size:15px;
  color:var(--text-body);
  line-height:1.8;
}
.article-divider{
  height:1px;
  background:var(--border);
  margin:32px 0;
}
.article-content{
  font-size:15.5px;
  line-height:1.9;
  color:var(--text-body);
}
.article-content h2{
  font-size:1.4rem;
  font-weight:700;
  color:var(--text-heading);
  margin:32px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--primary);
  line-height:1.4;
}
.article-content h3{
  font-size:1.15rem;
  font-weight:700;
  color:var(--text-heading);
  margin:24px 0 12px;
  line-height:1.5;
}
.article-content p{
  margin-bottom:18px;
}
.article-content ul,.article-content ol{
  margin:0 0 20px 24px;
  list-style:disc;
}
.article-content ol{list-style:decimal}
.article-content li{
  margin-bottom:8px;
  line-height:1.8;
}
.article-content a{
  border-bottom:1px solid var(--primary-light);
  font-weight:500;
}
.article-content a:hover{border-bottom-color:var(--primary)}
.article-content blockquote{
  background:var(--bg-soft);
  border-left:4px solid var(--accent);
  padding:16px 22px;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  margin:24px 0;
  color:var(--text-muted);
  font-style:italic;
}
.article-content img{
  border-radius:var(--radius-md);
  margin:24px 0;
  box-shadow:var(--shadow-sm);
}
.article-content strong{
  color:var(--text-heading);
  font-weight:700;
}
.article-share{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--text-muted);
}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:24px;
  border:1px solid var(--border);
  background:var(--bg-card);
  color:var(--text-body);
  font-size:13px;
  cursor:pointer;
  transition:all .25s;
}
.share-btn:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:var(--primary-light);
}

/* Not Found */
.article-not-found{
  text-align:center;
  padding:60px 40px;
}
.not-found-icon{
  width:72px;height:72px;
  border-radius:50%;
  background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;
  color:var(--text-muted);
  font-size:28px;
}
.article-not-found h2{
  font-size:1.8rem;
  font-weight:800;
  color:var(--text-heading);
  margin-bottom:12px;
}
.article-not-found p{
  color:var(--text-muted);
  margin-bottom:28px;
}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;
  border-radius:30px;
  font-size:14px;
  font-weight:600;
  border:2px solid transparent;
  cursor:pointer;
  transition:all .3s;
  justify-content:center;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 4px 14px rgba(29,78,216,.3);
}
.btn-primary:hover{
  background:var(--primary-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(29,78,216,.4);
}
.btn-outline{
  background:transparent;
  border-color:var(--border);
  color:var(--text-body);
}
.btn-outline:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:var(--primary-light);
}
.btn-sm{
  padding:8px 18px;
  font-size:13px;
}

/* ===== Sidebar ===== */
.article-sidebar{
  display:flex;
  flex-direction:column;
  gap:24px;
  position:sticky;
  top:100px;
}
.sidebar-card{
  background:var(--bg-card);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  padding:26px;
  border:1px solid var(--border);
  transition:box-shadow .3s;
}
.sidebar-card:hover{
  box-shadow:var(--shadow-md);
}
.sidebar-card h4{
  font-size:15px;
  font-weight:700;
  color:var(--text-heading);
  display:flex;align-items:center;gap:10px;
  margin-bottom:18px;
  padding-bottom:14px;
  border-bottom:1px solid var(--border);
}
.sidebar-card h4 i{color:var(--primary)}
.sidebar-info-list li{
  display:flex;
  justify-content:space-between;
  padding:10px 0;
  border-bottom:1px dashed var(--border);
  font-size:13.5px;
}
.sidebar-info-list li:last-child{border-bottom:none}
.sidebar-info-list span{color:var(--text-muted)}
.sidebar-info-list strong{color:var(--text-heading);font-weight:600}
.sidebar-nav-list li{margin-bottom:8px}
.sidebar-nav-list a{
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;
  border-radius:12px;
  background:var(--bg-soft);
  color:var(--text-body);
  font-size:14px;
  font-weight:500;
  transition:all .25s;
}
.sidebar-nav-list a:hover{
  background:var(--primary-light);
  color:var(--primary);
  transform:translateX(4px);
}
.sidebar-nav-list i{
  color:var(--primary);
  font-size:16px;
}
.sidebar-promo{
  overflow:hidden;
  padding:0;
  position:relative;
}
.sidebar-promo img{
  width:100%;
  height:150px;
  object-fit:cover;
}
.promo-content{
  padding:22px;
}
.promo-content h4{
  font-size:16px;
  font-weight:700;
  color:var(--text-heading);
  border-bottom:none;
  padding-bottom:0;
  margin-bottom:8px;
}
.promo-content p{
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:16px;
  line-height:1.6;
}

/* ===== Related Section ===== */
.related-section{
  background:var(--bg-soft);
  padding:70px 0;
  margin-top:20px;
}
.section-header{
  text-align:center;
  max-width:600px;
  margin:0 auto 48px;
}
.section-tag{
  display:inline-block;
  background:var(--primary-light);
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  padding:5px 18px;
  border-radius:24px;
  margin-bottom:14px;
  letter-spacing:.5px;
}
.section-header h2{
  font-size:1.8rem;
  font-weight:800;
  color:var(--text-heading);
  letter-spacing:-.5px;
  margin-bottom:10px;
}
.section-header p{
  color:var(--text-muted);
  font-size:15px;
  line-height:1.6;
}
.related-card{
  background:var(--bg-card);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:all .35s;
  height:100%;
  display:flex;
  flex-direction:column;
}
.related-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.related-img{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
}
.related-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s;
}
.related-card:hover .related-img img{
  transform:scale(1.05);
}
.related-tag{
  position:absolute;
  top:14px;left:14px;
  background:rgba(255,255,255,.92);
  color:var(--primary);
  font-size:12px;
  font-weight:700;
  padding:4px 14px;
  border-radius:20px;
  box-shadow:var(--shadow-sm);
}
.related-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.related-body h3{
  font-size:16px;
  font-weight:700;
  color:var(--text-heading);
  line-height:1.5;
  margin-bottom:10px;
}
.related-body h3 a{color:inherit}
.related-body h3 a:hover{color:var(--primary)}
.related-body p{
  font-size:13.5px;
  color:var(--text-muted);
  line-height:1.7;
  margin-bottom:16px;
  flex:1;
}
.related-link{
  font-size:13.5px;
  font-weight:600;
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);
}
.related-link i{transition:transform .25s}
.related-link:hover i{transform:translateX(4px)}

/* ===== FAQ ===== */
.faq-section{
  padding:80px 0;
}
.faq-item{
  background:var(--bg-card);
  border-radius:var(--radius-md);
  padding:26px 28px;
  margin-bottom:16px;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
  transition:all .3s;
}
.faq-item:hover{
  box-shadow:var(--shadow-md);
  border-color:var(--primary-light);
}
.faq-item h3{
  font-size:15px;
  font-weight:700;
  color:var(--text-heading);
  display:flex;align-items:flex-start;gap:10px;
  margin-bottom:10px;
}
.faq-item h3 i{
  color:var(--accent);
  font-size:16px;
  margin-top:2px;
}
.faq-item p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.8;
  padding-left:26px;
}

/* ===== CTA ===== */
.cta-section{
  position:relative;
  background-size:cover;
  background-position:center;
  padding:80px 0;
  text-align:center;
  overflow:hidden;
}
.cta-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(15,23,42,.9),rgba(30,64,175,.78));
  z-index:1;
}
.cta-content{
  position:relative;
  z-index:2;
  max-width:720px;
  margin:0 auto;
  color:#fff;
}
.cta-content h2{
  font-size:1.8rem;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:14px;
}
.cta-content p{
  font-size:15px;
  color:rgba(255,255,255,.8);
  margin-bottom:28px;
  line-height:1.7;
}
.cta-buttons{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 4px 18px rgba(217,119,6,.35);
}
.btn-accent:hover{
  background:#b45309;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(217,119,6,.45);
}
.btn-light{
  background:rgba(255,255,255,.15);
  border-color:rgba(255,255,255,.35);
  color:#fff;
  backdrop-filter:blur(6px);
}
.btn-light:hover{
  background:rgba(255,255,255,.25);
  color:#fff;
  transform:translateY(-2px);
}

/* ===== Footer ===== */
.site-footer{
  background:#0f172a;
  color:#94a3b8;
  padding:64px 0 0;
  font-size:14px;
}
.footer-brand{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:1.3rem;
  font-weight:800;
  color:#fff;
}
.footer-logo i{
  width:38px;height:38px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  color:#fff;
}
.site-footer p{
  color:#94a3b8;
  line-height:1.8;
  font-size:13.5px;
}
.footer-nav-col{
  display:flex;
  flex-direction:column;
  gap:0;
}
.footer-nav-col h4,.footer-info h4{
  color:#e2e8f0;
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
}
.footer-nav-col a{
  color:#94a3b8;
  padding:6px 0;
  font-size:13.5px;
  transition:color .25s,padding-left .25s;
}
.footer-nav-col a:hover{
  color:#fff;
  padding-left:6px;
}
.footer-info p{
  padding:5px 0;
}
.site-footer .grid-x{
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-bottom{
  text-align:center;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.06);
  margin-top:0;
}
.footer-bottom p{
  font-size:13px;
  color:#64748b;
  margin:0;
}

/* ===== Focus ===== */
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(29,78,216,.4);
  outline-offset:2px;
}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .header-main{
    flex-wrap:wrap;
    gap:14px;
    padding:12px 0;
  }
  .header-search{
    order:3;
    max-width:100%;
    width:100%;
    margin-left:0;
  }
  .header-nav{
    order:4;
    width:100%;
    display:none;
    flex-direction:column;
    gap:4px;
    padding:14px 0 4px;
    border-top:1px solid var(--border);
  }
  .header-nav.nav-open{
    display:flex;
  }
  .nav-link{
    padding:12px 16px;
    border-radius:12px;
    width:100%;
    text-align:center;
  }
  .mobile-toggle{
    display:flex;
    margin-left:auto;
  }
  .article-hero{padding:60px 0 56px}
  .hero-title{font-size:1.6rem}
  .article-card{
    padding:28px 24px;
    margin-top:0;
    border-radius:var(--radius-md);
  }
  .article-sidebar{
    position:static;
    margin-top:20px;
  }
  .section-header h2{
    font-size:1.4rem;
  }
  .faq-section,.related-section,.cta-section{
    padding:48px 0;
  }
}
@media (max-width:640px){
  .header-main{
    flex-direction:column;
    align-items:stretch;
    gap:10px;
  }
  .brand-logo{
    justify-content:space-between;
  }
  .mobile-toggle{
    margin-left:0;
  }
  .header-search{
    order:2;
  }
  .header-nav{
    order:3;
  }
  .article-hero{padding:44px 0 48px}
  .hero-title{font-size:1.3rem}
  .hero-meta{
    flex-direction:column;
    gap:6px;
  }
  .article-card{
    padding:20px 18px;
  }
  .article-abstract{
    padding:16px 18px;
  }
  .article-content{
    font-size:15px;
  }
  .article-content h2{
    font-size:1.2rem;
  }
  .breadcrumb-list .current{
    max-width:160px;
  }
  .related-card{
    margin-bottom:16px;
  }
  .faq-item{
    padding:20px 18px;
  }
  .cta-buttons{
    flex-direction:column;
    align-items:stretch;
  }
  .btn{
    width:100%;
  }
  .site-footer{
    padding-top:44px;
  }
  .site-footer .cell{
    margin-bottom:28px;
  }
}

/* roulang page: category1 */
:root {
    --primary: #1e3a5f;
    --primary-dark: #152c49;
    --primary-light: #34618f;
    --accent: #c9a96e;
    --accent-light: #e2c690;
    --accent-dark: #a8884e;
    --bg-light: #f5f7fa;
    --bg-deep: #eef1f5;
    --bg-dark: #152c49;
    --white: #ffffff;
    --text-main: #1a2233;
    --text-body: #3f4d61;
    --text-muted: #7c8ba0;
    --border-color: #e4e9f0;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 10px rgba(21, 44, 73, 0.06);
    --shadow-md: 0 6px 24px rgba(21, 44, 73, 0.1);
    --shadow-lg: 0 16px 48px rgba(21, 44, 73, 0.14);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1200px;
    --header-h: 78px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-light);
    color: var(--text-body);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

.grid-container {
    max-width: var(--container-max);
    padding-left: 24px;
    padding-right: 24px;
}

.grid-x.align-middle {
    align-items: center;
}

.section {
    padding: 88px 0;
}

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.section-head.left {
    text-align: left;
    margin-left: 0;
    margin-bottom: 40px;
}

.section-tag {
    display: inline-block;
    background: rgba(201, 169, 110, 0.14);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-head h2 {
    font-size: clamp(30px, 4vw, 42px);
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-head p {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
}

.header-main {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 16px 0;
    min-height: var(--header-h);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.01em;
}

.site-logo i {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-sm);
}

.header-search {
    flex: 1;
    max-width: 420px;
    margin-left: auto;
}

.header-search form {
    display: flex;
    align-items: center;
    background: var(--bg-deep);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    padding: 0 8px 0 18px;
    height: 46px;
    transition: var(--transition);
}

.header-search form:focus-within {
    background: var(--white);
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(201, 169, 110, 0.14);
}

.header-search .search-icon {
    color: var(--text-muted);
    font-size: 14px;
    margin-right: 10px;
}

.header-search input[type="search"] {
    flex: 1;
    background: transparent;
    border: none;
    font-size: 14px;
    color: var(--text-main);
    min-width: 0;
}

.header-search input[type="search"]::placeholder {
    color: var(--text-muted);
}

.header-search button {
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-pill);
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.header-search button:hover {
    background: var(--primary-light);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-body);
    white-space: nowrap;
}

.nav-link:hover {
    background: var(--bg-deep);
    color: var(--primary);
}

.nav-link.active {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(30, 58, 95, 0.24);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--bg-deep);
    padding: 12px 10px;
    cursor: pointer;
    flex-shrink: 0;
    z-index: 120;
}

.mobile-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.category-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 100px 0 100px;
    color: var(--white);
}

.category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(21, 44, 73, 0.82) 0%, rgba(30, 58, 95, 0.64) 50%, rgba(21, 44, 73, 0.78) 100%);
    z-index: 1;
}

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

.hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
}

.hero-breadcrumb a {
    color: var(--accent-light);
}

.hero-breadcrumb a:hover {
    color: var(--white);
}

.hero-breadcrumb i {
    font-size: 11px;
}

.category-hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    max-width: 720px;
}

.category-hero .hero-desc {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.86);
    max-width: 680px;
    margin-bottom: 32px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-tags .tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(6px);
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
}

.hero-tags .tag i {
    color: var(--accent-light);
}

/* ===== Overview ===== */
.overview-section {
    background: var(--white);
}

.overview-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.overview-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(21, 44, 73, 0.2));
    pointer-events: none;
}

.overview-image img {
    width: 100%;
    object-fit: cover;
    min-height: 320px;
}

.overview-content {
    padding: 10px 0 10px 30px;
}

.overview-content h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 18px;
    line-height: 1.3;
}

.overview-content p {
    font-size: 16px;
    line-height: 1.85;
    margin-bottom: 16px;
    color: var(--text-body);
}

.check-list {
    margin-top: 24px;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 7px 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
}

.check-list li i {
    color: var(--accent);
    font-size: 18px;
    margin-top: 2px;
}

/* ===== Steps ===== */
.steps-section {
    background: var(--bg-light);
}

.step-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 28px 30px;
    height: 100%;
    transition: var(--transition);
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}

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

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

.step-num {
    position: absolute;
    top: 16px;
    right: 22px;
    font-size: 52px;
    font-weight: 800;
    color: rgba(30, 58, 95, 0.06);
    line-height: 1;
    letter-spacing: -0.04em;
}

.step-icon {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    box-shadow: 0 6px 16px rgba(30, 58, 95, 0.2);
}

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

.step-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== Keypoints ===== */
.keypoints-section {
    background: var(--white);
}

.key-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 26px;
    height: 100%;
    transition: var(--transition);
}

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

.key-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 20px;
}

.bg-ink {
    background: rgba(30, 58, 95, 0.12);
    color: var(--primary);
}

.bg-gold {
    background: rgba(201, 169, 110, 0.18);
    color: var(--accent-dark);
}

.bg-blue {
    background: rgba(52, 97, 143, 0.16);
    color: var(--primary-light);
}

.bg-green {
    background: rgba(46, 139, 87, 0.14);
    color: #2e8b57;
}

.key-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
}

.key-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.75;
}

/* ===== Stats ===== */
.stats-section {
    background: var(--bg-dark);
    position: relative;
    color: var(--white);
    padding: 80px 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
}

.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(21, 44, 73, 0.86);
}

.stats-inner {
    position: relative;
    z-index: 2;
}

.stat-item {
    text-align: center;
    padding: 24px 10px;
}

.stat-num {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-num span {
    font-size: 22px;
    margin-left: 2px;
    -webkit-text-fill-color: rgba(255, 255, 255, 0.6);
}

.stat-label {
    margin-top: 12px;
    font-size: 15px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 2px;
}

/* ===== Path List ===== */
.path-section {
    background: var(--bg-light);
}

.path-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.path-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    transition: var(--transition);
}

.path-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateX(6px);
}

.path-index {
    font-size: 24px;
    font-weight: 800;
    color: var(--accent);
    min-width: 44px;
    line-height: 1;
}

.path-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.path-main strong {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
}

.path-main em {
    font-style: normal;
    font-size: 14px;
    color: var(--text-muted);
}

.path-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-deep);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: var(--transition);
    flex-shrink: 0;
}

.path-item:hover .path-arrow {
    background: var(--accent);
    color: var(--white);
}

.side-panel {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    box-shadow: var(--shadow-sm);
}

.side-panel-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.side-panel-head i {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.side-panel-head h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.side-panel p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
}

.side-panel-divider {
    height: 1px;
    background: var(--border-color);
    margin: 22px 0;
}

.side-mini h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.side-mini p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.9;
}

/* ===== FAQ ===== */
.faq-section {
    background: var(--white);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active {
    background: var(--white);
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 22px 28px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    user-select: none;
}

.faq-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    background: var(--accent);
    color: var(--white);
    transform: rotate(45deg);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-a {
    max-height: 400px;
}

.faq-a p {
    padding: 0 28px 24px;
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.cta-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    padding: 56px 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.cta-box::after {
    content: '';
    position: absolute;
    right: -60px;
    bottom: -80px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
    line-height: 1.3;
}

.cta-content p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    max-width: 480px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
    position: relative;
    z-index: 2;
}

.btn-light {
    background: var(--white);
    color: var(--primary);
}

.btn-light:hover {
    background: var(--accent-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 64px 0 0;
}

.site-footer .grid-container {
    max-width: var(--container-max);
}

.footer-brand {
    margin-bottom: 20px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-logo i {
    color: var(--accent);
    font-size: 22px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 360px;
}

.footer-nav-col h4,
.footer-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 18px;
}

.footer-nav-col {
    display: flex;
    flex-direction: column;
}

.footer-nav-col a {
    display: inline-block;
    padding: 6px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
}

.footer-nav-col a:hover {
    color: var(--accent-light);
    padding-left: 6px;
}

.footer-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.9;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 48px;
    padding: 22px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .header-main {
        gap: 18px;
    }

    .header-search {
        max-width: 320px;
    }

    .nav-link {
        padding: 10px 14px;
        font-size: 14px;
    }

    .section {
        padding: 72px 0;
    }

    .cta-box {
        padding: 44px 40px;
    }
}

@media (max-width: 768px) {
    .header-main {
        flex-wrap: wrap;
        padding: 14px 0;
        gap: 12px;
    }

    .site-logo {
        font-size: 20px;
    }

    .header-search {
        order: 3;
        flex-basis: 100%;
        max-width: 100%;
        margin-left: 0;
    }

    .header-nav {
        display: none;
        order: 4;
        flex-basis: 100%;
        flex-direction: column;
        align-items: stretch;
        background: var(--white);
        border-radius: var(--radius-md);
        padding: 8px;
        box-shadow: var(--shadow-md);
        margin-top: 4px;
    }

    .header-nav.open {
        display: flex;
    }

    .nav-link {
        padding: 12px 18px;
        border-radius: var(--radius-sm);
        justify-content: flex-start;
    }

    .mobile-toggle {
        display: flex;
        margin-left: auto;
    }

    .category-hero {
        padding: 72px 0;
    }

    .category-hero h1 {
        font-size: 36px;
    }

    .overview-content {
        padding: 30px 0 0;
    }

    .stat-num {
        font-size: 38px;
    }

    .section-head {
        margin-bottom: 40px;
    }

    .cta-box {
        flex-direction: column;
        padding: 36px 28px;
        text-align: center;
    }

    .cta-content p {
        margin: 0 auto;
    }

    .side-panel {
        position: static;
        margin-top: 32px;
    }
}

@media (max-width: 520px) {
    .section {
        padding: 56px 0;
    }

    .grid-container {
        padding-left: 16px;
        padding-right: 16px;
    }

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

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

    .category-hero .hero-desc {
        font-size: 16px;
    }

    .hero-tags .tag {
        padding: 6px 14px;
        font-size: 13px;
    }

    .step-card {
        padding: 28px 22px;
    }

    .step-num {
        font-size: 40px;
    }

    .key-card {
        padding: 26px 20px;
    }

    .stat-num {
        font-size: 34px;
    }

    .path-item {
        padding: 16px 18px;
        gap: 14px;
        flex-wrap: wrap;
    }

    .path-index {
        font-size: 20px;
        min-width: 32px;
    }

    .path-arrow {
        width: 30px;
        height: 30px;
    }

    .faq-q {
        padding: 18px 20px;
        font-size: 15px;
    }

    .faq-a p {
        padding: 0 20px 20px;
        font-size: 14px;
    }

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

    .cta-box {
        padding: 32px 24px;
    }

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

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

/* roulang page: category2 */
:root {
  --primary: #1b1f33;
  --primary-light: #2a3050;
  --accent: #c8a56b;
  --accent-dark: #ad8c4d;
  --accent-bg: #f7f0e4;
  --bg: #f8f7f4;
  --card: #ffffff;
  --text: #2a3341;
  --muted: #767f8e;
  --muted-light: #a9b1bf;
  --border: #e7e2da;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 12px 36px rgba(27, 31, 51, .07);
  --shadow-lg: 0 18px 44px rgba(27, 31, 51, .13);
  --tr: all .3s cubic-bezier(.4, 0, .2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
p { margin: 0; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.grid-container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
.section { padding: 90px 0; }
.section-head { text-align: center; max-width: 700px; margin: 0 auto 54px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-bg);
  color: var(--accent-dark);
  font-size: 13px; font-weight: 700; letter-spacing: .5px;
  padding: 7px 16px; border-radius: 999px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 36px);
  color: var(--primary);
  margin: 16px 0 14px;
  line-height: 1.25;
}
.section-head p { color: var(--muted); font-size: 15.5px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(27, 31, 51, .05);
  box-shadow: 0 4px 22px rgba(27, 31, 51, .04);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 76px;
  position: relative;
}
.site-logo {
  display: flex; align-items: center; gap: 11px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px; height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary) 0%, #28315c 100%);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow);
}
.logo-text {
  font-size: 22px; font-weight: 800;
  color: var(--primary); letter-spacing: .5px;
  white-space: nowrap;
}
.header-search {
  flex: 1;
  max-width: 340px;
  margin-left: auto;
  position: relative;
}
.header-search .search-prefix {
  position: absolute;
  left: 15px; top: 50%;
  transform: translateY(-50%);
  color: var(--muted-light);
  font-size: 14px;
  pointer-events: none;
  transition: color .25s ease;
}
.header-search-input {
  width: 100%;
  padding: 11px 16px 11px 42px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #f5f3f0;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: var(--tr);
}
.header-search-input::placeholder { color: var(--muted-light); }
.header-search-input:focus {
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(200, 165, 107, .14);
}
.header-nav {
  display: flex; align-items: center; gap: 6px;
  margin-left: 8px;
  flex-shrink: 0;
}
.nav-link {
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  color: #495060;
  transition: var(--tr);
}
.nav-link:hover { background: var(--accent-bg); color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 6px 16px rgba(27, 31, 51, .2); }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  transition: var(--tr);
  flex-shrink: 0;
}
.nav-toggle span {
  width: 18px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--tr);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav {
  display: none;
  border-top: 1px solid var(--border);
  background: #fff;
  padding: 18px 24px 24px;
  box-shadow: 0 18px 30px rgba(27, 31, 51, .08);
}
.mobile-search {
  display: flex; align-items: center; gap: 10px;
  background: #f5f3f0;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 18px;
}
.mobile-search i { color: var(--muted-light); }
.mobile-search input {
  border: none; background: transparent; outline: none;
  flex: 1; font-size: 14px; color: var(--text);
}
.mobile-link {
  display: block;
  padding: 13px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-radius: 10px;
  border-left: 3px solid transparent;
  transition: var(--tr);
}
.mobile-link:hover { background: var(--accent-bg); }
.mobile-link.active { border-left-color: var(--accent); background: var(--accent-bg); color: var(--primary); }

/* Category Banner */
.category-banner {
  position: relative;
  padding: 110px 0 100px;
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(27, 31, 51, .93) 0%, rgba(27, 31, 51, .78) 45%, rgba(27, 31, 51, .36) 100%);
}
.banner-inner { position: relative; z-index: 2; max-width: 860px; }
.banner-crumb {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
  margin-bottom: 22px;
}
.banner-crumb a { transition: color .25s ease; }
.banner-crumb a:hover { color: #fff; }
.banner-crumb i { font-size: 10px; }
.banner-badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255, 255, 255, .12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .2);
  color: var(--accent);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .5px;
}
.banner-inner h1 {
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.15;
  margin: 20px 0 18px;
  letter-spacing: 1px;
  font-weight: 800;
}
.banner-inner p {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .85);
  max-width: 640px;
}
.banner-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-top: 34px;
}
.button.banner-btn,
.button.banner-btn-ghost {
  margin: 0;
  border-radius: 999px;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--tr);
}
.button.banner-btn {
  background: linear-gradient(135deg, var(--accent), #d9b77e);
  color: #fff;
  box-shadow: 0 10px 26px rgba(200, 165, 107, .32);
  border: 1px solid rgba(200, 165, 107, .4);
}
.button.banner-btn:hover {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(200, 165, 107, .4);
}
.button.banner-btn-ghost {
  background: rgba(255, 255, 255, .08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .3);
  backdrop-filter: blur(8px);
}
.button.banner-btn-ghost:hover {
  background: rgba(255, 255, 255, .18);
  border-color: rgba(255, 255, 255, .5);
  transform: translateY(-2px);
}

/* Core Rule Cards */
.section-core { padding: 90px 0 70px; }
.rule-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  height: 100%;
  box-shadow: var(--shadow);
  transition: var(--tr);
  position: relative;
  overflow: hidden;
}
.rule-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: var(--tr);
}
.rule-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.rule-card:hover::before { opacity: 1; }
.rule-card-icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  background: var(--accent-bg);
  color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 22px;
  transition: var(--tr);
}
.rule-card:hover .rule-card-icon {
  background: var(--primary);
  color: var(--accent);
}
.rule-card h3 {
  font-size: 19px;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 700;
}
.rule-card p { color: var(--muted); font-size: 14.5px; line-height: 1.8; }

/* Detail Section */
.section-detail {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 90px 0;
}
.detail-grid {
  display: flex;
  align-items: center;
  gap: 56px;
}
.detail-media { flex: 1; position: relative; }
.detail-media img {
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}
.media-float-card {
  position: absolute;
  right: -16px;
  bottom: 28px;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 18px 22px;
  text-align: left;
  min-width: 180px;
}
.media-float-card .float-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .4px;
  margin-bottom: 4px;
}
.media-float-card strong {
  font-size: 18px;
  color: var(--primary);
}
.detail-content { flex: 1; }
.detail-content h2 {
  font-size: clamp(26px, 3.6vw, 34px);
  color: var(--primary);
  margin: 16px 0 14px;
  line-height: 1.3;
}
.detail-content > p { color: var(--muted); font-size: 15px; margin-bottom: 24px; }
.detail-list { margin-bottom: 28px; }
.detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14.5px;
  color: #4a5262;
}
.detail-list li:last-child { border-bottom: none; }
.detail-list i {
  color: var(--accent-dark);
  margin-top: 4px;
  font-size: 14px;
}
.bet-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.bet-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--accent-bg);
  border: 1px solid rgba(200, 165, 107, .25);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  transition: var(--tr);
}
.bet-tag:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* Draw Rules */
.section-draw { padding: 90px 0; }
.draw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.draw-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 30px;
  box-shadow: var(--shadow);
  transition: var(--tr);
}
.draw-box:hover { box-shadow: var(--shadow-lg); }
.draw-box-title {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 10px;
}
.draw-box-title .icon-chip {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: var(--accent-bg);
  color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.draw-box-title h3 { font-size: 18px; color: var(--primary); margin: 0; }
.draw-box > p { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.draw-table { width: 100%; border-collapse: collapse; }
.draw-table th,
.draw-table td {
  padding: 11px 13px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
}
.draw-table th {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  text-align: left;
  letter-spacing: .3px;
}
.draw-table th:first-child { border-radius: 8px 0 0 0; }
.draw-table th:last-child { border-radius: 0 8px 0 0; }
.draw-table td { color: #4d5563; }
.draw-table tr:last-child td { border-bottom: none; }
.draw-table tr:hover td { background: #faf8f5; }
.draw-table .verdict {
  font-weight: 600;
  color: var(--primary);
}

/* Procedure */
.section-procedure {
  position: relative;
  background: linear-gradient(135deg, #12152a 0%, #1d2340 60%, #282f56 100%);
  color: #fff;
  padding: 90px 0;
  overflow: hidden;
}
.section-procedure::before {
  content: "";
  position: absolute;
  width: 420px; height: 420px;
  right: -140px; top: -140px;
  background: radial-gradient(circle, rgba(200, 165, 107, .18), transparent 68%);
  border-radius: 50%;
}
.section-procedure .section-head h2 { color: #fff; }
.section-procedure .section-head p { color: rgba(255, 255, 255, .62); }
.section-procedure .section-tag { background: rgba(255, 255, 255, .1); color: var(--accent); }
.procedure-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
  margin-top: 46px;
}
.procedure-step {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 20px;
  padding: 30px 22px 26px;
  text-align: center;
  transition: var(--tr);
  backdrop-filter: blur(6px);
}
.procedure-step:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateY(-6px);
  border-color: rgba(200, 165, 107, .4);
}
.step-icon {
  width: 54px; height: 54px;
  margin: 0 auto 18px;
  border-radius: 15px;
  background: rgba(200, 165, 107, .15);
  border: 1px solid rgba(200, 165, 107, .3);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  transition: var(--tr);
}
.procedure-step:hover .step-icon {
  background: var(--accent);
  color: var(--primary);
  box-shadow: 0 8px 22px rgba(200, 165, 107, .35);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
}
.procedure-step h3 {
  font-size: 16px;
  margin-bottom: 10px;
  color: #fff;
}
.procedure-step p {
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
  line-height: 1.7;
}

/* FAQ */
.section-faq { padding: 90px 0; }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--tr);
}
.faq-item.active {
  border-color: rgba(200, 165, 107, .6);
  box-shadow: var(--shadow);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  text-align: left;
  transition: color .25s ease;
}
.faq-question:hover { color: var(--accent-dark); }
.faq-question i {
  color: var(--accent);
  font-size: 13px;
  transition: transform .3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
  display: none;
  padding: 0 24px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.9;
}
.faq-item.active .faq-answer {
  border-top: 1px dashed var(--border);
  padding-top: 16px;
  padding-bottom: 22px;
}

/* CTA */
.section-cta {
  position: relative;
  padding: 100px 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
}
.section-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(27, 31, 51, .86), rgba(27, 31, 51, .58));
}
.cta-box {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(10px);
  border-radius: 26px;
  padding: 58px 52px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, .7);
}
.cta-box h2 {
  font-size: clamp(26px, 3.6vw, 34px);
  color: var(--primary);
  margin-bottom: 16px;
}
.cta-box p {
  color: var(--muted);
  font-size: 15.5px;
  max-width: 520px;
  margin: 0 auto 30px;
}
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.button.cta-btn,
.button.cta-btn-ghost {
  margin: 0;
  border-radius: 999px;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  transition: var(--tr);
}
.button.cta-btn {
  background: linear-gradient(135deg, var(--primary), #2d3560);
  color: #fff;
  box-shadow: 0 10px 26px rgba(27, 31, 51, .25);
}
.button.cta-btn:hover {
  background: linear-gradient(135deg, #262c4a, var(--primary));
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(27, 31, 51, .32);
}
.button.cta-btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}
.button.cta-btn-ghost:hover {
  border-color: var(--primary);
  background: var(--accent-bg);
  transform: translateY(-2px);
}

/* Notice */
.notice-line {
  background: #f4efe6;
  border-top: 1px solid rgba(200, 165, 107, .2);
  border-bottom: 1px solid rgba(200, 165, 107, .2);
  padding: 16px 0;
}
.notice-line p {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: #6f6a5f;
  line-height: 1.7;
}
.notice-line i { color: var(--accent-dark); }

/* Footer */
.site-footer {
  background: #151a2b;
  color: #8b93ab;
  padding: 70px 0 0;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
}
.footer-brand .footer-logo i { color: var(--accent); }
.footer-brand p {
  margin-top: 18px;
  line-height: 1.9;
  font-size: 14px;
  max-width: 380px;
  color: #7b8399;
}
.footer-nav-col h4,
.footer-info h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
  font-weight: 700;
}
.footer-nav-col a {
  display: block;
  color: #8b93ab;
  padding: 6px 0;
  font-size: 14px;
  transition: var(--tr);
}
.footer-nav-col a:hover {
  color: var(--accent);
  padding-left: 6px;
}
.footer-info p {
  font-size: 13.5px;
  line-height: 1.9;
  margin-bottom: 4px;
  color: #7b8399;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  margin-top: 50px;
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: #697086;
  letter-spacing: .3px;
}

/* Responsive */
@media (max-width: 1024px) {
  .procedure-list { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .header-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-search { margin-left: auto; }
  .detail-grid { flex-direction: column; gap: 42px; }
  .draw-grid { grid-template-columns: 1fr; }
  .procedure-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .header-search { display: none; }
  .header-inner { min-height: 64px; gap: 14px; }
  .logo-text { font-size: 18px; }
  .logo-icon { width: 38px; height: 38px; font-size: 17px; }
  .mobile-search { display: flex; }
  .section { padding: 66px 0; }
  .category-banner { padding: 70px 0 66px; }
  .banner-inner p { font-size: 15.5px; }
  .banner-actions .button { width: 100%; justify-content: center; }
  .section-detail, .section-draw, .section-procedure, .section-faq { padding: 66px 0; }
  .media-float-card { right: 8px; bottom: 12px; min-width: 140px; padding: 14px 16px; }
  .media-float-card strong { font-size: 15px; }
  .procedure-list { grid-template-columns: 1fr; }
  .cta-box { padding: 40px 24px; }
  .cta-actions .button { width: 100%; justify-content: center; }
  .footer-bottom { margin-top: 34px; }
}
@media (min-width: 901px) {
  .mobile-nav { display: none !important; }
}