/* roulang page: index */
:root {
  --primary: #2B6B9E;
  --primary-light: #DAE9F4;
  --accent: #B8222E;
  --bg: #F5F7FA;
  --card: #FFFFFF;
  --border: #E3E9EF;
  --text-main: #1B2836;
  --text-sub: #5A6A7A;
  --radius: 12px;
  --radius-btn: 8px;
  --shadow: 0 2px 8px rgba(27,40,54,.06);
  --shadow-hover: 0 8px 24px rgba(27,40,54,.10);
  --bs-gutter-x: 24px;
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  --font-num: "DIN Alternate", "Roboto", "Helvetica Neue", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--text-main); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
input, button, textarea { font-family: inherit; }
button { border: none; background: none; cursor: pointer; color: inherit; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: all .25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-accent:hover {
  background: #981a24;
  border-color: #981a24;
  color: #fff;
  box-shadow: 0 8px 22px rgba(184,34,46,.28);
  transform: translateY(-1px);
}
.btn-accent:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(184,34,46,.20);
}
.btn-outline {
  background: var(--card);
  color: var(--text-main);
  border-color: var(--border);
}
.btn-outline:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 4px 14px rgba(43,107,158,.08);
  transform: translateY(-1px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-primary-custom {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary-custom:hover {
  background: #245a86;
  color: #fff;
  border-color: #245a86;
  box-shadow: 0 8px 20px rgba(43,107,158,.25);
  transform: translateY(-1px);
}
.btn-primary-custom:active {
  transform: translateY(0);
}

/* 区块 */
.section {
  padding: 80px 0;
}
.section-head {
  margin-bottom: 40px;
}
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .5px;
  color: var(--text-main);
  margin-bottom: 8px;
}
.section-head p {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 640px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: 68px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .4px;
  color: var(--text-main);
  white-space: nowrap;
}
.brand-logo:hover { color: var(--text-main); }
.brand-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--text-main);
  border-radius: 8px;
  font-weight: 400;
}
.nav-link:hover { color: var(--primary); }
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  display: flex;
  align-items: center;
  background: #F2F4F7;
  border: 1px solid var(--border);
  border-radius: 10px;
  height: 40px;
  padding: 0 8px 0 12px;
  width: 220px;
  transition: border-color .2s, background .2s;
}
.search-box:focus-within {
  border-color: var(--primary);
  background: #fff;
}
.search-box i {
  color: var(--text-sub);
  font-size: 14px;
}
.search-box input {
  border: none;
  background: transparent;
  padding: 0 8px;
  font-size: 14px;
  color: var(--text-main);
  width: 100%;
  min-width: 0;
}
.search-box input::placeholder {
  color: #9AA8B5;
}
.search-kbd {
  padding: 2px 7px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-sub);
  font-family: var(--font-num);
  white-space: nowrap;
}
.icon-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text-sub);
  transition: border-color .2s, color .2s, box-shadow .2s;
}
.icon-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(43,107,158,.08);
}
#searchToggle {
  display: none;
}
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text-main);
  font-size: 18px;
}
.hamburger:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(27,40,54,.08);
  padding: 16px 24px 24px;
  z-index: 1070;
}
.mobile-menu.open {
  display: block;
}
.mobile-menu a {
  display: block;
  padding: 14px 16px;
  font-size: 17px;
  font-weight: 600;
  border-radius: 10px;
  color: var(--text-main);
}
.mobile-menu a:hover,
.mobile-menu a.active {
  background: var(--primary-light);
  color: var(--primary);
}

/* Hero */
.hero {
  position: relative;
  background:
    linear-gradient(90deg, #FFFFFF 0%, rgba(255,255,255,.92) 34%, rgba(255,255,255,.55) 70%, rgba(245,247,250,.35) 100%),
    url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  min-height: 520px;
  display: flex;
  align-items: center;
  padding: 72px 0 64px;
}
.hero-content {
  max-width: 720px;
}
.hero-content h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .5px;
  color: var(--text-main);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-sub);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  background: rgba(255,255,255,.82);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 28px;
  max-width: 580px;
  backdrop-filter: blur(6px);
}
.hero-stat {
  flex: 1;
  min-width: 0;
}
.hero-stat + .hero-stat {
  border-left: 1px solid var(--border);
  padding-left: 24px;
}
.hero-stat .num {
  font-size: 32px;
  font-weight: 700;
  font-family: var(--font-num);
  color: var(--accent);
  line-height: 1.2;
}
.hero-stat .label {
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 4px;
}

/* 目录卡片 */
.directory-section {
  background: var(--bg);
}
.catalog-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px 22px;
  height: 100%;
  transition: transform .3s ease, box-shadow .3s ease;
}
.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.cat-icon {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary);
  margin-bottom: 20px;
  transition: background .3s, color .3s;
}
.catalog-card:hover .cat-icon {
  background: var(--primary);
  color: #fff;
}
.catalog-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
  letter-spacing: .3px;
}
.catalog-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.5;
  margin-bottom: 20px;
  flex: 1;
}
.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-top: auto;
  transition: color .2s;
}
.cat-link i {
  transition: transform .2s;
}
.catalog-card:hover .cat-link {
  color: var(--accent);
}
.catalog-card:hover .cat-link i {
  transform: translateX(3px);
}

/* 精选资讯 */
.featured-section {
  background: var(--card);
}
.post-list-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  height: 100%;
}
.post-list-title {
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.post-list-title i {
  color: var(--primary);
  font-size: 17px;
}
.news-card {
  display: flex;
  flex-direction: column;
  padding: 22px 28px;
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: background .2s;
}
.news-card:last-child {
  border-bottom: none;
}
.news-card:hover {
  background: #FBFCFD;
}
.news-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform .25s ease;
}
.news-card:hover::before {
  transform: scaleY(1);
}
.news-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 4px;
  padding: 3px 10px;
  letter-spacing: .3px;
}
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  margin: 12px 0 8px;
}
.news-card h3 a {
  color: var(--text-main);
}
.news-card h3 a:hover {
  color: var(--primary);
}
.news-excerpt {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.55;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-sub);
  margin-top: auto;
}
.news-meta a {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.news-meta a:hover {
  color: var(--accent);
}
.news-meta a i {
  transition: transform .2s;
}
.news-meta a:hover i {
  transform: translateX(3px);
}

.side-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 24px;
  height: 100%;
}
.side-card .side-title {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.side-card .side-title i {
  color: var(--accent);
  font-size: 16px;
}
.side-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: opacity .2s;
}
.side-item:last-child {
  border-bottom: none;
}
.side-item:hover {
  opacity: .82;
}
.side-item:hover h4 {
  color: var(--primary);
}
.side-thumb {
  width: 88px;
  height: 64px;
  border-radius: 8px;
  background: var(--primary-light);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
}
.side-info {
  min-width: 0;
}
.side-info h4 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s;
}
.side-info span {
  font-size: 13px;
  color: var(--text-sub);
  display: block;
}

/* 空状态 */
.empty-state {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-sub);
  padding: 24px;
  text-align: center;
}
.empty-state i {
  font-size: 38px;
  color: #B8C4CE;
  margin-bottom: 6px;
}
.empty-state p {
  font-weight: 600;
  font-size: 16px;
  color: var(--text-main);
  margin: 0;
}
.empty-state span {
  font-size: 13px;
  color: var(--text-sub);
}

/* 推荐阅读 */
.recommend-section {
  background: var(--primary-light);
}
.rec-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 100%;
  transition: transform .3s, box-shadow .3s;
}
.rec-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.rec-thumb {
  aspect-ratio: 16 / 9;
  background: var(--primary-light);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.rec-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.rec-card:hover .rec-thumb img {
  transform: scale(1.04);
}
.rec-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.rec-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 10px;
  color: var(--text-main);
}
.rec-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.55;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rec-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.rec-link i {
  transition: transform .2s;
}
.rec-card:hover .rec-link {
  color: var(--accent);
}
.rec-card:hover .rec-link i {
  transform: translateX(3px);
}

/* FAQ */
.faq-section {
  background: var(--card);
}
.faq-accordion .accordion-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(27,40,54,.04);
}
.faq-accordion .accordion-button {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  background: var(--card);
  box-shadow: none;
  display: flex;
  align-items: center;
  gap: 14px;
  border-radius: var(--radius) !important;
  transition: background .2s;
}
.faq-accordion .accordion-button:hover {
  background: #FBFCFD;
}
.faq-accordion .accordion-button:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary);
}
.faq-accordion .accordion-button:not(.collapsed) .faq-icon {
  background: var(--primary);
  color: #fff;
}
.faq-accordion .accordion-button::after {
  display: none;
}
.faq-num {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}
.faq-icon {
  margin-left: auto;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-sub);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: background .2s, color .2s, transform .2s;
}
.accordion-button:not(.collapsed) .faq-icon {
  transform: rotate(180deg);
}
.faq-accordion .accordion-body {
  padding: 0 26px 24px 60px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
  background: var(--card);
  border-top: 1px solid var(--border);
}

/* CTA */
.cta-section {
  background: var(--primary-light);
  padding: 80px 0;
  text-align: center;
}
.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: .5px;
  margin-bottom: 16px;
}
.cta-inner p {
  font-size: 16px;
  color: var(--text-sub);
  margin-bottom: 32px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cta-bottom {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  transition: border-color .2s, color .2s, box-shadow .2s;
  cursor: default;
}
.share-btn i {
  font-size: 16px;
}
.share-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 4px 12px rgba(43,107,158,.08);
}

/* Footer */
.site-footer {
  background: #1B2836;
  color: #8FA0AF;
  font-size: 14px;
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .flogo {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand .flogo .brand-dot {
  background: var(--accent);
}
.footer-brand p {
  line-height: 1.8;
  max-width: 360px;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: #8FA0AF;
  transition: color .2s;
}
.footer-links a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.footer-social {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-social .s-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  color: #8FA0AF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: default;
  transition: background .2s, color .2s;
}
.footer-social .s-icon:hover {
  background: var(--primary);
  color: #fff;
}
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  color: rgba(255,255,255,.6);
  font-size: 13px;
}

/* 响应式 */
@media (max-width: 991px) {
  .main-nav {
    display: none;
  }
  .hamburger {
    display: inline-flex;
  }
  .mobile-menu {
    display: none;
  }
  .mobile-menu.open {
    display: block;
  }
  .search-box {
    display: none;
  }
  #searchToggle {
    display: inline-flex;
  }
  .search-box.mobile-open {
    display: flex;
    position: absolute;
    top: 68px;
    left: 24px;
    right: 24px;
    width: auto;
    background: #fff;
    box-shadow: 0 12px 30px rgba(27,40,54,.1);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
  .hero {
    min-height: auto;
    padding: 56px 0 48px;
    background:
      linear-gradient(180deg, #FFFFFF 0%, rgba(255,255,255,.88) 55%, rgba(245,247,250,.4) 100%),
      url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  }
  .hero-content h1 {
    font-size: 30px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-actions {
    margin-bottom: 36px;
  }
  .hero-stats {
    padding: 16px 20px;
  }
  .hero-stat .num {
    font-size: 24px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .cta-inner h2 {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .catalog-card,
  .news-card,
  .post-list-title,
  .side-card {
    padding-left: 20px;
    padding-right: 20px;
  }
  .news-card {
    padding-top: 18px;
    padding-bottom: 18px;
  }
  .hero-stats {
    flex-direction: column;
    gap: 14px;
  }
  .hero-stat + .hero-stat {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: 14px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .cta-buttons {
    flex-direction: column;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* roulang page: article */
:root {
    --primary: #2B6B9E;
    --primary-light: #DAE9F4;
    --accent: #B8222E;
    --bg: #F5F7FA;
    --card: #FFFFFF;
    --border: #E3E9EF;
    --text-main: #1B2836;
    --text-sub: #5A6A7A;
    --radius-card: 12px;
    --radius-btn: 8px;
    --radius-search: 10px;
    --shadow-card: 0 2px 8px rgba(27,40,54,0.06);
    --shadow-hover: 0 8px 24px rgba(27,40,54,0.10);
    --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    --font-num: "DIN Alternate", "Roboto", "Helvetica Neue", sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-main);color:var(--text-main);background:var(--bg);line-height:1.75;font-size:16px}
a{text-decoration:none;color:inherit;transition:color .2s}
img{max-width:100%;display:block}
button,input,textarea{font-family:inherit}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
@media(max-width:768px){.container{padding-left:16px;padding-right:16px}}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-btn);padding:10px 22px;font-weight:600;border:1px solid transparent;transition:all .2s;font-size:15px;cursor:pointer;line-height:1.4}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#9e1c26;color:#fff;transform:translateY(-1px);box-shadow:0 4px 14px rgba(184,34,46,0.28)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#245a84;color:#fff;transform:translateY(-1px);box-shadow:0 4px 14px rgba(43,107,158,0.26)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--text-main)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:#fff}
.btn:focus-visible,.nav-toggle:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(43,107,158,0.35);outline-offset:2px}

.site-header{position:sticky;top:0;z-index:1000;height:68px;background:rgba(255,255,255,0.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-dot{width:12px;height:12px;border-radius:50%;background:var(--accent);flex-shrink:0}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.5px;color:var(--text-main);white-space:nowrap}
.brand-text:hover{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:26px;margin:0 auto}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text-sub);padding:22px 0;letter-spacing:.5px}
.nav-link::after{content:'';position:absolute;left:0;bottom:14px;width:100%;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{display:flex;align-items:center;gap:8px;background:#F1F4F7;border:1px solid transparent;border-radius:var(--radius-search);padding:7px 14px;width:210px;transition:border-color .2s,background .2s}
.nav-search:focus-within{border-color:var(--primary);background:#fff}
.nav-search i{color:var(--text-sub);font-size:13px}
.search-input{border:none;background:transparent;outline:none;font-size:14px;color:var(--text-main);width:100%}
.search-input::placeholder{color:#93a1b0}
.search-kbd{font-size:11px;background:#fff;border:1px solid var(--border);border-radius:4px;padding:2px 6px;color:var(--text-sub);font-family:var(--font-num);white-space:nowrap}
.btn-sm{padding:8px 18px;font-size:14px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;border-radius:6px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text-main);margin:4px 0;border-radius:2px;transition:all .3s}
.nav-toggle:hover span{background:var(--primary)}
.mobile-menu{display:none;position:fixed;top:68px;left:0;right:0;bottom:0;background:#fff;z-index:999;padding:24px 24px 40px;border-top:1px solid var(--border);overflow-y:auto}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:16px 4px;font-size:18px;font-weight:600;border-bottom:1px solid var(--border);color:var(--text-main)}
.mobile-menu a:hover{color:var(--primary)}
.mobile-menu a.active{color:var(--primary)}
.mobile-menu .mobile-cta{margin-top:24px}
.mobile-menu .mobile-cta .btn{width:100%}

.site-main{min-height:60vh}
.breadcrumb-nav{background:#fff;border-bottom:1px solid var(--border);padding:14px 0;font-size:14px;color:var(--text-sub)}
.breadcrumb-nav a{color:var(--text-sub)}
.breadcrumb-nav a:hover{color:var(--primary)}
.breadcrumb-nav .sep{margin:0 8px;color:#c0ccd6}
.breadcrumb-nav .current{color:var(--text-main);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:320px;display:inline-block;vertical-align:bottom}

.article-hero{background:#fff;border-bottom:1px solid var(--border);padding:52px 0 40px}
.article-hero .container{max-width:820px}
.article-title{font-size:32px;font-weight:700;line-height:1.35;letter-spacing:.5px;color:var(--text-main);margin-bottom:16px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:20px;color:var(--text-sub);font-size:14px}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--primary)}
.meta-tag{display:inline-flex;align-items:center;background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:600;padding:4px 12px;border-radius:4px}
.meta-tag i{margin-right:5px}

.article-body{padding:56px 0 24px}
.article-content-wrap{max-width:760px;margin:0 auto}
.article-content{font-size:16px;line-height:1.9;color:var(--text-main);word-wrap:break-word}
.article-content p{margin-bottom:22px}
.article-content h2{font-size:26px;font-weight:700;margin:36px 0 16px;letter-spacing:.3px;line-height:1.4}
.article-content h3{font-size:20px;font-weight:600;margin:28px 0 12px;line-height:1.4}
.article-content h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.article-content ul,.article-content ol{margin:0 0 22px 22px}
.article-content li{margin-bottom:8px}
.article-content a{color:var(--primary);border-bottom:1px solid rgba(43,107,158,0.3)}
.article-content a:hover{color:var(--accent);border-color:var(--accent)}
.article-content blockquote{border-left:4px solid var(--primary);background:var(--primary-light);padding:18px 22px;border-radius:0 8px 8px 0;margin:28px 0;color:#33485c;font-style:normal}
.article-content blockquote p{margin-bottom:8px}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:12px;margin:28px 0;box-shadow:var(--shadow-card)}
.article-content .figure-caption{font-size:13px;color:var(--text-sub);text-align:center;margin:-16px 0 24px}
.article-content table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px}
.article-content th{background:var(--primary-light);font-weight:600}
.article-content th,.article-content td{padding:12px 14px;border:1px solid var(--border);text-align:left}
.article-content hr{border:none;border-top:1px solid var(--border);margin:32px 0}
.article-content code{background:#f0f4f8;padding:2px 6px;border-radius:4px;font-size:14px}

.not-found{max-width:680px;margin:80px auto;text-align:center;background:#fff;border:1px dashed var(--border);border-radius:var(--radius-card);padding:64px 32px}
.not-found i{font-size:48px;color:#c0ccd6;margin-bottom:20px}
.not-found h2{font-size:24px;font-weight:700;margin-bottom:10px}
.not-found p{color:var(--text-sub);font-size:15px;margin-bottom:24px}

.post-nav-section{padding:24px 0 16px;border-top:1px solid var(--border);margin-top:44px}
.post-nav-grid{max-width:760px;margin:0 auto;display:flex;gap:20px}
.post-nav-item{flex:1;background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px 20px;transition:all .2s}
.post-nav-item:hover{border-color:var(--primary);box-shadow:var(--shadow-card)}
.post-nav-item.empty{visibility:hidden}
.post-nav-label{display:block;font-size:13px;color:var(--text-sub);margin-bottom:4px}
.post-nav-title{font-size:14px;font-weight:600;color:var(--text-main);line-height:1.5;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-nav-item:hover .post-nav-title{color:var(--primary)}
.post-nav-back{max-width:760px;margin:20px auto 0;text-align:center}
.post-nav-back a{font-size:14px;color:var(--text-sub);display:inline-flex;align-items:center;gap:6px}
.post-nav-back a:hover{color:var(--primary)}

.related-section{padding:72px 0;background:#fff;border-bottom:1px solid var(--border)}
.section-head{margin-bottom:36px}
.section-head .eyebrow{font-size:13px;font-weight:600;color:var(--primary);letter-spacing:1px;text-transform:uppercase;margin-bottom:8px;display:block}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:.5px;margin-bottom:8px}
.section-head p{color:var(--text-sub);font-size:15px}
.related-grid{gap:24px 0}
.related-card{display:flex;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;height:100%;transition:all .25s}
.related-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.related-thumb{width:42%;min-width:140px;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:20px 22px;display:flex;flex-direction:column;justify-content:center;gap:8px}
.related-body .tag{align-self:flex-start;background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:600;padding:4px 10px;border-radius:4px}
.related-body h3{font-size:17px;font-weight:600;line-height:1.4}
.related-body h3 a:hover{color:var(--primary)}
.related-body p{font-size:14px;color:var(--text-sub);line-height:1.6;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.read-more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.read-more:hover{color:var(--accent)}

.faq-section{padding:72px 0;background:var(--bg)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item:hover{border-color:#c8d6e2}
.faq-item.open{border-color:var(--primary);box-shadow:var(--shadow-card)}
.faq-question{width:100%;display:flex;align-items:center;gap:16px;padding:18px 22px;background:transparent;border:none;cursor:pointer;text-align:left;transition:background .2s}
.faq-question:hover{background:#F8FAFC}
.faq-item.open .faq-question{background:var(--primary-light)}
.faq-num{font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--primary);background:var(--primary-light);border-radius:6px;padding:4px 8px;min-width:34px;text-align:center}
.faq-title{font-size:16px;font-weight:600;color:var(--text-main);flex:1}
.faq-icon{width:28px;height:28px;border-radius:50%;background:#fff;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text-sub);transition:all .3s;flex-shrink:0}
.faq-item.open .faq-icon{background:var(--primary);border-color:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-answer{display:none;padding:0 22px 20px 72px;color:var(--text-sub);font-size:15px;line-height:1.8}
.faq-answer p{margin-bottom:10px}
.faq-answer p:last-child{margin-bottom:0}
.faq-answer a{color:var(--primary);border-bottom:1px solid rgba(43,107,158,0.3)}

.cta-section{padding:80px 0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;position:relative}
.cta-section::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,0.92)}
.cta-box{position:relative;max-width:680px;margin:0 auto;text-align:center}
.cta-box h2{font-size:30px;font-weight:700;letter-spacing:.5px;margin-bottom:14px}
.cta-box p{color:var(--text-sub);font-size:16px;margin-bottom:28px}
.cta-actions{display:flex;justify-content:center;gap:14px}
.cta-actions .btn{padding:12px 30px;font-size:16px}

.site-footer{background:#1B2836;color:rgba(255,255,255,0.75);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:3fr 2fr 2fr 2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.1)}
.flogo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:.5px;margin-bottom:16px}
.flogo .brand-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);flex-shrink:0}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,0.6);max-width:320px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,0.6)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-social{display:flex;gap:10px;flex-wrap:wrap}
.s-icon{width:40px;height:40px;border-radius:8px;background:rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center;font-size:16px;color:rgba(255,255,255,0.75);transition:all .2s;cursor:default}
.s-icon:hover{background:var(--primary);color:#fff}
.footer-bottom{text-align:center;padding:22px 0;font-size:13px;color:rgba(255,255,255,0.45)}

@media(max-width:991px){
.footer-grid{grid-template-columns:1fr 1fr;gap:30px}
.main-nav{gap:18px}
.nav-search{width:170px}
}
@media(max-width:768px){
.site-header{height:60px}
.header-inner{height:60px}
.brand-text{font-size:16px}
.main-nav{display:none}
.nav-search{display:none}
.header-actions .btn-accent{display:none}
.nav-toggle{display:block}
.mobile-menu{top:60px}
.article-hero{padding:36px 0 28px}
.article-title{font-size:26px;line-height:1.4}
.article-body{padding:36px 0 16px}
.related-card{flex-direction:column}
.related-thumb{width:100%;min-width:auto;height:180px}
.related-body{padding:18px 20px}
.faq-answer{padding-left:22px}
.cta-section{padding:56px 0}
.cta-box h2{font-size:24px}
.cta-actions{flex-direction:column;gap:10px}
.cta-actions .btn{width:100%}
.footer-grid{grid-template-columns:1fr}
.post-nav-grid{flex-direction:column;gap:10px}
.article-header .container{max-width:100%}
}
@media(max-width:520px){
.header-actions .btn-accent{display:none}
.article-meta{flex-wrap:wrap;gap:10px}
.article-title{font-size:22px}
.section-head h2{font-size:24px}
}

/* roulang page: category1 */
:root {
            --primary: #2B6B9E;
            --primary-dark: #22567F;
            --primary-light: #DAE9F4;
            --accent: #B8222E;
            --accent-dark: #961B25;
            --bg: #F5F7FA;
            --card: #FFFFFF;
            --border: #E3E9EF;
            --text-main: #1B2836;
            --text-sub: #5A6A7A;
            --radius: 12px;
            --radius-btn: 8px;
            --shadow: 0 2px 8px rgba(27, 40, 54, 0.06);
            --shadow-hover: 0 8px 24px rgba(27, 40, 54, 0.10);
            --transition: all 0.25s ease;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
            color: var(--text-main);
            background: var(--bg);
            line-height: 1.75;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 17px;
            color: var(--text-main);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .brand-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            gap: 28px;
        }
        .nav-link {
            position: relative;
            padding: 8px 2px;
            font-size: 15px;
            color: var(--text-sub);
            font-weight: 500;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            height: 2px;
            width: 0;
            background: var(--primary);
            transition: width 0.2s ease;
            border-radius: 2px;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #F0F3F6;
            border: 1px solid transparent;
            border-radius: 10px;
            padding: 8px 12px;
            width: 220px;
            transition: var(--transition);
        }
        .search-box:hover {
            border-color: var(--border);
        }
        .search-box i {
            color: var(--text-sub);
            font-size: 13px;
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 14px;
            color: var(--text-main);
            min-width: 0;
        }
        .search-box input::placeholder {
            color: #8A99A8;
        }
        .kbd {
            font-size: 11px;
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 1px 6px;
            color: var(--text-sub);
            background: var(--card);
            white-space: nowrap;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(184, 34, 46, 0.25);
        }
        .btn-accent:focus {
            outline: 3px solid rgba(184, 34, 46, 0.25);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--card);
            color: var(--text-main);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .btn-outline:focus {
            outline: 3px solid rgba(43, 107, 158, 0.2);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--text-main);
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
        }
        .hamburger:focus {
            outline: 3px solid rgba(43, 107, 158, 0.2);
        }
        .mobile-menu {
            display: none;
        }
        .mobile-search {
            display: none;
            padding: 12px 16px;
            border-top: 1px solid var(--border);
            background: var(--card);
        }
        .mobile-search.open {
            display: block;
        }
        .mobile-search input {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-main);
            outline: none;
        }
        .mobile-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 107, 158, 0.12);
        }
        .news-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .news-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.78) 40%, rgba(255, 255, 255, 0.30) 100%);
        }
        .news-hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-content {
            max-width: 720px;
            padding: 72px 0;
        }
        .hero-eyebrow {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 4px;
            margin-bottom: 20px;
            letter-spacing: 0.4px;
        }
        .hero-content h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 20px;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }
        .hero-sub {
            font-size: 18px;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            background: rgba(255, 255, 255, 0.85);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px 32px;
            max-width: 560px;
            box-shadow: var(--shadow);
        }
        .stat-item {
            flex: 1;
        }
        .stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            font-family: "DIN Alternate", "Roboto", "Helvetica Neue", sans-serif;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 4px;
        }
        .section {
            padding: 72px 0;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 4px;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }
        .section-head p {
            color: var(--text-sub);
            font-size: 16px;
            margin: 0;
        }
        .channels {
            background: var(--card);
        }
        .channel-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .channel-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .channel-icon {
            width: 64px;
            height: 64px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .channel-card:hover .channel-icon {
            background: #C5DCEC;
        }
        .channel-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 10px;
            letter-spacing: 0.2px;
        }
        .channel-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 20px;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card-link i {
            transition: transform 0.2s ease;
            font-size: 13px;
        }
        .card-link:hover {
            color: var(--primary-dark);
        }
        .card-link:hover i {
            transform: translateX(4px);
        }
        .scene-section {
            background: var(--bg);
        }
        .scene-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .scene-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .scene-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px 24px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            transition: var(--transition);
        }
        .scene-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .scene-index {
            font-family: "DIN Alternate", "Roboto", "Helvetica Neue", sans-serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            min-width: 38px;
            line-height: 1.4;
        }
        .scene-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .scene-item p {
            font-size: 14px;
            color: var(--text-sub);
            margin: 0;
            line-height: 1.6;
        }
        .flow-section {
            background: var(--primary-light);
        }
        .step-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .step-num {
            font-family: "DIN Alternate", "Roboto", "Helvetica Neue", sans-serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 14px;
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 10px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            margin: 0;
        }
        .quote-section {
            background: var(--card);
        }
        .quote-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
        }
        .quote-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .quote-card p {
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.8;
            margin: 0 0 14px;
        }
        .quote-card .quote-user {
            font-size: 13px;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .quote-card .quote-user i {
            color: var(--primary);
        }
        .faq-section {
            background: var(--bg);
        }
        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--card);
            box-shadow: var(--shadow);
        }
        .accordion-button {
            background: var(--card);
            color: var(--text-main);
            font-weight: 600;
            padding: 20px 24px;
            font-size: 16px;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 12px;
            border: none;
            transition: var(--transition);
        }
        .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 22px;
            font-weight: 400;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            color: var(--primary);
            transition: transform 0.2s ease;
        }
        .accordion-button:not(.collapsed)::after {
            content: '×';
            transform: rotate(0deg);
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border);
            outline: 3px solid rgba(43, 107, 158, 0.15);
        }
        .accordion-body {
            padding: 20px 24px;
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--border);
        }
        .faq-num {
            font-family: "DIN Alternate", "Roboto", "Helvetica Neue", sans-serif;
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            min-width: 32px;
        }
        .cta-section {
            background: var(--primary-light);
        }
        .cta-box {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: var(--shadow);
            text-align: center;
            padding: 56px 40px;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }
        .cta-box p {
            color: var(--text-sub);
            margin: 0 0 28px;
            font-size: 16px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .share-label {
            font-size: 14px;
            color: var(--text-sub);
        }
        .btn-share {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 8px 18px;
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-share:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .site-footer {
            background: #1B2836;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .flogo {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .s-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            cursor: default;
        }
        .s-icon:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width: 991.98px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .search-box {
                width: 40px;
                padding: 8px;
                justify-content: center;
                border-radius: 50%;
                background: var(--bg);
                border: 1px solid var(--border);
                cursor: pointer;
            }
            .search-box input,
            .search-box .kbd {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: block;
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--card);
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                z-index: 999;
                box-shadow: var(--shadow-hover);
            }
            .mobile-menu.open a {
                display: block;
                padding: 14px 0;
                font-size: 18px;
                font-weight: 500;
                color: var(--text-main);
                border-bottom: 1px solid var(--border);
            }
            .mobile-menu.open a:last-child {
                border-bottom: none;
            }
            .mobile-menu.open a:hover,
            .mobile-menu.open a.active {
                color: var(--primary);
            }
            .hero-content h1 {
                font-size: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 48px 0;
            }
            .news-hero {
                min-height: 420px;
            }
            .hero-content {
                padding: 48px 0;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 20px;
                padding: 20px 24px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .scene-media img {
                height: 280px;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 14px;
                gap: 6px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-accent,
            .hero-actions .btn-outline {
                justify-content: center;
            }
            .channel-card,
            .scene-item,
            .step-card {
                padding: 20px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .btn-share {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2B6B9E;
            --primary-dark: #1F527A;
            --primary-light: #DAE9F4;
            --accent: #B8222E;
            --accent-dark: #8E1A23;
            --bg: #F5F7FA;
            --card: #FFFFFF;
            --border: #E3E9EF;
            --text-main: #1B2836;
            --text-sub: #5A6A7A;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 8px rgba(27, 40, 54, 0.06);
            --shadow-hover: 0 8px 24px rgba(27, 40, 54, 0.10);
            --transition: 0.2s ease;
        }

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

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .row {
            --bs-gutter-x: 24px;
            --bs-gutter-y: 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .row {
                --bs-gutter-x: 16px;
                --bs-gutter-y: 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .brand-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            display: inline-block;
        }

        .main-nav {
            display: flex;
            gap: 28px;
            align-items: center;
        }

        .main-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            padding: 22px 0 20px;
            position: relative;
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .command-search {
            display: flex;
            align-items: center;
            background: #F0F3F6;
            border: 1px solid transparent;
            border-radius: 10px;
            padding: 7px 14px;
            gap: 8px;
            width: 240px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .command-search i {
            color: var(--text-sub);
            font-size: 14px;
        }

        .command-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-main);
            flex: 1;
            min-width: 0;
        }

        .command-search input::placeholder {
            color: #8A99A8;
        }

        .command-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 107, 158, 0.12);
        }

        .cmd-badge {
            font-size: 12px;
            color: var(--text-sub);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 1px 6px;
            font-family: "DIN Alternate", "Roboto", sans-serif;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 8px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-main);
            cursor: pointer;
        }

        .nav-toggle:focus {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }

        .btn:focus {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            box-shadow: none;
        }

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

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(184, 34, 46, 0.22);
        }

        .btn-accent:active {
            background: var(--accent-dark);
            transform: translateY(0);
            box-shadow: none;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(43, 107, 158, 0.2);
        }

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

        .btn-outline:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-card);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 14px;
        }

        .btn-follow {
            white-space: nowrap;
        }

        /* ===== Hero ===== */
        .hero-section {
            background: linear-gradient(to right, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.82) 40%, rgba(255, 255, 255, 0.25) 100%), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            min-height: 480px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
        }

        .hero-content {
            max-width: 720px;
            padding: 64px 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 4px;
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: 13px;
        }

        .hero-content h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin: 0 0 20px;
            color: var(--text-main);
        }

        .hero-sub {
            font-size: 17px;
            color: var(--text-sub);
            line-height: 1.8;
            margin: 0 0 32px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .hero-stats {
            display: flex;
            gap: 0;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 24px 0;
            max-width: 580px;
        }

        .stat-item {
            flex: 1;
            text-align: center;
            padding: 0 16px;
            border-right: 1px solid var(--border);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-num {
            display: block;
            font-family: "DIN Alternate", "Roboto", "Helvetica Neue", sans-serif;
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            display: block;
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 6px;
        }

        /* ===== Section common ===== */
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 4px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== Feature section ===== */
        .feature-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .feature-grid .col {
            display: flex;
        }

        .feature-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px 24px;
            width: 100%;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 24px;
            transition: background var(--transition), color var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
        }

        .feature-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 10px;
            letter-spacing: 0.5px;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Stats band ===== */
        .stats-band {
            background: var(--primary-light);
            padding: 56px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .stats-row {
            justify-content: center;
        }

        .band-stat {
            text-align: center;
            padding: 16px 8px;
        }

        .band-num {
            display: block;
            font-family: "DIN Alternate", "Roboto", sans-serif;
            font-size: 42px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .band-label {
            font-size: 14px;
            color: var(--text-sub);
            letter-spacing: 0.5px;
        }

        /* ===== Coverage ===== */
        .coverage-section {
            padding: 80px 0;
            background: var(--card);
        }

        .coverage-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .coverage-card img {
            height: 180px;
            width: 100%;
            object-fit: cover;
        }

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

        .coverage-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .coverage-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            margin: 0 0 16px;
            flex: 1;
        }

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

        .coverage-link i {
            transition: transform var(--transition);
        }

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

        /* ===== Featured articles ===== */
        .featured-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .article-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .article-card img {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }

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

        .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 14px;
            align-self: flex-start;
        }

        .article-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.45;
            margin: 0 0 10px;
            color: var(--text-main);
        }

        .article-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0 0 18px;
            flex: 1;
        }

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

        .article-link i {
            transition: transform var(--transition);
        }

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

        /* ===== Process ===== */
        .process-section {
            padding: 80px 0;
            background: var(--card);
        }

        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            height: 100%;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .step-num {
            display: inline-block;
            font-family: "DIN Alternate", "Roboto", sans-serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 10px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .faq-wrap {
            max-width: 840px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            background: var(--card);
            overflow: hidden;
        }

        .accordion-button {
            background: transparent;
            box-shadow: none;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            border-radius: 0 !important;
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .accordion-button::after {
            display: none;
        }

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

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(43, 107, 158, 0.12);
            outline: none;
        }

        .faq-num {
            font-family: "DIN Alternate", "Roboto", sans-serif;
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }

        .faq-icon {
            margin-left: auto;
            font-size: 18px;
            color: var(--text-sub);
            flex-shrink: 0;
            transition: transform var(--transition), color var(--transition);
        }

        .accordion-button:not(.collapsed) .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .accordion-body {
            padding: 18px 24px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            background: var(--card);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--primary-light);
            border-top: 1px solid var(--border);
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 56px 40px;
            box-shadow: var(--shadow-card);
        }

        .cta-inner h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .cta-inner p {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.75;
            margin: 0 0 32px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .cta-share {
            display: flex;
            justify-content: center;
            gap: 12px;
            border-top: 1px solid var(--border);
            padding-top: 28px;
        }

        .cta-share-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-right: 4px;
            line-height: 42px;
        }

        .share-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--bg);
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--text-sub);
            transition: all var(--transition);
            cursor: default;
        }

        .share-icon:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1B2836;
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .flogo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            max-width: 380px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition), padding-left var(--transition);
        }

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

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .s-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            transition: all var(--transition);
            cursor: default;
        }

        .s-icon:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .header-inner {
                flex-wrap: wrap;
            }

            .main-nav {
                display: none;
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                gap: 0;
                padding: 16px 24px;
                box-shadow: 0 12px 32px rgba(27, 40, 54, 0.1);
                z-index: 1040;
            }

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

            .main-nav .nav-link {
                padding: 16px 0;
                font-size: 17px;
                border-bottom: 1px solid var(--border);
                width: 100%;
                border-bottom-color: var(--border);
            }

            .main-nav .nav-link:last-child {
                border-bottom: none;
            }

            .nav-toggle {
                display: flex;
            }

            .command-search {
                width: 44px;
                padding: 0;
                justify-content: center;
                border-radius: 10px;
                background: var(--bg);
            }

            .command-search input {
                display: none;
            }

            .cmd-badge {
                display: none;
            }

            .hero-section {
                min-height: auto;
                background: linear-gradient(to right, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.6) 100%), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            }

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

            .hero-content h1 {
                font-size: 34px;
            }

            .hero-stats {
                flex-wrap: wrap;
            }

            .stat-item {
                flex: 1 1 30%;
                margin-bottom: 16px;
            }

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

        @media (max-width: 768px) {
            .feature-section,
            .coverage-section,
            .featured-section,
            .process-section,
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }

            .section-head {
                margin-bottom: 32px;
            }

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

            .hero-actions .btn {
                width: calc(50% - 8px);
            }

            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }

            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--border);
                padding: 8px 0;
                margin-bottom: 0;
            }

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

            .stat-num {
                font-size: 26px;
            }

            .cta-inner {
                padding: 40px 20px;
            }

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

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

        @media (max-width: 520px) {
            .header-inner {
                gap: 12px;
            }

            .brand-logo {
                font-size: 14px;
                gap: 6px;
            }

            .btn-follow {
                padding: 7px 12px;
                font-size: 13px;
            }

            .hero-content h1 {
                font-size: 28px;
            }

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

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

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

            .stat-num {
                font-size: 24px;
            }

            .band-num {
                font-size: 32px;
            }

            .accordion-button {
                padding: 16px 16px;
                font-size: 15px;
                gap: 10px;
            }

            .accordion-body {
                padding: 16px;
                font-size: 14px;
            }

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