/* roulang page: index */
:root {
  --primary: #3b5bfd;
  --primary-dark: #2a3fb8;
  --primary-light: #eef1ff;
  --accent: #ff6b35;
  --accent-light: #fff0ea;
  --bg: #ffffff;
  --bg-alt: #f5f7fc;
  --text: #1a1d29;
  --text-weak: #6b7280;
  --border: #e6e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(26, 29, 41, 0.06);
  --shadow-lg: 0 12px 40px rgba(26, 29, 41, 0.1);
  --space-section: 80px;
}
* { box-sizing: border-box; }
html, body { overflow-x: hidden; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
a { text-decoration: none; color: var(--primary); transition: color .2s; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
.container-custom { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(230, 232, 240, 0.7);
}
.navbar-brand-custom {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--text);
}
.navbar-brand-custom .logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #7b8cff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 900;
}
.navbar-brand-custom:hover { color: var(--primary); }
.nav-link-custom {
  font-weight: 600;
  color: var(--text);
  padding: 8px 16px !important;
  border-radius: 30px;
  margin: 0 2px;
  font-size: 15px;
}
.nav-link-custom:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-link-custom.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 700;
}
.navbar-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-wrapper {
  position: relative;
}
.search-wrapper input {
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 7px 16px 7px 36px;
  font-size: 14px;
  background: #f7f8fc;
  transition: all .2s;
  width: 180px;
}
.search-wrapper input:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(59, 91, 253, 0.12);
  width: 220px;
}
.search-wrapper i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-weak);
  font-size: 13px;
}
.btn-primary-custom {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 24px;
  padding: 8px 22px;
  font-weight: 600;
  font-size: 14px;
  transition: all .25s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary-custom:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 91, 253, 0.3);
}
.btn-outline-custom {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 9px 20px;
  font-weight: 600;
  font-size: 13px;
  transition: all .2s;
  white-space: nowrap;
}
.btn-outline-custom:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* Hero */
.hero-section {
  background: linear-gradient(135deg, #f0f3ff 0%, #e8ecff 50%, #dde4ff 100%);
  padding: 70px 0;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  color: var(--text);
}
.hero-title span { color: var(--primary); }
.hero-desc {
  font-size: 17px;
  color: var(--text-weak);
  max-width: 560px;
  margin-bottom: 30px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-hero {
  padding: 12px 30px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  transition: all .25s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-hero-1 { background: var(--primary); color: #fff; }
.btn-hero-1:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(59, 91, 253, 0.35); }
.btn-hero-2 { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-hero-2:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}
.hero-stat-item .num { font-size: 28px; font-weight: 800; color: var(--text); }
.hero-stat-item .label { font-size: 13px; color: var(--text-weak); }
.hero-image {
  position: relative;
  z-index: 2;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-image img { width: 100%; display: block; }
.hero-image-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-image-card img { width: 100%; height: 100%; object-fit: cover; display: block; min-height: 340px; }
.hero-image-card .overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  padding: 30px 24px 20px;
  color: #fff;
}
.hero-image-card .overlay h4 { font-weight: 700; font-size: 18px; margin-bottom: 4px; }
.hero-image-card .overlay p { font-size: 13px; opacity: 0.9; margin-bottom: 0; }

/* Section Title */
.section-title-wrap { margin-bottom: 40px; }
.section-label {
  display: inline-block;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  background: var(--primary-light);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}
.section-subtitle { color: var(--text-weak); font-size: 15px; max-width: 560px; }

/* Cards */
.card-custom {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all .3s;
  height: 100%;
}
.card-custom:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.card-icon.primary { background: var(--primary-light); color: var(--primary); }
.card-icon.accent { background: var(--accent-light); color: var(--accent); }
.card-icon.green { background: #e8f8f0; color: #10b981; }
.icon-nav { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-radius: 12px; transition: all 0.25s; }
.icon-nav:hover { background: var(--primary-light); }

/* Feature Section */
.feature-section { background: var(--bg-alt); padding: var(--space-section) 0; }
.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list i { color: var(--primary); font-size: 18px; margin-top: 3px; }

/* Platform cards */
.platform-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  transition: all .3s;
  height: 100%;
  display: block;
  text-decoration: none;
  color: var(--text);
}
.platform-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  text-decoration: none;
  color: var(--text);
}
.platform-card .img-wrap { overflow: hidden; height: 180px; position: relative; }
.platform-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.platform-card:hover .img-wrap img { transform: scale(1.05); }
.platform-card .body { padding: 22px; }
.platform-card h4 { font-weight: 700; font-size: 18px; margin-bottom: 8px; }
.platform-card p { color: var(--text-weak); font-size: 14px; margin-bottom: 14px; }
.platform-card .tag { font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 3px 12px; border-radius: 20px; display: inline-block; }

/* Content Cards */
.content-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .3s;
  height: 100%;
}
.content-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.content-card .card-img-h { height: 160px; overflow: hidden; }
.content-card .card-img-h img { width: 100%; height: 100%; object-fit: cover; }
.content-card .card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.card-meta { font-size: 12px; color: var(--text-weak); display: flex; gap: 12px; margin-bottom: 10px; }
.card-meta .cat { color: var(--primary); font-weight: 600; }
.content-card h5 { font-size: 16px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.content-card p { font-size: 13px; color: var(--text-weak); flex: 1; }
.card-link { font-size: 13px; font-weight: 600; color: var(--primary); margin-top: 12px; display: flex; justify-content: space-between; align-items: center; }

/* Data Section */
.data-section {
  padding: var(--space-section) 0;
  position: relative;
  overflow: hidden;
}
.data-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.06;
}
.data-item { text-align: center; padding: 30px 20px; }
.data-num {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.data-label { font-size: 14px; color: var(--text-weak); }

/* Process section */
.process-section { background: var(--bg-alt); padding: var(--space-section) 0; }
.process-item { text-align: center; padding: 20px; position: relative; }
.process-step {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 14px;
}
.process-item h5 { font-weight: 700; margin-bottom: 8px; }
.process-item p { color: var(--text-weak); font-size: 14px; }
.process-line { position: absolute; top: 44px; left: 60%; width: 80%; height: 2px; background: var(--border); }

/* CTA */
.cta-section {
  padding: var(--space-section) 0;
  background: var(--primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
.cta-content { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; }
.cta-content h2 { font-weight: 800; font-size: 32px; margin-bottom: 12px; }
.cta-content p { font-size: 15px; opacity: .9; margin-bottom: 26px; }
.btn-cta-light {
  background: #fff;
  color: var(--primary);
  border-radius: 30px;
  padding: 12px 32px;
  font-weight: 700;
  border: none;
  transition: all .25s;
}
.btn-cta-light:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); color: var(--primary-dark); }

/* FAQ */
.faq-section { padding: var(--space-section) 0; }
.accordion-item-custom {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-button-custom {
  font-weight: 600;
  font-size: 15px;
  padding: 18px 24px;
  background: #fff;
  color: var(--text) !important;
}
.accordion-button-custom:focus { box-shadow: none; border-color: transparent; }
.accordion-button-custom:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary) !important;
}
.accordion-body-custom { padding: 20px 24px; color: var(--text-weak); font-size: 14px; line-height: 1.8; }

/* Footer */
.site-footer {
  background: #13161f;
  color: #9ca3af;
  padding: 60px 0 20px;
}
.site-footer h5 { color: #fff; font-weight: 700; font-size: 16px; margin-bottom: 18px; }
.site-footer a { color: #9ca3af; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #7b8cff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 900;
}
.footer-brand .name { font-size: 18px; font-weight: 800; color: #fff; }
.footer-bottom { border-top: 1px solid #2a2c39; padding-top: 24px; margin-top: 40px; font-size: 13px; color: #6b7280; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 8px; }

/* Section padding */
.section-padding { padding: var(--space-section) 0; }

/* Empty state */
.empty-tip {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-weak);
  font-size: 15px;
  background: var(--bg-alt);
  border-radius: var(--radius);
}

/* Blockquote */
.custom-blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
  margin: 20px 0;
}

/* Mobile */
.mobile-toggler {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  font-size: 20px;
  cursor: pointer;
}
@media (max-width: 991px) {
  .navbar-collapse-custom {
    background: #fff;
    padding: 16px;
    border-radius: var(--radius);
    margin-top: 10px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .nav-link-custom { display: block; }
  .search-wrapper { width: 100%; margin: 10px 0; }
  .search-wrapper input { width: 100%; }
  .search-wrapper input:focus { width: 100%; }
  .navbar-cta { flex-wrap: wrap; }
  .hero-title { font-size: 32px; }
  .section-title { font-size: 26px; }
  .data-num { font-size: 36px; }
  .process-line { display: none; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
}
@media (max-width: 576px) {
  :root { --space-section: 50px; }
  .hero-title { font-size: 28px; }
  .hero-section { padding: 40px 0; }
  .btn-hero { padding: 10px 22px; font-size: 14px; }
  .hero-stats { gap: 12px; }
  .hero-stat-item .num { font-size: 22px; }
  .section-title { font-size: 22px; }
  .platform-card .img-wrap { height: 140px; }
  .content-card .card-img-h { height: 130px; }
  .data-num { font-size: 30px; }
}

/* roulang page: article */
:root {
    --primary: #142337;
    --primary-dark: #0d1727;
    --primary-light: #1f3450;
    --accent: #c8a45d;
    --accent-hover: #b08e42;
    --accent-soft: rgba(200, 164, 93, 0.14);
    --bg: #f7f4ef;
    --bg-deep: #0d1727;
    --card-bg: #ffffff;
    --text: #1f2937;
    --text-muted: #64748b;
    --border: #e8e2d8;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 12px rgba(20, 35, 55, 0.06);
    --shadow-md: 0 6px 30px rgba(20, 35, 55, 0.1);
    --shadow-hover: 0 14px 44px rgba(20, 35, 55, 0.14);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    overflow-x: hidden;
}

body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

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

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

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

.container {
    max-width: 1220px;
    padding-left: 24px;
    padding-right: 24px;
}

/* ===== Header / Nav ===== */
.site-header {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(20, 35, 55, 0.05);
}

.navbar {
    padding-top: 10px;
    padding-bottom: 10px;
}

.navbar-brand-custom {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: 0.3px;
    color: var(--primary);
    padding: 6px 0;
}

.navbar-brand-custom .logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0;
    box-shadow: 0 4px 14px rgba(20, 35, 55, 0.25);
}

.navbar-collapse-custom {
    flex-grow: 1;
}

.navbar-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 6px 14px;
    gap: 8px;
    color: var(--text-muted);
    transition: var(--transition);
}

.search-wrapper:focus-within {
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(200, 164, 93, 0.15);
}

.search-wrapper input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 13px;
    color: var(--text);
    width: 100%;
    min-width: 100px;
}

.search-wrapper input::placeholder {
    color: var(--text-muted);
}

.nav-link-custom {
    color: var(--text);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 14px !important;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link-custom:hover {
    color: var(--accent);
    background: var(--accent-soft);
}

.nav-link-custom.active {
    color: var(--primary);
    background: var(--accent-soft);
    font-weight: 700;
}

.btn-primary-custom {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary);
    color: #fff !important;
    border: none;
    border-radius: 50px;
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 700;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary-custom:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(20, 35, 55, 0.3);
}

.btn-outline-custom {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    transition: var(--transition);
}

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

.mobile-toggler {
    background: none;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 12px;
    color: var(--primary);
    font-size: 18px;
    line-height: 1;
}

/* ===== Article Hero ===== */
.article-hero {
    position: relative;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    padding: 90px 0 70px;
    color: #fff;
}

.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13, 23, 39, 0.88) 0%, rgba(20, 35, 55, 0.72) 50%, rgba(13, 23, 39, 0.85) 100%);
}

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

.breadcrumb-custom {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
}

.breadcrumb-custom a {
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
}

.breadcrumb-custom a:hover {
    color: var(--accent);
}

.breadcrumb-custom span {
    color: rgba(255, 255, 255, 0.5);
}

.badge-soft {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(200, 164, 93, 0.18);
    border: 1px solid rgba(200, 164, 93, 0.4);
    color: #e6c98a;
    border-radius: 50px;
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 18px;
}

.article-hero h1 {
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 800;
    line-height: 1.3;
    max-width: 760px;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

/* ===== Article Content ===== */
.article-section {
    padding: 70px 0 30px;
}

.article-main {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 36px;
    margin-bottom: 40px;
}

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

.article-cover-img img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.article-body-content {
    font-size: 16px;
    line-height: 1.95;
    color: var(--text);
}

.article-body-content p {
    margin-bottom: 1.4em;
}

.article-body-content h2,
.article-body-content h3 {
    font-weight: 700;
    color: var(--primary);
    margin-top: 1.6em;
    margin-bottom: 0.8em;
}

.article-body-content h2 {
    font-size: 24px;
}

.article-body-content h3 {
    font-size: 19px;
}

.article-body-content ul {
    padding-left: 1.2em;
    list-style: disc;
    margin-bottom: 1.4em;
}

.article-body-content ol {
    padding-left: 1.2em;
    list-style: decimal;
    margin-bottom: 1.4em;
}

.article-body-content li {
    margin-bottom: 0.5em;
}

.article-body-content blockquote {
    border-left: 4px solid var(--accent);
    background: var(--accent-soft);
    padding: 18px 22px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 1.6em 0;
    font-style: italic;
    color: var(--primary);
}

.article-body-content img {
    border-radius: var(--radius-md);
    margin: 1.6em 0;
}

.article-tags {
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 4px 14px;
    font-size: 12px;
    color: var(--text-muted);
    transition: var(--transition);
}

.tag-item:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

/* Not Found */
.not-found-box {
    text-align: center;
    padding: 70px 30px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.not-found-box i {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: 18px;
}

.not-found-box h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.not-found-box p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Sidebar */
.sidebar-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 24px;
}

.sidebar-card h5 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

.sidebar-about p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 0;
}

.sidebar-posts {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.sidebar-post-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 12px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.sidebar-post-item:hover {
    background: var(--accent-soft);
    transform: translateX(4px);
}

.sidebar-post-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
}

.sidebar-post-date {
    font-size: 11px;
    color: var(--text-muted);
}

.sidebar-cats {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-cat-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text);
    transition: var(--transition);
}

.sidebar-cat-link:hover {
    background: var(--accent-soft);
    color: var(--accent);
    padding-left: 18px;
}

/* ===== Related Articles ===== */
.related-section {
    padding: 50px 0;
}

.related-section h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--primary);
    text-align: center;
    margin-bottom: 8px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 36px;
}

.related-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
}

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

.related-card-img {
    height: 180px;
    overflow: hidden;
}

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

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

.related-card-body {
    padding: 20px;
}

.related-card-body h5 {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card-body h5:hover {
    color: var(--accent);
}

.related-card-body .date {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ===== FAQ ===== */
.faq-section {
    padding: 60px 0;
    background: var(--bg-deep);
    color: #fff;
}

.faq-section .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.faq-section h2 {
    color: #fff;
    text-align: center;
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

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

.faq-item {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    color: #fff;
    gap: 12px;
}

.faq-question i {
    color: var(--accent);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.75);
}

html.js .faq-answer {
    max-height: none;
}

/* ===== CTA ===== */
.cta-section {
    padding: 70px 0;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(13, 23, 39, 0.92), rgba(13, 23, 39, 0.7));
}

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

.cta-inner h2 {
    color: #fff;
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-inner p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
    max-width: 600px;
    margin: 0 auto 28px;
    line-height: 1.8;
}

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

.cta-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--primary-dark) !important;
    border: none;
    border-radius: 50px;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 700;
    transition: var(--transition);
}

.cta-btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(200, 164, 93, 0.35);
}

.cta-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    border-radius: 50px;
    padding: 11px 26px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.cta-btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-deep);
    color: #fff;
    padding: 70px 0 30px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-brand .logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: var(--primary-dark);
    border-radius: 10px;
    font-size: 16px;
    font-weight: 900;
}

.footer-brand .name {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.site-footer h5 {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

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

.footer-links li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #9ca3af;
}

.footer-links a {
    color: #9ca3af;
    font-size: 13px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-links i {
    color: var(--accent);
    font-size: 12px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    margin-top: 50px;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .article-hero {
        padding: 70px 0 50px;
    }
    .article-main {
        padding: 28px;
    }
    .sidebar-card {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    .search-wrapper {
        display: none;
    }
    .navbar-cta {
        gap: 8px;
    }
    .article-hero {
        padding: 50px 0 40px;
    }
    .article-hero h1 {
        font-size: 24px;
    }
    .article-section {
        padding: 40px 0 20px;
    }
    .article-main {
        padding: 20px;
        border-radius: var(--radius-md);
    }
    .article-body-content {
        font-size: 15px;
        line-height: 1.85;
    }
    .related-section {
        padding: 30px 0;
    }
    .related-card-img {
        height: 150px;
    }
    .cta-inner h2 {
        font-size: 24px;
    }
    .site-footer {
        padding: 50px 0 24px;
    }
    .faq-section {
        padding: 40px 0;
    }
}

@media (max-width: 520px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .article-hero {
        padding: 40px 0 30px;
    }
    .article-hero h1 {
        font-size: 20px;
    }
    .article-meta {
        gap: 10px;
        font-size: 12px;
    }
    .article-main {
        padding: 16px;
    }
    .article-cover-img {
        margin-bottom: 20px;
    }
    .article-body-content h2 {
        font-size: 20px;
    }
    .article-body-content h3 {
        font-size: 17px;
    }
    .btn-primary-custom,
    .btn-outline-custom {
        padding: 7px 12px;
        font-size: 12px;
    }
    .navbar-brand-custom {
        font-size: 15px;
    }
    .navbar-brand-custom .logo-icon {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }
    .cta-btns {
        flex-direction: column;
        align-items: center;
    }
    .cta-btn-primary,
    .cta-btn-outline {
        width: 100%;
        justify-content: center;
    }
    .footer-bottom {
        margin-top: 30px;
    }
}

/* roulang page: category1 */
:root {
            --bg-site: #f6f4ef;
            --bg-dark: #12141d;
            --bg-card: #ffffff;
            --text-main: #1f2430;
            --text-muted: #6b7280;
            --brand: #e85e34;
            --brand-dark: #c94b26;
            --brand-soft: rgba(232, 94, 52, .1);
            --accent: #f2c14e;
            --border: #e8e4dd;
            --radius: 18px;
            --radius-sm: 10px;
            --shadow: 0 18px 40px rgba(18, 20, 29, .08);
            --shadow-hover: 0 22px 50px rgba(18, 20, 29, .13);
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

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

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

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

        a {
            text-decoration: none;
            transition: color .25s ease;
        }

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

        button,
        input {
            font-family: inherit;
        }

        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(232, 94, 52, .4);
            outline-offset: 2px;
        }

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

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 24px rgba(18, 20, 29, .04);
        }

        .site-header .navbar {
            gap: 20px;
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-main);
            letter-spacing: .5px;
            white-space: nowrap;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand), #f2a24e);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: 0 6px 14px rgba(232, 94, 52, .28);
        }

        .navbar-collapse-custom {
            flex: 1;
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link-custom {
            display: inline-block;
            padding: 10px 16px;
            border-radius: 10px;
            font-weight: 500;
            color: var(--text-main);
            font-size: 15px;
            position: relative;
            transition: background .2s, color .2s;
        }

        .nav-link-custom:hover {
            color: var(--brand);
            background: var(--brand-soft);
        }

        .nav-link-custom.active {
            color: var(--brand);
            font-weight: 600;
            background: var(--brand-soft);
        }

        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 3px;
            border-radius: 4px;
            background: var(--brand);
        }

        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .search-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1efe9;
            border-radius: 50px;
            padding: 9px 16px;
            min-width: 180px;
            border: 1px solid transparent;
            transition: border .2s, background .2s;
        }

        .search-wrapper:focus-within {
            border-color: var(--brand);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(232, 94, 52, .08);
        }

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

        .search-wrapper input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text-main);
            width: 100%;
        }

        .search-wrapper input::placeholder {
            color: #9ca3af;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand);
            border: 1px solid var(--brand);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: 50px;
            transition: all .25s ease;
            white-space: nowrap;
            box-shadow: 0 8px 20px rgba(232, 94, 52, .25);
        }

        .btn-primary-custom:hover {
            background: var(--brand-dark);
            border-color: var(--brand-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(232, 94, 52, .34);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-main);
            font-weight: 500;
            font-size: 14px;
            padding: 10px 18px;
            border-radius: 50px;
            transition: all .25s ease;
            white-space: nowrap;
        }

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

        .mobile-toggler {
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            width: 44px;
            height: 40px;
            color: var(--text-main);
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-toggler:hover {
            color: var(--brand);
            border-color: var(--brand);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            padding: 80px 0;
            background:
                linear-gradient(115deg, rgba(18, 20, 29, .94) 0%, rgba(18, 20, 29, .74) 46%, rgba(18, 20, 29, .38) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
        }

        .page-banner .crumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

        .page-banner .crumb a {
            color: rgba(255, 255, 255, .7);
        }

        .page-banner .crumb a:hover {
            color: #fff;
        }

        .page-banner .crumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, .4);
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(242, 193, 78, .18);
            border: 1px solid rgba(242, 193, 78, .4);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 7px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }

        .page-banner h1 {
            font-size: clamp(2rem, 4.2vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .page-banner .banner-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, .78);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 30px;
        }

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

        .btn-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--text-main);
            font-weight: 600;
            font-size: 14px;
            padding: 12px 24px;
            border-radius: 50px;
            border: 1px solid transparent;
            transition: all .25s ease;
            box-shadow: 0 10px 26px rgba(0, 0, 0, .12);
        }

        .btn-light-custom:hover {
            background: var(--accent);
            color: var(--bg-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(0, 0, 0, .16);
        }

        .btn-ghost-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .1);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 24px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, .3);
            backdrop-filter: blur(4px);
            transition: all .25s ease;
        }

        .btn-ghost-custom:hover {
            background: #fff;
            color: var(--text-main);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Sections ===== */
        .section-block {
            padding: 90px 0;
        }

        .section-block-alt {
            background: #fbfaf7;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            background: var(--brand-soft);
            color: var(--brand);
            border-radius: 50px;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: .5px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
        }

        /* ===== Intro & Stats ===== */
        .intro-wrap {
            max-width: 840px;
            margin: 0 auto 50px;
            text-align: center;
        }

        .intro-wrap .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

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

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 18px;
            text-align: center;
            transition: all .25s ease;
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 94, 52, .2);
        }

        .stat-number {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--brand);
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* ===== Steps ===== */
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            height: 100%;
            position: relative;
            transition: all .25s ease;
        }

        .step-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: rgba(232, 94, 52, .18);
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--brand), #f2a24e);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(232, 94, 52, .25);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* ===== Story Media Blocks ===== */
        .media-blocks {
            display: flex;
            flex-direction: column;
            gap: 80px;
        }

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

        .story-block.reverse .story-media {
            order: 2;
        }

        .story-media {
            position: relative;
        }

        .story-media img {
            width: 100%;
            border-radius: 24px;
            box-shadow: var(--shadow);
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        .story-media::after {
            content: "";
            position: absolute;
            inset: 16px -14px -14px 16px;
            border: 2px solid var(--brand);
            border-radius: 26px;
            z-index: -1;
            opacity: .35;
        }

        .story-content h3 {
            font-size: 24px;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .story-content p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .story-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .story-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 10px;
            font-size: 14px;
            color: var(--text-main);
        }

        .story-list li::before {
            content: "\f058";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 1px;
            color: var(--brand);
            font-size: 15px;
        }

        .btn-link-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 11px 22px;
            border-radius: 50px;
            transition: all .25s ease;
            box-shadow: 0 8px 20px rgba(232, 94, 52, .22);
        }

        .btn-link-custom:hover {
            background: var(--brand-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(232, 94, 52, .3);
        }

        /* ===== Tutorial Cards ===== */
        .tutorial-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            height: 100%;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }

        .tutorial-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 94, 52, .2);
        }

        .tutorial-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: var(--brand-soft);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            transition: all .3s ease;
        }

        .tutorial-card:hover .tutorial-icon {
            background: var(--brand);
            color: #fff;
            transform: rotate(-6deg) scale(1.05);
        }

        .tutorial-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .tutorial-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 18px;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: gap .2s ease, color .2s;
        }

        .card-link:hover {
            color: var(--brand-dark);
            gap: 12px;
        }

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

        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: 16px !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 4px 14px rgba(18, 20, 29, .03);
            background: var(--bg-card);
        }

        .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            padding: 20px 24px;
            background: #fff;
            border: none;
            box-shadow: none;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231f2430'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
            transition: transform .25s ease;
        }

        .accordion-button:not(.collapsed) {
            background: var(--brand-soft);
            color: var(--text-main);
            box-shadow: none;
        }

        .accordion-button:not(.collapsed)::after {
            filter: none;
            transform: rotate(180deg);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand);
        }

        .accordion-body {
            padding: 20px 24px 24px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            border-top: 1px solid var(--border);
            background: #fff;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 90px 0 0;
        }

        .cta-box {
            position: relative;
            background:
                linear-gradient(120deg, rgba(18, 20, 29, .95) 0%, rgba(18, 20, 29, .72) 60%, rgba(18, 20, 29, .5) 100%),
                url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            border-radius: 28px;
            padding: 68px 48px;
            color: #fff;
            overflow: hidden;
        }

        .cta-box .cta-title {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-box .cta-desc {
            color: rgba(255, 255, 255, .78);
            font-size: 15px;
            margin-bottom: 30px;
            max-width: 520px;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: #12141d;
            color: #a8adb8;
            padding: 72px 0 30px;
            margin-top: 90px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .logo-icon {
            width: 42px;
            height: 42px;
            font-size: 15px;
        }

        .footer-brand .name {
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: .5px;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-links a {
            color: #9ca3af;
            transition: color .2s;
        }

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

        .footer-links i {
            color: var(--accent);
            width: 16px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 48px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .section-block {
                padding: 72px 0;
            }

            .story-block {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-collapse-custom {
                padding: 18px 0;
            }

            .navbar-nav {
                margin-bottom: 16px;
            }

            .navbar-cta {
                width: 100%;
            }

            .search-wrapper {
                flex: 1;
                min-width: 0;
            }

            .btn-outline-custom {
                display: none;
            }

            .page-banner {
                min-height: 400px;
                padding: 60px 0;
            }

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

            .story-block,
            .story-block.reverse {
                grid-template-columns: 1fr;
                gap: 34px;
            }

            .story-block.reverse .story-media {
                order: 0;
            }

            .story-media::after {
                display: none;
            }
        }

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

            .section-title {
                font-size: 1.6rem;
            }

            .page-banner {
                min-height: 360px;
                padding: 48px 0;
            }

            .page-banner h1 {
                font-size: 1.9rem;
            }

            .page-banner .banner-sub {
                font-size: 14px;
            }

            .btn-light-custom,
            .btn-ghost-custom {
                padding: 10px 18px;
                font-size: 13px;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-card {
                padding: 24px 14px;
            }

            .cta-box {
                padding: 44px 28px;
                border-radius: 20px;
            }

            .cta-title {
                font-size: 1.6rem;
            }

            .footer-bottom {
                margin-top: 36px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .site-header .navbar {
                padding-top: 6px;
                padding-bottom: 6px;
            }

            .navbar-brand-custom {
                font-size: 16px;
                gap: 8px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 13px;
                border-radius: 10px;
            }

            .page-banner {
                min-height: 340px;
                padding: 40px 0;
            }

            .page-banner h1 {
                font-size: 1.55rem;
            }

            .page-banner .banner-sub {
                font-size: 13px;
                margin-bottom: 20px;
            }

            .banner-actions {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .media-blocks {
                gap: 54px;
            }

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

            .story-content h3 {
                font-size: 20px;
            }

            .adsbygoogle,
            .tutorial-card {
                padding: 26px 20px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-actions .btn {
                text-align: center;
                justify-content: center;
            }

            .site-footer {
                padding-top: 56px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #6c5ce7;
            --primary-dark: #5146b8;
            --primary-light: #8b7cf0;
            --accent: #ff7f50;
            --accent-light: #ffa075;
            --dark: #0f1626;
            --darker: #0a0f1c;
            --bg: #f4f6fb;
            --card-bg: #ffffff;
            --text: #1e2a3a;
            --text-light: #64748b;
            --text-muted: #94a3b8;
            --border: #e8ecf3;
            --radius: 18px;
            --radius-sm: 12px;
            --radius-lg: 26px;
            --shadow: 0 12px 40px rgba(15, 23, 42, .08);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, .12);
            --transition: all .3s cubic-bezier(.22, .61, .36, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(15, 22, 38, .92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            height: 74px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            width: 100%;
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
            white-space: nowrap;
            transition: var(--transition);
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #4a3fbf);
            color: #fff;
            font-size: 15px;
            font-weight: 900;
            letter-spacing: -1px;
            box-shadow: 0 6px 20px rgba(108, 92, 231, .4);
            flex-shrink: 0;
        }

        .navbar-collapse-custom {
            gap: 24px;
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link-custom {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 500;
            color: #aeb6c8;
            transition: var(--transition);
            background: transparent;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .nav-link-custom:hover {
            color: #fff;
            background: rgba(255, 255, 255, .06);
        }

        .nav-link-custom.active {
            color: #fff;
            background: rgba(108, 92, 231, .22);
            border-color: rgba(108, 92, 231, .35);
            font-weight: 600;
        }

        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .search-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 100px;
            padding: 7px 16px;
            min-width: 180px;
            transition: var(--transition);
        }

        .search-wrapper:focus-within {
            border-color: rgba(108, 92, 231, .5);
            background: rgba(255, 255, 255, .12);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, .15);
        }

        .search-wrapper i {
            color: #7c869d;
            font-size: 14px;
        }

        .search-wrapper input {
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            width: 100%;
            font-size: 14px;
        }

        .search-wrapper input::placeholder {
            color: #6b7280;
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .3);
            color: #e2e8f0;
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            border-color: rgba(255, 255, 255, .5);
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 8px 22px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 6px 22px rgba(108, 92, 231, .35);
            transition: var(--transition);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .btn-primary-custom:hover {
            box-shadow: 0 10px 30px rgba(108, 92, 231, .5);
            transform: translateY(-2px);
            color: #fff;
        }

        .mobile-toggler {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 10px;
            color: #fff;
            width: 44px;
            height: 44px;
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            margin-left: auto;
        }

        .mobile-toggler:hover {
            background: rgba(255, 255, 255, .1);
        }

        /* ===== 页面 Banner ===== */
        .page-hero {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(135deg, #0f1626 0%, #141c30 55%, #1a1240 100%);
            background-image: linear-gradient(135deg, rgba(15, 22, 38, .92), rgba(20, 28, 48, .88)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 92, 231, .2);
            border: 1px solid rgba(108, 92, 231, .4);
            border-radius: 100px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 500;
            color: #c4b8ff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .page-hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .page-hero h1 span {
            background: linear-gradient(120deg, #a78bfa, #ff7f50);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, .75);
            max-width: 600px;
            line-height: 1.8;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 24px;
            font-size: 14px;
            color: rgba(255, 255, 255, .5);
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, .7);
            transition: var(--transition);
        }

        .breadcrumb-custom a:hover {
            color: #fff;
        }

        .breadcrumb-custom i {
            font-size: 10px;
            color: rgba(255, 255, 255, .35);
        }

        .breadcrumb-custom .current {
            color: #a78bfa;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            padding: 80px 0;
            background: var(--card-bg);
        }

        .stats-card {
            text-align: center;
            padding: 36px 20px;
            border-radius: var(--radius);
            background: linear-gradient(180deg, #f8f9ff, #fff);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .stats-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(108, 92, 231, .2);
        }

        .stats-card .number {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stats-card .label {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 6px;
        }

        .stats-card .icon-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            border-radius: 16px;
            font-size: 22px;
            color: var(--primary);
            background: rgba(108, 92, 231, .1);
            margin-bottom: 16px;
        }

        /* ===== 精选资讯 ===== */
        .section-block {
            padding: 90px 0;
        }

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

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

        .section-head .tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head .section-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
        }

        .section-head .more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }

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

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

        .news-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(108, 92, 231, .15);
        }

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

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

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

        .news-card .card-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 22, 38, 0) 55%, rgba(15, 22, 38, .45) 100%);
            pointer-events: none;
        }

        .news-card .badge-custom {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 100px;
            letter-spacing: .5px;
            box-shadow: 0 4px 12px rgba(108, 92, 231, .35);
        }

        .news-card .card-content {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .news-card .card-meta i {
            color: var(--primary);
            font-size: 12px;
            margin-right: 4px;
        }

        .news-card .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .card-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-card .card-footer-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 18px;
            transition: var(--transition);
        }

        .news-card .card-footer-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ===== 热门标签 ===== */
        .tag-section {
            background: linear-gradient(160deg, #0f1626 0%, #151a2e 100%);
            position: relative;
        }

        .tag-section .section-head h2,
        .tag-section .section-head .tagline {
            color: #fff;
        }

        .tag-section .section-desc {
            color: rgba(255, 255, 255, .6);
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 100px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
        }

        .topic-tag i {
            font-size: 14px;
            color: var(--primary-light);
            transition: var(--transition);
        }

        .topic-tag:hover {
            background: rgba(108, 92, 231, .18);
            border-color: rgba(108, 92, 231, .4);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .2);
        }

        .topic-tag:hover i {
            color: #fff;
        }

        .topic-tag .count {
            background: rgba(108, 92, 231, .25);
            border-radius: 100px;
            padding: 2px 10px;
            font-size: 12px;
            color: #c4b8ff;
            font-weight: 600;
        }

        /* ===== 时间线 ===== */
        .timeline-wrap {
            position: relative;
            padding-left: 32px;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--primary-light), rgba(108, 92, 231, .1));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 24px 28px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 30px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, .2);
        }

        .timeline-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(108, 92, 231, .18);
            transform: translateX(4px);
        }

        .timeline-item .date {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: .5px;
        }

        .timeline-item h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 6px 0 8px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
        }

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

        .faq-card {
            border-radius: var(--radius);
            border: 1px solid var(--border);
            background: var(--bg);
            padding: 24px 28px;
            transition: var(--transition);
            margin-bottom: 16px;
        }

        .faq-card:hover {
            border-color: rgba(108, 92, 231, .25);
            box-shadow: var(--shadow);
        }

        .faq-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .faq-card h4 .q-icon {
            color: var(--primary);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .faq-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.75;
            margin: 0;
            padding-left: 24px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 90px 0;
            background-image: linear-gradient(135deg, rgba(108, 92, 231, .95), rgba(81, 70, 184, .9)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section .cta-inner {
            text-align: center;
            color: #fff;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .btn-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 16px;
            padding: 14px 38px;
            border-radius: 100px;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(0, 0, 0, .2);
            border: none;
            cursor: pointer;
        }

        .btn-light-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(0, 0, 0, .3);
            color: var(--primary-dark);
        }

        .btn-ghost-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .5);
            color: #fff;
            font-weight: 500;
            font-size: 16px;
            padding: 12px 30px;
            border-radius: 100px;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-ghost-custom:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--darker);
            color: #cbd5e1;
            padding: 70px 0 28px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

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

        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h5::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

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

        .footer-links li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-links a {
            color: #94a3b8;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-links i {
            color: var(--primary-light);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 50px;
            padding-top: 24px;
            font-size: 13px;
            color: #6b7280;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 36px;
            }

            .search-wrapper {
                min-width: 140px;
            }

            .navbar-cta {
                gap: 8px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 70px;
                padding: 8px 0;
            }

            .navbar-collapse-custom {
                background: rgba(15, 22, 38, .97);
                border-radius: 16px;
                padding: 16px;
                margin-top: 8px;
                box-shadow: 0 20px 50px rgba(0, 0, 0, .4);
            }

            .nav-link-custom {
                display: block;
                padding: 12px 16px;
                border-radius: 12px;
            }

            .navbar-cta {
                flex-direction: column;
                align-items: stretch;
                margin-left: 0;
                margin-top: 12px;
            }

            .search-wrapper {
                width: 100%;
            }

            .btn-outline-custom,
            .btn-primary-custom {
                justify-content: center;
            }

            .page-hero {
                padding: 70px 0 60px;
            }

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

            .section-block {
                padding: 60px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .stats-card .number {
                font-size: 32px;
            }

            .timeline-wrap {
                padding-left: 24px;
            }

            .timeline-item {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .navbar-brand-custom {
                font-size: 17px;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

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

            .section-head h2 {
                font-size: 22px;
            }

            .news-card .card-title {
                font-size: 16px;
            }

            .topic-tag {
                padding: 10px 18px;
                font-size: 14px;
            }

            .cta-section h2 {
                font-size: 28px;
            }

            .btn-light-custom,
            .btn-ghost-custom {
                width: 100%;
                justify-content: center;
                margin-bottom: 10px;
            }

            .timeline-item::before {
                left: -24px;
                width: 12px;
                height: 12px;
            }

            .faq-card {
                padding: 20px;
            }

            .faq-card h4 {
                font-size: 15px;
            }
        }

        @media (min-width: 992px) {
            .navbar-collapse-custom {
                display: flex;
                flex-wrap: nowrap;
                align-items: center;
            }
        }

/* roulang page: category2 */
:root{
  --brand-primary:#10233f;
  --brand-secondary:#1b3a5d;
  --brand-accent:#c8a45a;
  --brand-accent-strong:#a8863c;
  --bg-page:#f5f4f0;
  --bg-surface:#ffffff;
  --bg-soft:#efeee9;
  --text-dark:#1d2739;
  --text-body:#3b4658;
  --text-muted:#77839b;
  --border-soft:#e7e5df;
  --radius-lg:18px;
  --radius-md:12px;
  --shadow-sm:0 4px 16px rgba(16,35,63,.06);
  --shadow-md:0 10px 30px rgba(16,35,63,.10);
  --shadow-lg:0 24px 56px rgba(16,35,63,.16);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --font-base:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.75;
  color:var(--text-body);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
button,input{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--brand-accent);
  outline-offset:2px;
 border-radius:4px;
}
.container{max-width:1180px}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:1080;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border-soft);
  box-shadow:0 2px 16px rgba(16,35,63,.05);
}
.navbar{padding:12px 0}
.navbar-brand-custom{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--text-dark);
  white-space:nowrap;
}
.navbar-brand-custom:hover{color:var(--text-dark)}
.logo-icon{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 4px 12px rgba(16,35,63,.2);
}
.nav-link-custom{
  color:var(--text-muted);font-weight:500;font-size:15px;
  padding:8px 16px!important;border-radius:10px;transition:var(--transition);
  margin:0 2px;
}
.nav-link-custom:hover,.nav-link-custom.active{
  color:var(--brand-primary);
  background:rgba(16,35,63,.06);
}
.navbar-cta{display:flex;align-items:center;gap:12px}
.search-wrapper{
  display:flex;align-items:center;gap:8px;
  background:var(--bg-soft);border:1px solid var(--border-soft);
  border-radius:30px;padding:7px 16px;width:200px;
  transition:var(--transition);
}
.search-wrapper:focus-within{
  border-color:var(--brand-accent);
  background:#fff;
  box-shadow:0 0 0 4px rgba(200,164,90,.14);
}
.search-wrapper i{color:var(--text-muted);font-size:14px}
.search-wrapper input{border:none;outline:none;background:transparent;width:100%;font-size:14px;color:var(--text-body)}
.btn-outline-custom{
  border:1px solid var(--brand-primary);background:transparent;color:var(--brand-primary);
  padding:8px 18px;border-radius:10px;font-size:14px;font-weight:600;
  transition:var(--transition);white-space:nowrap;cursor:pointer;
}
.btn-outline-custom:hover{
  background:var(--brand-primary);color:#fff;border-color:var(--brand-primary);
}
.btn-primary-custom{
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  color:#fff;padding:9px 20px;border-radius:10px;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;border:none;
  box-shadow:0 6px 16px rgba(16,35,63,.22);
  transition:var(--transition);white-space:nowrap;cursor:pointer;
}
.btn-primary-custom:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,35,63,.3);color:#fff}
.mobile-toggler{border:none;background:transparent;font-size:22px;color:var(--brand-primary);line-height:1;cursor:pointer}

/* ===== Page Banner ===== */
.page-banner{
  position:relative;padding:96px 0;
  background-size:cover;background-position:center;color:#fff;
}
.banner-overlay{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(16,35,63,.94) 0%,rgba(16,35,63,.82) 46%,rgba(16,35,63,.52) 100%);
}
.page-banner .container{position:relative;z-index:2}
.banner-content{max-width:700px}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(200,164,90,.16);border:1px solid rgba(200,164,90,.4);
  color:#f0d9a3;font-size:13px;font-weight:600;letter-spacing:2px;
  padding:6px 16px;border-radius:30px;margin-bottom:18px;
}
.banner-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.banner-tags a{
  font-size:13px;font-weight:500;color:rgba(255,255,255,.72);
  padding:5px 16px;border-radius:30px;border:1px solid rgba(255,255,255,.24);
  transition:var(--transition);
}
.banner-tags a:hover,.banner-tags a.active{
  background:rgba(200,164,90,.26);
  border-color:var(--brand-accent);
  color:#fff;
}
.banner-content h1{font-size:42px;font-weight:800;line-height:1.24;margin:0 0 16px;color:#fff}
.banner-content p{font-size:17px;color:rgba(255,255,255,.84);max-width:540px;margin-bottom:26px}
.banner-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-scroll{
  display:inline-flex;align-items:center;gap:8px;color:#fff;
  border:1px solid rgba(255,255,255,.36);border-radius:12px;
  padding:11px 24px;font-size:15px;font-weight:600;transition:var(--transition);
}
.btn-scroll:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}

/* ===== Stats ===== */
.stats-section{padding:58px 0}
.stat-card{
  background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-md);
  padding:26px 18px;text-align:center;transition:var(--transition);box-shadow:var(--shadow-sm);
  height:100%;
}
.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}
.stat-icon{
  width:52px;height:52px;border-radius:14px;margin:0 auto 14px;
  background:linear-gradient(135deg,rgba(200,164,90,.18),rgba(200,164,90,.05));
  color:var(--brand-accent);font-size:20px;display:flex;align-items:center;justify-content:center;
}
.stat-num{font-size:32px;font-weight:800;color:var(--brand-primary);line-height:1.2}
.stat-card p{margin:8px 0 0;color:var(--text-muted);font-size:14px}

/* ===== Section Head ===== */
.section-head{text-align:center;max-width:660px;margin:0 auto 48px}
.section-subtitle{
  display:inline-block;color:var(--brand-accent);font-size:13px;font-weight:700;
  letter-spacing:2.5px;margin-bottom:10px;
}
.section-head h2{font-size:32px;font-weight:800;color:var(--text-dark);margin:0 0 12px;line-height:1.3}
.section-head p{color:var(--text-muted);font-size:16px;margin-bottom:0}

/* ===== Core Features ===== */
.core-features{
  padding:82px 0;
  background:var(--bg-surface);
  border-top:1px solid var(--border-soft);
  border-bottom:1px solid var(--border-soft);
}
.feature-card{
  background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-lg);
  padding:32px 26px;height:100%;position:relative;overflow:hidden;transition:var(--transition);
  box-shadow:var(--shadow-sm);
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand-accent),transparent);
  opacity:0;transition:var(--transition);
}
.feature-card:hover{
  box-shadow:var(--shadow-lg);transform:translateY(-8px);
  border-color:rgba(200,164,90,.35);
}
.feature-card:hover::before{opacity:1}
.feature-icon{
  width:58px;height:58px;border-radius:14px;margin-bottom:20px;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  color:#fff;font-size:22px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(16,35,63,.22);
}
.feature-card h3{font-size:17px;font-weight:700;color:var(--text-dark);margin-bottom:10px}
.feature-card p{font-size:14px;line-height:1.75;color:var(--text-muted);margin-bottom:18px}
.feature-more{font-size:13px;font-weight:600;color:var(--brand-accent);display:inline-flex;align-items:center;gap:5px;transition:var(--transition)}
.feature-card:hover .feature-more{letter-spacing:.4px}

/* ===== Detail ===== */
.detail-section{padding:86px 0;background:var(--bg-soft)}
.detail-row{padding:20px 0}
.detail-img{
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  width:100%;object-fit:cover;aspect-ratio:4/3;
}
.detail-content{padding:16px 8px}
.detail-content h2{font-size:28px;font-weight:800;color:var(--text-dark);margin:0 0 16px;line-height:1.35}
.detail-content p{font-size:15px;line-height:1.8;color:var(--text-body);margin-bottom:20px}
.detail-list{list-style:none;padding:0;margin:0 0 16px}
.detail-list li{padding:7px 0;font-size:15px;color:var(--text-body)}
.detail-list i{color:var(--brand-accent);margin-right:10px;font-size:16px}
.detail-content .btn-primary-custom,
.detail-content .btn-outline-custom{padding:12px 28px;font-size:15px;border-radius:12px;display:inline-flex;align-items:center;gap:8px}

/* ===== Security ===== */
.security-section{
  padding:86px 0;
  background:linear-gradient(145deg,#0e1f38,#0a1628);
  color:#fff;position:relative;overflow:hidden;
}
.security-section::before{
  content:"";position:absolute;top:-100px;right:-80px;width:340px;height:340px;
  border-radius:50%;background:rgba(200,164,90,.08);
}
.security-section::after{
  content:"";position:absolute;bottom:-60px;left:-60px;width:260px;height:260px;
  border-radius:50%;background:rgba(200,164,90,.04);
}
.security-section .section-head h2{color:#fff}
.security-section .section-head p{color:rgba(255,255,255,.68)}
.security-section .section-subtitle{color:#e6c891}
.security-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);
  padding:30px 26px;height:100%;transition:var(--transition);
  position:relative;z-index:2;
}
.security-card:hover{
  background:rgba(255,255,255,.1);
  transform:translateY(-6px);
  border-color:rgba(200,164,90,.4);
}
.security-card i{font-size:30px;color:var(--brand-accent);margin-bottom:16px}
.security-card h3{font-size:17px;font-weight:700;color:#fff;margin:0 0 10px}
.security-card p{font-size:14px;color:rgba(255,255,255,.72);margin:0;line-height:1.75}

/* ===== FAQ ===== */
.faq-section{padding:86px 0;background:var(--bg-surface)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border-soft);border-radius:16px;
  margin-bottom:14px;overflow:hidden;transition:var(--transition);
}
.faq-item:hover{box-shadow:var(--shadow-md)}
.faq-question{
  width:100%;background:transparent;border:none;padding:20px 24px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-size:16px;font-weight:600;color:var(--text-dark);text-align:left;
  cursor:pointer;transition:var(--transition);
}
.faq-question i{color:var(--brand-accent);transition:transform .35s;font-size:14px}
.faq-question[aria-expanded="true"] i{transform:rotate(180deg)}
.faq-answer{padding:0 24px 22px;color:var(--text-muted);font-size:15px;line-height:1.85}
.faq-answer p{margin:0}

/* ===== CTA ===== */
.cta-section{
  padding:92px 0;background-size:cover;background-position:center;
  position:relative;color:#fff;
}
.cta-overlay{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(16,35,63,.96),rgba(16,35,63,.72));
}
.cta-section .container{position:relative;z-index:2}
.cta-inner{text-align:center;max-width:700px;margin:0 auto}
.cta-inner h2{font-size:32px;font-weight:800;color:#fff;margin:0 0 14px;line-height:1.3}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16px;margin:0 0 30px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-cta-primary{
  background:var(--brand-accent);color:var(--brand-primary);
  padding:14px 34px;border-radius:12px;
  font-size:16px;font-weight:700;display:inline-flex;align-items:center;gap:8px;
  transition:var(--transition);box-shadow:0 8px 22px rgba(200,164,90,.35);
}
.btn-cta-primary:hover{background:var(--brand-accent-strong);color:#fff;transform:translateY(-3px)}
.btn-cta-outline{
  border:1px solid rgba(255,255,255,.4);color:#fff;padding:14px 34px;border-radius:12px;
  font-size:16px;font-weight:600;display:inline-flex;align-items:center;gap:8px;
  transition:var(--transition);
}
.btn-cta-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

/* ===== Footer ===== */
.site-footer{
  background:var(--brand-primary);
  color:rgba(255,255,255,.7);
  padding:60px 0 24px;
}
.site-footer .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .footer-brand .name{font-size:18px;font-weight:800;color:#fff}
.site-footer h5{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;transition:var(--transition);text-decoration:none}
.footer-links a:hover{color:var(--brand-accent);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:22px;margin-top:40px;
  font-size:14px;color:rgba(255,255,255,.5);
}

/* ===== Responsive ===== */
@media (max-width: 991.98px){
  .navbar-collapse-custom{
    margin-top:10px;padding:18px;border-radius:16px;
    background:#fff;box-shadow:0 14px 34px rgba(16,35,63,.12);
    border:1px solid var(--border-soft);
  }
  .navbar-cta{
    margin-top:16px;flex-wrap:wrap;
  }
  .search-wrapper{flex:1;min-width:180px}
  .banner-content h1{font-size:34px}
  .section-head h2{font-size:26px}
  .detail-content h2{font-size:24px}
}
@media (max-width: 767.98px){
  .page-banner{padding:72px 0}
  .banner-content h1{font-size:28px}
  .banner-content p{font-size:15px}
  .stat-num{font-size:26px}
  .section-head{margin-bottom:36px}
  .section-head h2{font-size:23px}
  .core-features,.detail-section,.security-section,.faq-section,.cta-section{padding:60px 0}
  .detail-content{padding:0}
  .cta-inner h2{font-size:26px}
  .faq-question{font-size:15px}
  .navbar-cta .btn-primary-custom,.navbar-cta .btn-outline-custom{flex:1;justify-content:center}
  .search-wrapper{width:100%}
}
@media (max-width: 520px){
  .banner-content h1{font-size:24px}
  .banner-actions{width:100%}
  .btn-scroll{flex:1;justify-content:center}
  .navbar-brand-custom{font-size:15px}
  .logo-icon{width:34px;height:34px}
  .detail-row{padding:10px 0}
  .cta-buttons{flex-direction:column;align-items:stretch}
  .btn-cta-primary,.btn-cta-outline{justify-content:center}
}