/* roulang page: index */
:root {
  --primary: #E8702A;
  --primary-dark: #D05A1C;
  --primary-light: #F5A623;
  --secondary: #0E7C7B;
  --secondary-dark: #0A5F5E;
  --bg: #F5F2EE;
  --card-bg: #FFFFFF;
  --text-main: #1F1B16;
  --text-muted: #6B6359;
  --border: #D9D2C8;
  --border-light: #EDE8E1;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-img: 12px;
  --radius-search: 24px;
  --shadow-card: 0 2px 8px rgba(31,27,22,0.06);
  --shadow-hover: 0 8px 24px rgba(31,27,22,0.10);
  --transition-base: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--secondary); text-decoration: none; transition: var(--transition-base); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; }
button { border: none; cursor: pointer; }
input, textarea { outline: none; }

.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }

/* ===== Header ===== */
.site-header { background: #fff; border-bottom: 1px solid var(--border-light); position: relative; z-index: 1000; }
.header-main { padding: 14px 0; }
.brand-logo {
  display: inline-flex;
  align-items: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.3px;
  gap: 8px;
}
.brand-logo:hover { color: var(--primary); }
.brand-logo .brand-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 2px 6px rgba(232,112,42,0.3);
}
.search-wrap { position: relative; flex: 1; max-width: 620px; margin: 0 auto; }
.search-form { position: relative; }
.search-form .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: #9A9186;
  font-size: 15px;
  pointer-events: none;
  z-index: 2;
}
.search-form .form-control {
  height: 48px;
  padding: 0 52px;
  border-radius: var(--radius-search);
  border: 2px solid var(--border);
  background: #FAF8F5;
  font-size: 15px;
  transition: var(--transition-base);
}
.search-form .form-control:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(232,112,42,0.15);
}
.search-form .btn-search {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition-base);
}
.search-form .btn-search:hover { background: var(--primary-dark); }
.header-actions { display: flex; align-items: center; gap: 12px; justify-content: flex-end; }
.btn-primary-solid {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-btn);
  font-weight: 600;
  padding: 10px 24px;
  transition: var(--transition-base);
  border: 1px solid var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary-solid:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; box-shadow: inset 0 1px 3px rgba(0,0,0,0.15); }
.btn-outline {
  background: #fff;
  color: var(--text-main);
  border: 1px solid var(--primary);
  border-radius: var(--radius-btn);
  font-weight: 600;
  padding: 10px 22px;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(232,112,42,0.05); }

.header-nav { background: var(--text-main); border-top: 1px solid rgba(255,255,255,0.05); }
.header-nav .navbar { padding: 0; min-height: 48px; }
.header-nav .navbar-nav { flex-direction: row; }
.header-nav .nav-link {
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  padding: 12px 20px !important;
  transition: var(--transition-base);
  position: relative;
  font-weight: 500;
}
.header-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 6px;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  border-radius: 2px;
}
.header-nav .nav-link:hover { color: #fff; }
.header-nav .nav-link:hover::after, .header-nav .nav-link.active::after { transform: scaleX(1); }
.header-nav .nav-link.active { color: #fff; }
.header-nav .navbar-toggler { border-color: rgba(255,255,255,0.2); padding: 4px 8px; }
.header-nav .navbar-toggler-icon { filter: invert(1); }

@media (min-width: 992px) {
  .mobile-search-toggle { display: none !important; }
}
@media (max-width: 991.98px) {
  .header-main .search-wrap { order: 3; max-width: 100%; margin-top: 12px; flex: 0 0 100%; }
  .header-main .row > div { flex: 1; }
  .header-nav .navbar-collapse { position: absolute; top: 100%; left: 0; right: 0; background: var(--text-main); padding: 10px 20px; border-top: 1px solid rgba(255,255,255,0.1); }
  .header-nav .navbar-nav { flex-direction: column; }
  .header-nav .nav-link { padding: 10px 0 !important; border-bottom: 1px solid rgba(255,255,255,0.05); display: block; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  padding: 100px 0 80px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31,27,22,0.82) 0%, rgba(31,27,22,0.55) 55%, rgba(232,112,42,0.35) 100%);
}
.hero-content { position: relative; z-index: 2; text-align: center; color: #fff; max-width: 820px; margin: 0 auto; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 30px;
  padding: 6px 18px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
}
.hero-badge i { color: var(--primary-light); }
.hero h1 {
  font-size: 44px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.25;
  letter-spacing: 1px;
  color: #fff;
}
.hero h1 .highlight { color: var(--primary-light); position: relative; }
.hero h1 .highlight::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 6px;
  width: 100%;
  height: 10px;
  background: rgba(232,112,42,0.35);
  border-radius: 4px;
  z-index: -1;
}
.hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 32px;
}
.hero-search { max-width: 580px; margin: 0 auto 32px; }
.hero-search .search-form .form-control {
  height: 54px;
  border-radius: 30px;
  border: none;
  background: #fff;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  font-size: 16px;
}
.hero-search .search-form .form-control:focus { box-shadow: 0 8px 32px rgba(0,0,0,0.18), 0 0 0 4px rgba(232,112,42,0.2); }
.hero-search .search-form .btn-search { width: 42px; height: 42px; font-size: 15px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; margin-bottom: 28px; flex-wrap: wrap; }
.hero-buttons .btn-primary-solid { padding: 12px 32px; font-size: 16px; }
.hero-buttons .btn-outline { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.4); color: #fff; padding: 12px 28px; font-size: 16px; }
.hero-buttons .btn-outline:hover { background: rgba(255,255,255,0.2); border-color: #fff; color: #fff; }
.hero-trust {
  display: flex;
  gap: 28px;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust i { color: var(--primary-light); }
.hero-tags { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.hero-tags a {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  backdrop-filter: blur(4px);
  transition: var(--transition-base);
}
.hero-tags a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 70px 0 50px; }
  .hero h1 { font-size: 28px; }
  .hero-subtitle { font-size: 15px; }
  .hero-buttons .btn-primary-solid, .hero-buttons .btn-outline { width: 100%; justify-content: center; }
}

/* ===== Section Base ===== */
.section { padding: 80px 0; }
.section-alt { background: #fff; }
.section-heading { text-align: center; margin-bottom: 50px; }
.section-heading .section-subtitle {
  font-size: 14px;
  color: var(--secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.section-heading h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-heading h2::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -12px;
  width: 44px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
}
.section-heading p { color: var(--text-muted); max-width: 640px; margin: 16px auto 0; font-size: 15px; }
@media (max-width: 768px) { .section { padding: 48px 0; } .section-heading h2 { font-size: 24px; } }

/* ===== Value Props ===== */
.value-card {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 30px 24px;
  box-shadow: var(--shadow-card);
  height: 100%;
  transition: var(--transition-base);
  border: 1px solid var(--border-light);
  text-align: center;
}
.value-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: rgba(232,112,42,0.3); }
.value-card .value-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(14,124,123,0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--secondary);
  margin-bottom: 18px;
  transition: var(--transition-base);
}
.value-card:hover .value-icon { background: var(--secondary); color: #fff; transform: rotate(-6deg); }
.value-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.value-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 0; }

/* ===== Features ===== */
.feature-grid .feature-card {
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  height: 100%;
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  transition: var(--transition-base);
}
.feature-grid .feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.feature-card .feature-img {
  position: relative;
  display: block;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.feature-card .feature-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.feature-card:hover .feature-img img { transform: scale(1.06); }
.feature-card .feature-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.feature-card .feature-tag {
  display: inline-block;
  background: rgba(14,124,123,0.08);
  color: var(--secondary);
  border: 1px solid rgba(14,124,123,0.2);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px;
  align-self: flex-start;
}
.feature-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 14px; flex: 1; margin-bottom: 16px; line-height: 1.75; }
.feature-card .feature-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.feature-card .feature-link i { transition: transform 0.3s ease; }
.feature-card .feature-link:hover i { transform: translateX(4px); }
.feature-card-main .feature-body { padding: 36px 32px; }
.feature-card-main .feature-body h3 { font-size: 24px; }
.feature-card-main .feature-body p { font-size: 15px; }
.feature-card-main .feature-img { aspect-ratio: 21/9; }
@media (max-width: 991px) {
  .feature-card-main .feature-img { aspect-ratio: 16/9; }
  .feature-card-main .feature-body { padding: 24px; }
}

/* ===== Scenarios ===== */
.scenario-row { margin-bottom: 70px; }
.scenario-row:last-child { margin-bottom: 0; }
.scenario-img {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  position: relative;
}
.scenario-img img { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.scenario-img .scenario-num {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--primary);
  color: #fff;
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(232,112,42,0.3);
}
.scenario-content { padding: 20px 0; }
.scenario-content h3 { font-size: 22px; font-weight: 700; margin-bottom: 16px; position: relative; padding-left: 14px; }
.scenario-content h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--primary);
  border-radius: 4px;
}
.scenario-content ul { list-style: none; padding: 0; margin: 0; }
.scenario-content ul li {
  padding: 8px 0 8px 22px;
  position: relative;
  color: var(--text-main);
  font-size: 15px;
}
.scenario-content ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--secondary);
  position: absolute;
  left: 0;
  top: 9px;
}
@media (max-width: 768px) { .scenario-row { margin-bottom: 48px; } .scenario-content { padding-top: 20px; } }

/* ===== Cases ===== */
.cases-section { background: var(--text-main); position: relative; overflow: hidden; }
.cases-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: rgba(232,112,42,0.1);
  border-radius: 50%;
}
.case-data { text-align: center; }
.case-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1.2;
  margin-bottom: 8px;
  display: block;
}
.case-label { color: rgba(255,255,255,0.7); font-size: 15px; }
.case-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  height: 100%;
  transition: var(--transition-base);
}
.case-item:hover { background: rgba(255,255,255,0.08); transform: translateY(-3px); }
.case-item .case-num { font-size: 15px; font-weight: 600; color: var(--primary-light); margin-bottom: 6px; display: block; }
.case-item h3 { color: #fff; font-size: 17px; margin-bottom: 6px; font-weight: 600; }

/* ===== Pricing ===== */
.pricing-card {
  background: #fff;
  border-radius: var(--radius-card);
  border: 2px solid var(--border-light);
  padding: 32px 28px;
  height: 100%;
  position: relative;
  transition: var(--transition-base);
  box-shadow: var(--shadow-card);
}
.pricing-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.pricing-card .badge-recommend {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 18px;
  border-radius: 20px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(232,112,42,0.3);
}
.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, #FFFDFB 0%, #FFFFFF 100%);
}
.pricing-card .plan-name { font-size: 18px; font-weight: 600; color: var(--text-main); margin-bottom: 8px; }
.pricing-card .plan-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 8px; }
.pricing-card .plan-price .price { font-size: 36px; font-weight: 800; color: var(--primary); }
.pricing-card .plan-price .unit { color: var(--text-muted); font-size: 14px; }
.pricing-card .plan-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; }
.pricing-card ul { list-style: none; padding: 0; margin: 0 0 24px; }
.pricing-card ul li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-main);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.pricing-card ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--secondary);
  font-size: 13px;
  margin-top: 2px;
}
.pricing-card .btn-pricing { width: 100%; justify-content: center; }
@media (max-width: 768px) {
  .pricing-card.featured { order: -1; }
}

/* ===== News ===== */
.news-card {
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-light);
  padding: 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition-base);
  box-shadow: var(--shadow-card);
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.news-card .news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.news-card .news-tag {
  background: rgba(14,124,123,0.08);
  color: var(--secondary);
  border: 1px solid rgba(14,124,123,0.2);
  border-radius: 6px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 500;
}
.news-card .news-date { color: var(--text-muted); font-size: 13px; display: flex; align-items: center; gap: 4px; }
.news-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; line-height: 1.5; }
.news-card h3 a { color: var(--text-main); }
.news-card h3 a:hover { color: var(--primary); }
.news-card p { color: var(--text-muted); font-size: 14px; flex: 1; margin-bottom: 12px; }
.news-card .news-link { color: var(--primary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.news-empty {
  background: #fff;
  border: 2px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 60px 30px;
  text-align: center;
  color: var(--text-muted);
}

/* ===== FAQ ===== */
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #FAF8F5;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  transition: var(--transition-base);
  overflow: hidden;
}
.faq-item.active { background: #fff; border-color: var(--primary); box-shadow: 0 4px 16px rgba(232,112,42,0.1); }
.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-question .faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 24px 20px; color: var(--text-muted); font-size: 15px; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -80px; right: 10%;
  width: 240px; height: 240px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -100px; left: 5%;
  width: 180px; height: 180px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}
.cta-inner { text-align: center; position: relative; z-index: 2; }
.cta-inner h2 { color: #fff; font-size: 32px; font-weight: 800; margin-bottom: 14px; }
.cta-inner p { color: rgba(255,255,255,0.9); font-size: 16px; max-width: 560px; margin: 0 auto 28px; }
.cta-inner .btn-white {
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  padding: 12px 36px;
  border-radius: var(--radius-btn);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-base);
  font-size: 16px;
}
.cta-inner .btn-white:hover { background: var(--text-main); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }
@media (max-width: 768px) { .cta-section { padding: 50px 0; } .cta-inner h2 { font-size: 24px; } }

/* ===== Footer ===== */
.site-footer { background: #1F1B16; color: rgba(255,255,255,0.6); padding: 60px 0 0; }
.site-footer .footer-brand { color: #fff; font-size: 22px; font-weight: 800; display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; font-family: inherit; }
.site-footer .footer-brand .brand-icon { background: var(--primary); width: 30px; height: 30px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 14px; }
.site-footer .footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.5); }
.site-footer h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.site-footer .footer-links { list-style: none; padding: 0; margin: 0; }
.site-footer .footer-links li { margin-bottom: 10px; }
.site-footer .footer-links a { color: rgba(255,255,255,0.5); font-size: 14px; transition: var(--transition-base); }
.site-footer .footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-contact { list-style: none; padding: 0; margin: 0; font-size: 14px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: rgba(255,255,255,0.5); }
.footer-contact i { width: 18px; color: var(--primary); text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 44px; padding: 18px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--primary); }
@media (max-width: 768px) {
  .site-footer { padding-top: 40px; }
  .site-footer .footer-col { margin-bottom: 32px; }
}

/* ===== Back to Top ===== */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 6px 20px rgba(232,112,42,0.3);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 999;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ===== Misc Utility ===== */
.rounded-card { border-radius: var(--radius-card); }
.shadow-card { box-shadow: var(--shadow-card); }
.text-primary-brand { color: var(--primary) !important; }
.text-secondary-brand { color: var(--secondary) !important; }

/* roulang page: category1 */
:root {
      --primary: #E8702A;
      --primary-dark: #C75E1E;
      --primary-soft: #FCE9DC;
      --accent: #0E7C7B;
      --accent-light: #E1F0EF;
      --bg-warm: #F5F2EE;
      --card-white: #FFFFFF;
      --text-dark: #1F1B16;
      --text-regular: #3E3830;
      --text-muted: #6B6359;
      --border-light: #E5DED5;
      --border-input: #D9D2C8;
      --radius-btn: 10px;
      --radius-card: 16px;
      --radius-pill: 24px;
      --shadow-card: 0 2px 8px rgba(31,27,22,0.06);
      --shadow-hover: 0 8px 24px rgba(31,27,22,0.10);
      --transition-base: all .25s ease;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
      background: var(--bg-warm);
      color: var(--text-dark);
      line-height: 1.75;
      font-size: 15px;
    }
    a { text-decoration: none; color: inherit; transition: var(--transition-base); }
    img { max-width: 100%; height: auto; }
    .container { max-width: 1200px; }
    .section { padding: 90px 0; }
    .section-title { font-size: 30px; font-weight: 700; color: var(--text-dark); margin-bottom: 14px; position: relative; padding-left: 18px; }
    .section-title::before {
      content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 5px;
      background: var(--primary); border-radius: 4px;
    }
    .section-subtitle { color: var(--text-muted); font-size: 16px; margin-bottom: 40px; max-width: 680px; }

    /* Header */
    .site-header { background: var(--text-dark); position: sticky; top: 0; z-index: 1050; box-shadow: 0 4px 20px rgba(31,27,22,0.25); }
    .header-top { display: flex; align-items: center; gap: 24px; padding: 14px 0; }
    .logo-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 20px; font-weight: 800; letter-spacing: 0.5px; white-space: nowrap; }
    .logo-brand:hover { color: #fff; }
    .logo-brand .brand-icon { width: 38px; height: 38px; background: var(--primary); border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; font-size: 16px; color: #fff; }
    .header-search { flex: 1; max-width: 640px; margin: 0 auto; }
    .header-search .search-form { display: flex; align-items: center; background: #fff; border-radius: var(--radius-pill); overflow: hidden; border: 2px solid transparent; transition: var(--transition-base); }
    .header-search .search-form:hover { border-color: var(--primary); }
    .header-search .search-form:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(232,112,42,0.18); }
    .header-search .search-icon { padding: 0 6px 0 18px; color: var(--text-muted); font-size: 14px; }
    .header-search .search-input { flex: 1; border: none; outline: none; padding: 12px 4px; font-size: 15px; background: transparent; color: var(--text-dark); }
    .header-search .search-btn { width: 44px; height: 44px; background: var(--primary); border: none; color: #fff; border-radius: 50%; margin-right: 5px; display: flex; align-items: center; justify-content: center; transition: var(--transition-base); }
    .header-search .search-btn:hover { background: var(--primary-dark); }
    .header-cta { white-space: nowrap; }
    .header-cta .btn-enter { background: var(--primary); color: #fff; border: none; padding: 10px 24px; border-radius: var(--radius-btn); font-weight: 600; font-size: 15px; transition: var(--transition-base); display: inline-flex; align-items: center; gap: 8px; }
    .header-cta .btn-enter:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(232,112,42,0.35); }
    .navbar { background: rgba(255,255,255,0.04); border-top: 1px solid rgba(255,255,255,0.08); padding: 0; }
    .navbar .navbar-nav { flex-direction: row; }
    .navbar .nav-link { color: rgba(255,255,255,0.75); font-size: 15px; font-weight: 500; padding: 14px 22px; border-bottom: 3px solid transparent; transition: var(--transition-base); }
    .navbar .nav-link:hover { color: #fff; }
    .navbar .nav-link.active { color: #fff; border-bottom-color: var(--primary); background: rgba(232,112,42,0.08); }
    .navbar-toggler { border-color: rgba(255,255,255,0.3); }
    .navbar-toggler:focus { box-shadow: none; }
    .navbar-toggler-icon { filter: invert(1); }

    /* Category Hero */
    .category-hero { background: linear-gradient(105deg, rgba(31,27,22,0.88) 0%, rgba(31,27,22,0.65) 60%), url('/assets/images/backpic/back-2.png') center/cover no-repeat; padding: 90px 0 70px; color: #fff; }
    .category-hero .breadcrumb { background: transparent; margin-bottom: 18px; font-size: 14px; }
    .category-hero .breadcrumb a { color: rgba(255,255,255,0.7); }
    .category-hero .breadcrumb a:hover { color: var(--primary); }
    .category-hero .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,0.4); }
    .category-hero .breadcrumb .active { color: #fff; }
    .category-hero .hero-title { font-size: 40px; font-weight: 800; margin-bottom: 14px; }
    .category-hero .hero-title span { color: var(--primary); }
    .category-hero .hero-desc { font-size: 17px; line-height: 1.85; max-width: 760px; color: rgba(255,255,255,0.88); margin-bottom: 0; }

    /* Entry Methods */
    .entry-method { background: var(--card-white); border-radius: var(--radius-card); box-shadow: var(--shadow-card); border: 1px solid var(--border-light); transition: var(--transition-base); height: 100%; overflow: hidden; }
    .entry-method:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
    .entry-method .method-img { overflow: hidden; height: 200px; }
    .entry-method .method-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
    .entry-method:hover .method-img img { transform: scale(1.06); }
    .entry-method .method-body { padding: 26px 28px; }
    .method-badge { display: inline-block; background: var(--accent-light); color: var(--accent); font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 20px; margin-bottom: 14px; letter-spacing: 0.3px; }
    .entry-method h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); }
    .entry-method p { color: var(--text-regular); font-size: 14.5px; line-height: 1.75; margin-bottom: 16px; }
    .method-list { list-style: none; padding: 0; margin: 0 0 18px; }
    .method-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-regular); padding: 4px 0; }
    .method-list li i { color: var(--accent); font-size: 13px; }
    .method-link { color: var(--primary); font-weight: 600; font-size: 14.5px; display: inline-flex; align-items: center; gap: 6px; }
    .method-link:hover { color: var(--primary-dark); gap: 10px; }

    /* Compare Table */
    .compare-section { background: var(--card-white); }
    .compare-table-wrap { overflow-x: auto; border-radius: var(--radius-card); border: 1px solid var(--border-light); box-shadow: var(--shadow-card); }
    .compare-table { width: 100%; min-width: 720px; margin-bottom: 0; }
    .compare-table thead th { background: var(--text-dark); color: #fff; font-weight: 600; font-size: 15px; padding: 18px 20px; border: none; white-space: nowrap; }
    .compare-table thead th:first-child { border-radius: 16px 0 0 0; }
    .compare-table thead th:last-child { border-radius: 0 16px 0 0; }
    .compare-table tbody td { padding: 18px 20px; font-size: 14.5px; border-color: var(--border-light); color: var(--text-regular); vertical-align: middle; }
    .compare-table tbody tr:last-child td:first-child { border-radius: 0 0 0 16px; }
    .compare-table tbody tr:last-child td:last-child { border-radius: 0 0 16px 0; }
    .compare-table tbody tr:nth-child(even) { background: #FAF8F5; }
    .compare-table .table-status { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; }
    .compare-table .table-status i { color: var(--accent); }
    .compare-table .table-status.ok { color: var(--accent); }
    .compare-table .table-status.info { color: var(--primary); }

    /* Steps */
    .steps-section { background: var(--bg-warm); }
    .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
    .step-item { text-align: center; padding: 32px 24px; background: var(--card-white); border-radius: var(--radius-card); box-shadow: var(--shadow-card); border: 1px solid var(--border-light); transition: var(--transition-base); position: relative; }
    .step-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
    .step-number { width: 52px; height: 52px; background: var(--primary); color: #fff; font-size: 20px; font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; box-shadow: 0 6px 16px rgba(232,112,42,0.3); }
    .step-item h4 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
    .step-item p { font-size: 14px; color: var(--text-muted); margin-bottom: 0; }
    .step-arrow { position: absolute; right: -22px; top: 50%; transform: translateY(-50%); color: var(--border-input); font-size: 16px; z-index: 2; }
    @media (max-width: 991px) {
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .step-arrow { display: none; }
    }
    @media (max-width: 576px) {
      .steps-grid { grid-template-columns: 1fr; }
    }

    /* Sub Cards */
    .sub-cards .card { border: none; border-radius: var(--radius-card); box-shadow: var(--shadow-card); overflow: hidden; transition: var(--transition-base); height: 100%; background: var(--card-white); }
    .sub-cards .card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
    .sub-cards .card-img-wrap { height: 168px; overflow: hidden; }
    .sub-cards .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
    .sub-cards .card:hover .card-img-wrap img { transform: scale(1.06); }
    .sub-cards .card-body { padding: 24px; }
    .sub-cards .card-title { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
    .sub-cards .card-text { font-size: 14px; color: var(--text-regular); margin-bottom: 14px; line-height: 1.7; }
    .sub-cards .card-tag { display: inline-block; font-size: 12.5px; color: var(--accent); background: var(--accent-light); padding: 3px 12px; border-radius: 20px; margin-bottom: 12px; font-weight: 600; }

    /* FAQ */
    .faq-section { background: var(--card-white); }
    .faq-item { border: 1px solid var(--border-light); border-radius: 14px; background: #FAF8F5; margin-bottom: 14px; overflow: hidden; transition: var(--transition-base); }
    .faq-item.active { background: #fff; border-color: var(--primary); box-shadow: var(--shadow-card); }
    .faq-question { display: flex; align-items: center; justify-content: space-between; padding: 20px 26px; cursor: pointer; font-weight: 600; font-size: 16px; color: var(--text-dark); background: transparent; border: none; width: 100%; text-align: left; }
    .faq-question:focus { outline: 2px solid rgba(232,112,42,0.3); }
    .faq-icon { width: 30px; height: 30px; min-width: 30px; background: var(--primary-soft); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 13px; transition: transform .3s ease; }
    .faq-item.active .faq-icon { transform: rotate(180deg); background: var(--primary); color: #fff; }
    .faq-answer { display: none; padding: 0 26px 22px; font-size: 14.5px; color: var(--text-regular); line-height: 1.85; }

    /* CTA */
    .cta-section { background: linear-gradient(120deg, var(--primary) 0%, #C75E1E 100%); padding: 70px 0; color: #fff; position: relative; overflow: hidden; }
    .cta-section::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat; opacity: 0.12; }
    .cta-content { position: relative; z-index: 2; text-align: center; }
    .cta-content h2 { font-size: 34px; font-weight: 800; margin-bottom: 14px; }
    .cta-content p { font-size: 17px; opacity: 0.92; margin-bottom: 30px; max-width: 620px; margin-left: auto; margin-right: auto; }
    .btn-cta-white { background: #fff; color: var(--primary); border: none; padding: 14px 38px; border-radius: var(--radius-btn); font-weight: 700; font-size: 16px; transition: var(--transition-base); display: inline-flex; align-items: center; gap: 10px; }
    .btn-cta-white:hover { background: var(--text-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(31,27,22,0.25); }

    /* Footer */
    .site-footer { background: var(--text-dark); color: #E8E4DF; padding-top: 60px; }
    .site-footer .footer-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 16px; }
    .site-footer .footer-brand:hover { color: #fff; }
    .footer-desc { font-size: 14px; line-height: 1.75; color: rgba(255,255,255,0.6); margin-bottom: 0; }
    .footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; position: relative; padding-bottom: 8px; }
    .footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 24px; height: 3px; background: var(--primary); border-radius: 2px; }
    .footer-links { list-style: none; padding: 0; margin: 0; }
    .footer-links li { margin-bottom: 8px; }
    .footer-links a { color: rgba(255,255,255,0.6); font-size: 14px; transition: var(--transition-base); }
    .footer-links a:hover { color: var(--primary); padding-left: 4px; }
    .footer-contact { list-style: none; padding: 0; margin: 0; }
    .footer-contact li { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.6); font-size: 14px; margin-bottom: 10px; }
    .footer-contact li i { color: var(--primary); font-size: 13px; width: 18px; text-align: center; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 50px; padding: 20px 0; }
    .footer-bottom p { color: rgba(255,255,255,0.45); font-size: 13.5px; text-align: center; }

    /* Responsive */
    @media (max-width: 991px) {
      .header-top { flex-wrap: wrap; }
      .logo-brand { width: auto; }
      .header-search { order: 3; flex-basis: 100%; max-width: none; margin-top: 10px; }
      .navbar .navbar-nav { flex-direction: column; }
      .navbar .nav-link { border-bottom: none; border-left: 3px solid transparent; padding: 12px 20px; }
      .navbar .nav-link.active { border-left-color: var(--primary); background: rgba(232,112,42,0.08); border-bottom: none; }
      .section { padding: 64px 0; }
      .category-hero { padding: 60px 0 50px; }
      .category-hero .hero-title { font-size: 32px; }
    }
    @media (max-width: 767px) {
      .category-hero .hero-title { font-size: 27px; }
      .section-title { font-size: 25px; }
      .btn-cta-white { width: 100%; justify-content: center; }
      .cta-content h2 { font-size: 27px; }
    }
    @media (max-width: 575px) {
      body { font-size: 14px; }
      .header-cta .btn-enter { padding: 9px 16px; font-size: 13.5px; }
      .category-hero .hero-desc { font-size: 15px; }
      .entry-method .method-body { padding: 20px; }
    }

/* roulang page: article */
:root {
    --primary: #E8702A;
    --primary-dark: #C95A1E;
    --primary-soft: #FDE8DA;
    --secondary: #0E7C7B;
    --secondary-dark: #0A5E5D;
    --secondary-soft: #DDF0EF;
    --bg: #F5F2EE;
    --white: #FFFFFF;
    --text-dark: #1F1B16;
    --text-body: #3D3730;
    --text-muted: #6B6359;
    --border: #D9D2C8;
    --border-light: #EDE7DF;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-pill: 24px;
    --shadow-sm: 0 2px 8px rgba(31,27,22,0.06);
    --shadow-md: 0 8px 24px rgba(31,27,22,0.10);
    --section-padding: 80px;
}
*, *::before, *::after { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text-body);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--secondary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary); }
button, input { font-family: inherit; }
.container { max-width: 1200px; }
.section-padding { padding: var(--section-padding) 0; }
.section-head {
    margin-bottom: 40px;
    max-width: 720px;
}
.section-head .section-tag {
    display: inline-block;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
}
.section-head h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--text-dark);
    margin: 0 0 12px;
    position: relative;
}
.section-head p { color: var(--text-muted); font-size: 15px; margin: 0; }

/* ===== Header ===== */
.site-header {
    background: var(--white);
    box-shadow: 0 2px 12px rgba(31,27,22,0.04);
    position: sticky;
    top: 0;
    z-index: 1030;
    border-bottom: 1px solid var(--border-light);
}
.header-top-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 24px;
    padding: 14px 0;
}
.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--text-dark);
    white-space: nowrap;
}
.site-logo:hover { color: var(--text-dark); }
.brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), #F5A93C);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(232,112,42,0.30);
}
.header-search { position: relative; max-width: 620px; width: 100%; }
.header-search .search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 15px;
    pointer-events: none;
}
.header-search input {
    width: 100%;
    height: 48px;
    border-radius: var(--radius-pill);
    border: 2px solid var(--border);
    padding: 0 46px 0 46px;
    font-size: 15px;
    background: #FBF8F4;
    color: var(--text-dark);
    outline: none;
    transition: border-color .25s, box-shadow .25s, background .25s;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search input:hover { border-color: var(--primary); }
.header-search input:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(232,112,42,0.16);
}
.btn-enter {
    background: var(--primary);
    border: 0;
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    padding: 10px 24px;
    font-size: 15px;
    transition: background .25s, box-shadow .25s, transform .15s;
    white-space: nowrap;
}
.btn-enter:hover {
    background: var(--primary-dark);
    color: #fff;
    box-shadow: 0 4px 14px rgba(232,112,42,0.32);
    transform: translateY(-1px);
}
.btn-enter:active { transform: translateY(1px); }
.navbar {
    background: #1F1B16;
    padding: 0;
    border-top: 1px solid rgba(255,255,255,0.04);
}
.navbar .navbar-nav { gap: 4px; }
.navbar .nav-link {
    color: rgba(255,255,255,0.72);
    font-size: 15px;
    font-weight: 500;
    padding: 11px 20px;
    border-radius: 8px;
    transition: color .2s, background .2s;
}
.navbar .nav-link:hover { color: #fff; background: rgba(255,255,255,0.06); }
.navbar .nav-link.active { color: #fff; background: var(--primary); }
.navbar-toggler { border-color: rgba(255,255,255,0.35); }
.navbar-toggler:focus { box-shadow: 0 0 0 0.25rem rgba(232,112,42,0.35); }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media (max-width: 991.98px) {
    .header-top-inner { grid-template-columns: 1fr auto; gap: 12px; }
    .header-search { grid-column: 1 / -1; grid-row: 2; order: 3; }
    .navbar { padding: 8px 0; }
    .navbar .navbar-nav { padding: 8px 0; }
    .navbar .nav-link { padding: 10px 16px; border-radius: 8px; }
    .navbar .nav-link.active { background: rgba(232,112,42,0.18); color: #fff; }
}

/* ===== Breadcrumb ===== */
.breadcrumb-section {
    padding: 28px 0 8px;
    background: var(--bg);
}
.breadcrumb { margin: 0; font-size: 14px; }
.breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted); }
.breadcrumb-item a { color: var(--secondary); }
.breadcrumb-item a:hover { color: var(--primary); }
.breadcrumb-item.active { color: var(--text-muted); }

/* ===== Article ===== */
.article-main { padding: 24px 0 20px; background: var(--bg); }
.article-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 44px 52px;
    max-width: 880px;
    margin: 0 auto;
}
.article-head { text-align: center; max-width: 760px; margin: 0 auto; }
.article-category {
    display: inline-block;
    background: var(--secondary-soft);
    color: var(--secondary-dark);
    border: 1px solid rgba(14,124,123,0.25);
    border-radius: 20px;
    padding: 4px 16px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}
.article-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.3;
    margin: 0 0 16px;
    letter-spacing: -0.01em;
}
.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 22px;
    font-size: 14px;
    color: var(--text-muted);
}
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta i { color: var(--primary); font-size: 13px; }
.article-cover {
    margin: 32px 0 0;
    border-radius: 14px;
    overflow: hidden;
    max-height: 400px;
}
.article-cover img { width: 100%; height: 360px; object-fit: cover; }
.article-body {
    max-width: 760px;
    margin: 36px auto 0;
    color: var(--text-body);
    font-size: 16px;
    line-height: 1.85;
}
.article-body p { margin: 0 0 1.5em; }
.article-body h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 2em 0 1em;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
}
.article-body h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 1.8em 0 0.8em;
}
.article-body h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 1.6em 0 0.6em;
}
.article-body ul, .article-body ol { margin: 0 0 1.5em; padding-left: 24px; }
.article-body li { margin-bottom: 6px; }
.article-body blockquote {
    background: #FAF5EF;
    border-left: 4px solid var(--primary);
    padding: 18px 22px;
    border-radius: 0 12px 12px 0;
    margin: 0 0 1.5em;
    color: var(--text-body);
    font-style: italic;
}
.article-body img {
    border-radius: 12px;
    margin: 20px 0;
    height: auto;
}
.article-body figure { margin: 20px 0; }
.article-body figcaption {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 8px;
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 1.5em;
    font-size: 15px;
}
.article-body th, .article-body td {
    border: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
}
.article-body th { background: var(--bg); font-weight: 700; color: var(--text-dark); }
.article-body code {
    background: var(--bg);
    padding: 3px 7px;
    border-radius: 6px;
    font-size: 0.9em;
    color: var(--primary-dark);
}
.article-body pre {
    background: #1F1B16;
    color: #F5F2EE;
    padding: 18px 20px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 0 0 1.5em;
    font-size: 14px;
    line-height: 1.7;
}
.article-body a { text-decoration: underline; text-underline-offset: 3px; }

/* ===== Article Footer ===== */
.article-footer {
    max-width: 760px;
    margin: 40px auto 0;
    padding-top: 28px;
    border-top: 1px solid var(--border-light);
}
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}
.post-tags .tag {
    display: inline-block;
    background: var(--bg);
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    font-size: 13px;
    padding: 4px 14px;
    border-radius: 20px;
    transition: border-color .2s, color .2s;
}
.post-tags .tag:hover { border-color: var(--primary); color: var(--primary); }
.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.post-nav-link {
    display: block;
    background: #FBF8F4;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 16px 18px;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.post-nav-link:hover {
    border-color: var(--primary);
    background: #fff;
    box-shadow: var(--shadow-sm);
}
.post-nav-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.post-nav-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    display: block;
    line-height: 1.4;
}
.post-nav-next { text-align: right; }
.post-nav-next .post-nav-label { justify-content: flex-end; }

/* ===== Not Found ===== */
.not-found-box {
    text-align: center;
    padding: 60px 24px;
    background: var(--bg);
    border-radius: 14px;
    max-width: 620px;
    margin: 0 auto;
}
.not-found-box i {
    font-size: 42px;
    color: var(--primary);
    margin-bottom: 16px;
    display: inline-block;
}
.not-found-box h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 10px;
}
.not-found-box p { color: var(--text-muted); margin: 0 0 22px; }
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    padding: 10px 26px;
    transition: background .25s, border-color .25s, box-shadow .25s, transform .15s;
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    box-shadow: 0 4px 14px rgba(232,112,42,0.32);
    transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(1px); }

/* ===== Related ===== */
.related-section { padding: 60px 0 20px; background: var(--bg); }
.related-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .25s, transform .25s;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.related-card .card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform .4s ease;
}
.related-card:hover .card-img { transform: scale(1.03); }
.related-card-body {
    padding: 22px 24px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.related-card .card-tag {
    display: inline-block;
    align-self: flex-start;
    background: var(--secondary-soft);
    color: var(--secondary-dark);
    border: 1px solid rgba(14,124,123,0.22);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    margin-bottom: 12px;
}
.related-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 8px;
    line-height: 1.45;
}
.related-card p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0 0 16px;
    flex: 1;
}
.related-card .card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-light);
    padding-top: 14px;
}
.related-card .card-meta i { color: var(--secondary); font-size: 12px; }

/* ===== Explore Band ===== */
.explore-band {
    background: linear-gradient(135deg, var(--secondary) 0%, #09524E 100%);
    color: #fff;
    padding: 60px 0;
    margin-top: 40px;
}
.explore-band h2 {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 12px;
}
.explore-band p {
    color: rgba(255,255,255,0.82);
    font-size: 16px;
    margin: 0 0 26px;
}
.explore-band .btn-white {
    background: #fff;
    color: var(--secondary-dark);
    border: 0;
    border-radius: var(--radius-md);
    font-weight: 700;
    padding: 12px 32px;
    margin: 0 6px;
    transition: background .25s, box-shadow .25s, transform .15s;
}
.explore-band .btn-white:hover {
    background: var(--primary-soft);
    color: var(--primary-dark);
    box-shadow: 0 6px 18px rgba(0,0,0,0.16);
    transform: translateY(-2px);
}
.explore-band .btn-outline-white {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.7);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    padding: 10px 28px;
    margin: 0 6px;
    transition: background .25s, border-color .25s;
}
.explore-band .btn-outline-white:hover {
    background: rgba(255,255,255,0.14);
    border-color: #fff;
    color: #fff;
}

/* ===== Footer ===== */
.site-footer {
    background: #1F1B16;
    color: rgba(255,255,255,0.72);
    padding-top: 64px;
    font-size: 15px;
}
.footer-col { margin-bottom: 40px; }
.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 26px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary);
}
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}
.footer-brand:hover { color: #fff; }
.footer-brand .brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    font-size: 16px;
    box-shadow: 0 3px 10px rgba(232,112,42,0.28);
}
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin: 0; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 4px; }
.footer-links a {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 14px;
    display: inline-block;
    padding: 5px 0;
    transition: color .2s, transform .2s;
}
.footer-links a:hover { color: var(--primary); transform: translateX(3px); }
.footer-contact { list-style: none; margin: 0; padding: 0; }
.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 10px;
}
.footer-contact i { color: var(--primary); font-size: 14px; width: 18px; text-align: center; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 20px 0;
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    background: rgba(0,0,0,0.18);
}
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { margin: 0; }

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    .article-card { padding: 32px 28px; }
    .article-title { font-size: 30px; }
    .related-card .card-img { height: 200px; }
    .explore-band { padding: 48px 0; }
    .explore-band h2 { font-size: 26px; }
}
@media (max-width: 767.98px) {
    :root { --section-padding: 56px; }
    .article-card { padding: 24px 20px; margin: 0 12px; }
    .article-title { font-size: 26px; }
    .article-meta { gap: 6px 14px; font-size: 13px; }
    .article-cover img { height: 220px; }
    .article-body { font-size: 15px; }
    .article-body h2 { font-size: 23px; }
    .article-body h3 { font-size: 19px; }
    .post-nav { grid-template-columns: 1fr; }
    .post-nav-next { text-align: left; }
    .post-nav-next .post-nav-label { justify-content: flex-start; }
    .related-card .card-img { height: 190px; }
    .explore-band { padding: 40px 0; }
    .explore-band h2 { font-size: 23px; }
    .explore-band .btn-white,
    .explore-band .btn-outline-white { width: 100%; margin: 6px 0; }
    .site-footer { padding-top: 48px; }
    .footer-col { margin-bottom: 32px; }
}
@media (max-width: 575.98px) {
    .article-card { margin: 0 8px; padding: 20px 16px; border-radius: 12px; }
    .article-title { font-size: 24px; }
    .article-body { line-height: 1.78; }
    .article-body h2 { font-size: 21px; padding-left: 10px; }
    .article-body table { font-size: 13px; }
    .article-body th, .article-body td { padding: 7px 9px; }
    .section-head h2 { font-size: 26px; }
    .footer-bottom .container { flex-direction: column; text-align: center; gap: 4px; }
}

/* roulang page: category2 */
:root {
            --primary: #E8702A;
            --primary-dark: #c95c1d;
            --primary-light: rgba(232, 112, 42, 0.14);
            --secondary: #0E7C7B;
            --secondary-dark: #096160;
            --bg: #F5F2EE;
            --white: #FFFFFF;
            --text: #1F1B16;
            --text-soft: #6B6359;
            --border: #D9D2C8;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-pill: 24px;
            --shadow-sm: 0 2px 8px rgba(31, 27, 22, 0.06);
            --shadow-hover: 0 8px 24px rgba(31, 27, 22, 0.1);
            --transition: all .3s ease;
            --header-bg: #1F1B16;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

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

        button,
        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 88px 0;
        }

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

        .section-head {
            margin-bottom: 52px;
        }

        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 50px;
            letter-spacing: .5px;
            margin-bottom: 14px;
        }

        .section-head h2,
        .section h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 16px;
            position: relative;
        }

        .section-head h2::after {
            content: "";
            display: block;
            width: 52px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin-top: 12px;
        }

        .section-head.text-center h2::after {
            margin-left: auto;
            margin-right: auto;
        }

        .section-head p {
            color: var(--text-soft);
            font-size: 15px;
            max-width: 640px;
            margin: 0 auto;
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius-md);
            padding: 12px 30px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            border: 1px solid transparent;
        }

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

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.12);
            transform: translateY(-2px);
        }

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

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

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

        .btn-white:hover {
            background: var(--bg);
            border-color: var(--bg);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            box-shadow: 0 2px 12px rgba(31, 27, 22, 0.07);
        }

        .header-top {
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            background: #fff;
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 210px;
            color: var(--text);
            font-weight: 800;
            font-size: 20px;
        }

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

        .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .header-search-wrap {
            flex: 1;
            max-width: 600px;
            margin: 0 auto;
        }

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

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

        .header-search .search-input {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 14px;
            color: var(--text);
            height: 100%;
        }

        .header-search .search-input::placeholder {
            color: #9a9187;
        }

        .header-search:hover {
            border-color: var(--primary);
        }

        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(232, 112, 42, 0.15);
            background: #fff;
        }

        .header-cta-btn {
            padding: 9px 24px;
            font-size: 14px;
            white-space: nowrap;
        }

        .mobile-search {
            margin-top: 12px;
        }

        /* ===== Navbar ===== */
        .navbar {
            background: var(--header-bg);
            padding: 0;
        }

        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.82);
            padding: 14px 26px;
            font-weight: 500;
            font-size: 15px;
            border-bottom: 3px solid transparent;
            transition: var(--transition);
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: #fff;
            border-bottom-color: var(--primary);
            background: rgba(232, 112, 42, 0.13);
        }

        .navbar-toggler {
            border-color: rgba(255, 255, 255, 0.4);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            padding: 80px 0;
            background-color: var(--header-bg);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.45;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(31, 27, 22, 0.92) 0%, rgba(31, 27, 22, 0.68) 46%, rgba(232, 112, 42, 0.28) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(232, 112, 42, 0.22);
            border: 1px solid rgba(232, 112, 42, 0.55);
            color: #ffc7a6;
            font-size: 13px;
            font-weight: 600;
            border-radius: 50px;
            padding: 4px 18px;
            margin-bottom: 18px;
        }

        .hero-content h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #fff;
        }

        .hero-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 650px;
            margin-bottom: 26px;
            line-height: 1.7;
        }

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

        .hero-tags a {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            padding: 7px 20px;
            border-radius: 50px;
            transition: var(--transition);
        }

        .hero-tags a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== About Section ===== */
        .about-manual-section {
            padding: 88px 0;
        }

        .about-manual-section .section-tag {
            margin-bottom: 12px;
        }

        .about-manual-section h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 20px;
        }

        .about-manual-section p {
            color: var(--text-soft);
            font-size: 15px;
            margin-bottom: 20px;
        }

        .check-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
        }

        .check-list i {
            color: var(--secondary);
            font-size: 18px;
        }

        .about-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }

        .about-img-wrap img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .about-img-badge {
            position: absolute;
            left: 20px;
            bottom: 20px;
            background: rgba(255, 255, 255, 0.94);
            border-radius: 12px;
            padding: 12px 20px;
            box-shadow: var(--shadow-hover);
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            font-size: 14px;
        }

        .about-img-badge i {
            color: var(--primary);
            font-size: 20px;
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid #eee7df;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .feature-card .card-img {
            overflow: hidden;
            height: 220px;
        }

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

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

        .feature-card .card-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .feature-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-card .card-body p {
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

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

        .text-link i {
            transition: transform .3s ease;
        }

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

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

        /* ===== Process Cards ===== */
        .process-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid #eee7df;
            text-align: center;
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .process-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s ease;
        }

        .process-card:hover::before {
            transform: scaleX(1);
        }

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

        .step-num {
            display: inline-block;
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 20px;
            font-weight: 800;
            border-radius: 14px;
            line-height: 52px;
            margin-bottom: 18px;
        }

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

        .process-card p {
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.65;
            margin-bottom: 0;
        }

        .section-white .process-card {
            background: var(--bg);
            border-color: #eee2d8;
        }

        /* ===== Scenario Cards ===== */
        .scenario-block {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid #eee7df;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .scenario-img {
            overflow: hidden;
            height: 200px;
        }

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

        .scenario-block:hover .scenario-img img {
            transform: scale(1.04);
        }

        .scenario-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .scenario-body .scenario-tag {
            color: var(--secondary);
            font-size: 12px;
            font-weight: 600;
            background: rgba(14, 124, 123, 0.1);
            padding: 4px 14px;
            border-radius: 50px;
            align-self: flex-start;
            margin-bottom: 12px;
        }

        .scenario-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .scenario-body p {
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .scenario-body ul {
            margin: 0;
            padding: 0;
        }

        .scenario-body ul li {
            font-size: 14px;
            color: var(--text);
            padding: 5px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .scenario-body ul li i {
            color: var(--primary);
            font-size: 13px;
        }

        /* ===== Stats Band ===== */
        .stats-band {
            background: var(--header-bg);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-band::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(232, 112, 42, 0.12);
        }

        .stats-band::before {
            content: "";
            position: absolute;
            left: -40px;
            bottom: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(14, 124, 123, 0.12);
        }

        .stat-item {
            text-align: center;
            padding: 30px 20px;
            position: relative;
            z-index: 1;
        }

        .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            font-family: "DIN Alternate", "Bahnschrift", sans-serif;
        }

        .stat-label {
            margin-top: 8px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 1px;
        }

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

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--primary);
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: #fdfbf9;
            padding: 20px 26px;
            box-shadow: none !important;
            border: none;
        }

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

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
            background: #fff8f3;
        }

        .accordion-button::after {
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f078";
            background: none !important;
            width: auto;
            height: auto;
            color: var(--text-soft);
            font-size: 14px;
            transition: transform .3s ease, color .3s ease;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .accordion-body {
            padding: 6px 26px 22px;
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-soft);
            background: #fff;
            border-top: 1px solid #f0e7dd;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(120deg, var(--primary) 0%, #d05f1f 100%);
            padding: 76px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            right: -50px;
            bottom: -50px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 16px;
            margin-bottom: 30px;
        }

        .cta-inner .btn-white {
            padding: 14px 44px;
            font-size: 16px;
            border-radius: 50px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--header-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            font-size: 14px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

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

        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            display: block;
            width: 28px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            margin-top: 8px;
        }

        .footer-links li,
        .footer-contact li {
            padding: 4px 0;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
        }

        .footer-links a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }

        .footer-contact li {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--primary);
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .header-top-row {
                flex-wrap: wrap;
            }

            .brand-logo {
                min-width: auto;
            }

            .header-search-wrap {
                display: none;
            }

            .header-cta-btn {
                margin-left: auto;
            }

            .mobile-search .header-search {
                width: 100%;
            }

            .navbar-collapse {
                background: var(--header-bg);
                padding: 10px 0;
            }

            .navbar-nav .nav-link {
                padding: 12px 20px;
                border-bottom: none;
                border-left: 3px solid transparent;
            }

            .navbar-nav .nav-link.active {
                border-left-color: var(--primary);
                background: rgba(232, 112, 42, 0.12);
            }

            .section {
                padding: 64px 0;
            }

            .category-hero {
                min-height: 320px;
                padding: 56px 0;
            }

            .hero-content h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .section-head {
                margin-bottom: 36px;
            }

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

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

            .hero-content p {
                font-size: 15px;
            }

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

            .stats-band {
                padding: 44px 0;
            }

            .about-img-wrap img {
                height: 240px;
            }

            .feature-card .card-img {
                height: 180px;
            }

            .scenario-img {
                height: 170px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }

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

        @media (max-width: 576px) {
            body {
                font-size: 15px;
                line-height: 1.65;
            }

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

            .section-head p {
                font-size: 14px;
            }

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

            .btn {
                width: 100%;
                text-align: center;
            }

            .header-cta-btn {
                width: auto;
                padding: 8px 16px;
                font-size: 13px;
            }

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

            .feature-card .card-body,
            .scenario-body {
                padding: 20px;
            }

            .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }

            .accordion-body {
                padding: 4px 18px 18px;
                font-size: 14px;
            }

            .cta-section {
                padding: 52px 0;
            }

            .cta-inner .btn-white {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #E8702A;
            --primary-hover: #C4551A;
            --primary-light: #FFF0E6;
            --secondary: #0E7C7B;
            --secondary-light: #E3F6F5;
            --bg: #F5F2EE;
            --white: #FFFFFF;
            --ink: #1F1B16;
            --text: #3D362D;
            --muted: #6B6359;
            --border: #D9D2C8;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-pill: 24px;
            --shadow: 0 2px 8px rgba(31, 27, 22, .06);
            --shadow-hover: 0 8px 24px rgba(31, 27, 22, .10);
            --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all .3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--bg);
            color: var(--text);
            font-family: var(--font);
            line-height: 1.8;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        :focus-visible {
            outline: 3px solid rgba(232, 112, 42, .45);
            outline-offset: 2px;
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(31, 27, 22, .04);
            position: relative;
            z-index: 50;
        }
        .header-top {
            padding: 14px 0;
            background: var(--white);
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.3px;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary) 0%, #F5914F 100%);
            color: #fff;
            border-radius: 12px;
            font-size: 17px;
            box-shadow: 0 4px 10px rgba(232, 112, 42, .28);
            flex: 0 0 auto;
        }
        .header-search {
            position: relative;
            max-width: 680px;
            margin: 0 auto;
        }
        .search-box {
            position: relative;
        }
        .search-box .form-control {
            height: 46px;
            border-radius: var(--radius-pill);
            background: var(--bg);
            border: 1.5px solid #E3DCD2;
            padding-left: 46px;
            padding-right: 48px;
            font-size: 15px;
            color: var(--text);
            transition: var(--transition);
            box-shadow: none;
        }
        .search-box .form-control::placeholder {
            color: var(--muted);
        }
        .search-box .form-control:hover {
            border-color: var(--primary);
        }
        .search-box .form-control:focus {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(232, 112, 42, .16);
        }
        .search-box .search-icon {
            position: absolute;
            left: 17px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: 15px;
            pointer-events: none;
            z-index: 2;
        }
        .search-box .search-submit {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 0;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box .search-submit:hover {
            background: var(--primary-hover);
        }
        .header-cta {
            height: 42px;
            padding: 0 22px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .search-trigger {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1.5px solid var(--border);
            background: var(--bg);
            color: var(--text);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .search-trigger:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .mobile-search-panel {
            background: var(--white);
            border-top: 1px solid var(--border);
            padding: 12px 0;
        }

        /* ===== Navbar ===== */
        .navbar {
            background: var(--ink);
            min-height: 52px;
            padding: 0;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
        }
        .navbar .nav-item {
            position: relative;
        }
        .navbar .nav-link {
            color: rgba(255, 255, 255, .70);
            font-weight: 500;
            font-size: 15px;
            padding: 0 22px;
            line-height: 52px;
            letter-spacing: .2px;
            transition: var(--transition);
            position: relative;
        }
        .navbar .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
            transition: var(--transition);
        }
        .navbar .nav-link:hover {
            color: #fff;
        }
        .navbar .nav-link:hover::after {
            width: 100%;
        }
        .navbar .nav-link.active {
            color: #fff;
            font-weight: 600;
        }
        .navbar .nav-link.active::after {
            width: 100%;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: 8px;
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 255, 255, .2);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 76px 0 84px;
            background-color: var(--ink);
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(31, 27, 22, .82) 0%, rgba(31, 27, 22, .62) 45%, rgba(31, 27, 22, .38) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .24);
            color: #fff;
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .3px;
            margin-bottom: 18px;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            color: #F5A06A;
        }
        .page-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: -.5px;
        }
        .page-hero h1 span {
            color: #F5A06A;
        }
        .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, .86);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-breadcrumb {
            margin-bottom: 26px;
        }
        .hero-breadcrumb .breadcrumb {
            margin-bottom: 0;
        }
        .hero-breadcrumb .breadcrumb-item,
        .hero-breadcrumb .breadcrumb-item a {
            color: rgba(255, 255, 255, .78);
            font-size: 14px;
        }
        .hero-breadcrumb .breadcrumb-item.active {
            color: #F5A06A;
        }
        .hero-breadcrumb .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, .5);
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius);
            font-weight: 600;
            padding: 10px 26px;
            transition: var(--transition);
            font-size: 15px;
        }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .btn-primary:hover,
        .btn-primary:focus,
        .btn-primary:active {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            color: #fff;
            box-shadow: inset 0 1px 2px rgba(0, 0, 0, .14);
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .75);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: #fff;
            color: var(--ink);
            border-color: #fff;
        }
        .btn-outline-secondary {
            background: transparent;
            border: 1.5px solid var(--secondary);
            color: var(--secondary);
        }
        .btn-outline-secondary:hover {
            background: var(--secondary);
            color: #fff;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            border: 1.5px solid #fff;
        }
        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-hover);
            border-color: #fff;
        }

        /* ===== Stats Band ===== */
        .stats-band {
            background: linear-gradient(135deg, #E8702A 0%, #C4551A 100%);
            padding: 52px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-band::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }
        .stat-item {
            text-align: center;
            padding: 10px 12px;
            position: relative;
            z-index: 2;
        }
        .stat-num {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -.5px;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            opacity: .9;
            letter-spacing: .3px;
        }

        /* ===== Sections ===== */
        .section {
            padding: 88px 0;
        }
        .section-header {
            margin-bottom: 44px;
            max-width: 680px;
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .section-header.center .section-label::before {
            display: none;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -.4px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== Activity Cards ===== */
        .activity-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(217, 210, 200, .36);
        }
        .activity-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 112, 42, .4);
        }
        .activity-card-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .activity-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .activity-card:hover .activity-card-img img {
            transform: scale(1.06);
        }
        .activity-card-body {
            padding: 26px 24px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .activity-card-tag {
            display: inline-block;
            font-size: 12.5px;
            font-weight: 600;
            color: var(--secondary);
            background: var(--secondary-light);
            border-radius: 6px;
            padding: 3px 10px;
            margin-bottom: 12px;
            align-self: flex-start;
            letter-spacing: .3px;
        }
        .activity-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .activity-card-body p {
            font-size: 14.5px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card-link i {
            transition: transform .3s ease;
            font-size: 12px;
        }
        .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Focus Block ===== */
        .focus-section {
            background: var(--white);
            border-top: 1px solid rgba(217, 210, 200, .32);
            border-bottom: 1px solid rgba(217, 210, 200, .32);
        }
        .focus-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            height: 100%;
            min-height: 300px;
        }
        .focus-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .focus-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .focus-list-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .focus-list-item:last-child {
            border-bottom: 0;
        }
        .focus-list-item:hover {
            padding-left: 6px;
        }
        .focus-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex: 0 0 auto;
        }
        .focus-info h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .focus-info p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 6px;
            line-height: 1.65;
        }
        .focus-time {
            font-size: 12.5px;
            color: #9A9186;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* ===== Channel ===== */
        .channel-section {
            background: #FAF5F0;
        }
        .channel-item {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            border: 1px solid rgba(217, 210, 200, .3);
        }
        .channel-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .channel-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--secondary) 0%, #12A19F 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 18px;
            box-shadow: 0 8px 16px rgba(14, 124, 123, .22);
        }
        .channel-item h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
        }
        .channel-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== Steps ===== */
        .steps-section {
            background: var(--ink);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .steps-section::before {
            content: '';
            position: absolute;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(232, 112, 42, .18), transparent 70%);
            top: -140px;
            right: -120px;
        }
        .steps-section .section-title {
            color: #fff;
        }
        .steps-section .section-desc {
            color: rgba(255, 255, 255, .7);
        }
        .step-item {
            padding: 20px 18px;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, .1);
            background: rgba(255, 255, 255, .04);
            transition: var(--transition);
            height: 100%;
        }
        .step-item:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-3px);
        }
        .step-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 14px;
            letter-spacing: -1px;
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(232, 112, 42, .4);
        }
        .faq-button {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border: 0;
            background: transparent;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-button i {
            color: var(--muted);
            transition: transform .35s ease;
            font-size: 14px;
            flex: 0 0 auto;
        }
        .faq-item:has(.collapse.show) {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .faq-item:has(.collapse.show) .faq-button i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-collapse .faq-body {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.85;
            border-top: 1px dashed var(--border);
            padding-top: 16px;
            margin-top: 0;
        }

        /* ===== CTA Band ===== */
        .cta-band {
            background: linear-gradient(135deg, #E8702A 0%, #BF4D16 100%);
            padding: 76px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            top: -140px;
            left: -100px;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
            right: -50px;
            bottom: -80px;
        }
        .cta-band .container {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -.4px;
        }
        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, .9);
            max-width: 560px;
            margin: 0 auto 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, .72);
            padding: 60px 0 0;
            font-size: 14px;
            line-height: 1.75;
        }
        .footer-col {
            margin-bottom: 30px;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand:hover {
            color: var(--primary);
        }
        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 15px;
        }
        .footer-desc {
            font-size: 13.5px;
            color: rgba(255, 255, 255, .5);
            line-height: 1.8;
            margin-bottom: 0;
            margin-top: 8px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 26px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .footer-links,
        .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .65);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact li {
            color: rgba(255, 255, 255, .55);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
            margin-top: 10px;
        }
        .footer-bottom p {
            margin-bottom: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .section {
                padding: 64px 0;
            }
            .page-hero {
                padding: 56px 0 64px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .navbar-nav {
                align-items: flex-start;
                padding: 10px 0;
            }
            .navbar .nav-link {
                line-height: 46px;
                padding: 0 16px;
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, .06);
            }
            .navbar .nav-link::after {
                left: 16px;
                width: 0;
                height: 0;
            }
            .navbar .nav-link.active::after {
                display: none;
            }
            .navbar .nav-link.active {
                color: #F5A06A;
            }
            .navbar .nav-link:hover {
                color: #F5A06A;
                padding-left: 20px;
            }
            .stat-num {
                font-size: 34px;
            }
            .stats-band {
                padding: 40px 0;
            }
            .cta-title {
                font-size: 28px;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 48px 0;
            }
            .page-hero {
                padding: 44px 0 52px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 15.5px;
            }
            .section-title {
                font-size: 26px;
            }
            .header-cta {
                padding: 0 16px;
                font-size: 14px;
                height: 38px;
            }
            .brand-logo {
                font-size: 19px;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .stat-item {
                margin-bottom: 20px;
            }
            .stat-num {
                font-size: 32px;
            }
            .activity-card-img {
                height: 160px;
            }
            .focus-img-wrap {
                min-height: 220px;
                margin-bottom: 24px;
            }
            .channel-item {
                padding: 26px 20px;
            }
            .step-item {
                margin-bottom: 16px;
            }
            .cta-band {
                padding: 56px 0;
            }
            .cta-title {
                font-size: 26px;
            }
            .footer-col {
                margin-bottom: 36px;
            }
        }
        @media (max-width: 575.98px) {
            .page-hero h1 {
                font-size: 26px;
            }
            .hero-actions .btn {
                width: 100%;
                margin-bottom: 8px;
            }
            .header-cta {
                display: none !important;
            }
            .search-trigger {
                display: inline-flex;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .activity-card-body {
                padding: 20px 18px;
            }
            .btn {
                width: 100%;
            }
        }