/* roulang page: index */
/* ===== Design Tokens ===== */
:root {
  --primary: #1565a8;
  --primary-light: #2e8bc0;
  --primary-dark: #0d4b73;
  --primary-bg: #eaf2f9;
  --accent: #e8a33d;
  --accent-dark: #c9861f;
  --dark: #0f2233;
  --text: #1e2d3d;
  --muted: #617387;
  --card: #ffffff;
  --border: #dbe5f0;
  --bg: #f5f9fd;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 6px 24px rgba(21,101,168,0.07);
  --shadow-md: 0 10px 36px rgba(21,101,168,0.12);
  --shadow-lg: 0 16px 48px rgba(21,101,168,0.16);
  --transition: all 0.3s ease;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ===== Container ===== */
.container-custom {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container-custom { padding: 0 16px; }
}

/* ===== Header ===== */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(15,34,51,0.04);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 20px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--dark);
}
.brand-logo i {
  font-size: 1.8rem;
  color: var(--primary);
}
.brand-text {
  color: var(--primary-dark);
  letter-spacing: 0.5px;
}
.header-search {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 8px 6px 18px;
  width: 320px;
  transition: var(--transition);
}
.header-search:focus-within {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(21,101,168,0.12);
}
.header-search input {
  border: none;
  background: transparent;
  outline: none;
  flex: 1;
  font-size: 0.9rem;
  color: var(--text);
}
.header-search button {
  background: var(--primary);
  border: none;
  color: #fff;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.header-search button:hover { background: var(--primary-dark); }

.channel-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  border-top: 1px solid var(--border);
  padding: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.channel-nav::-webkit-scrollbar { height: 3px; }
.channel-nav::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.channel-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.channel-nav a i { font-size: 0.85rem; }
.channel-nav a:hover { color: var(--primary); }
.channel-nav a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: var(--primary-bg);
}
.channel-nav a .nav-badge {
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 700;
}

/* ===== Buttons ===== */
.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(21,101,168,0.25);
}
.btn-main:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(21,101,168,0.3);
  color: #fff;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary-light);
  padding: 11px 26px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  background: var(--primary-bg);
  border-color: var(--primary);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-light-solid {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--primary-dark);
  border: none;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.btn-light-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(0,0,0,0.14);
  color: var(--primary);
}

/* ===== Hero ===== */
.hero-section {
  background: var(--primary-bg);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.hero-banner {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  min-height: 420px;
  display: flex;
  align-items: center;
}
.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(240,247,253,0.96) 20%, rgba(240,247,253,0.82) 55%, rgba(240,247,253,0.45) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 60px 0;
  max-width: 640px;
}
.hero-tag {
  display: inline-block;
  background: rgba(21,101,168,0.12);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.hero-content h1 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--dark);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
}
.hero-desc {
  font-size: 0.98rem;
  color: var(--muted);
  margin-bottom: 26px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(21,101,168,0.15);
}
.hero-stat-item {
  text-align: left;
}
.hero-stat-item strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.hero-stat-item span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ===== Section ===== */
.section-block {
  padding: 80px 0;
}
.section-block.tight { padding: 48px 0; }
.section-header {
  margin-bottom: 48px;
}
.section-header .section-tag {
  display: inline-block;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.section-header h2 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.3;
}
.section-header p {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 640px;
}

/* ===== Cards ===== */
.card-custom {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}
.card-custom:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.card-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-bg);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card-icon i {
  font-size: 1.5rem;
  color: var(--primary);
}
.card-custom h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.card-custom p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===== Voucher Grid ===== */
.voucher-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.voucher-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
  height: 100%;
}
.voucher-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, transparent 50%, rgba(21,101,168,0.06) 50%);
  border-radius: 0 0 0 80px;
}
.voucher-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}
.voucher-tag {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.voucher-card h4 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.voucher-card p {
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 18px;
}
.voucher-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}
.voucher-meta .price {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
}
.voucher-meta .link {
  font-size: 0.82rem;
  color: var(--primary-light);
  font-weight: 600;
}
.voucher-meta .link:hover { color: var(--primary-dark); }

/* ===== Steps / Rules ===== */
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 20px;
}
.step-item {
  position: relative;
  padding: 30px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.step-item:hover { box-shadow: var(--shadow-md); }
.step-num {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.step-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.step-item p { font-size: 0.88rem; color: var(--muted); margin-bottom: 0; }

.rules-list {
  margin-top: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow);
}
.rules-list li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--bg);
  font-size: 0.9rem;
  color: var(--text);
}
.rules-list li:last-child { border-bottom: none; }
.rules-list li i { color: var(--primary); margin-top: 4px; }

/* ===== News / Info ===== */
.news-wrap {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
}
.news-list {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 28px;
}
.news-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--bg);
  display: flex;
  gap: 16px;
  transition: var(--transition);
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { padding-left: 8px; }
.news-item .news-thumb {
  width: 90px;
  height: 68px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--primary-bg);
}
.news-item .news-body { flex: 1; }
.news-item .news-cat {
  font-size: 0.72rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.news-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin: 4px 0 6px;
}
.news-item h4 a { color: var(--text); }
.news-item h4 a:hover { color: var(--primary); }
.news-item .news-date {
  font-size: 0.78rem;
  color: var(--muted);
}
.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sidebar-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.sidebar-card h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--bg);
}
.sidebar-card ul li {
  padding: 8px 0;
  font-size: 0.88rem;
  border-bottom: 1px dashed var(--bg);
}
.sidebar-card ul li:last-child { border-bottom: none; }
.sidebar-card ul li a { color: var(--text); }
.sidebar-card ul li a:hover { color: var(--primary); }
.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.sidebar-tags a {
  background: var(--bg);
  color: var(--muted);
  font-size: 0.78rem;
  padding: 5px 14px;
  border-radius: 20px;
  transition: var(--transition);
}
.sidebar-tags a:hover {
  background: var(--primary-bg);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-item .faq-q {
  width: 100%;
  background: var(--card);
  border: none;
  padding: 22px 24px;
  text-align: left;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
}
.faq-item .faq-q:hover { color: var(--primary); }
.faq-item .faq-q i { color: var(--primary-light); transition: transform 0.3s; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-item .faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding: 0 24px 22px;
}

/* ===== Reviews ===== */
.review-wrap {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
}
.review-score {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow);
}
.review-score .score {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.review-score .stars { color: var(--accent); font-size: 1.1rem; margin: 12px 0; }
.review-score p { font-size: 0.88rem; color: var(--muted); margin-bottom: 4px; }
.review-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.review-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.review-item:hover { box-shadow: var(--shadow-md); }
.review-item .review-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}
.review-item .review-name { font-weight: 700; color: var(--dark); font-size: 0.95rem; }
.review-item .review-scene { font-size: 0.78rem; color: var(--primary); background: var(--primary-bg); padding: 2px 10px; border-radius: 10px; }
.review-item p { font-size: 0.9rem; color: var(--muted); margin: 0; }
.review-item .stars { color: var(--accent); font-size: 0.85rem; margin-top: 8px; }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  padding: 72px 0;
  color: #fff;
  text-align: center;
}
.cta-section h2 {
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-section p {
  font-size: 1rem;
  opacity: 0.9;
  max-width: 620px;
  margin: 0 auto 28px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: #aab8c8;
  padding: 56px 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand i { color: var(--accent); }
.footer-desc { font-size: 0.86rem; line-height: 1.7; opacity: 0.8; max-width: 360px; }
.footer-col h5 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul li { padding: 6px 0; font-size: 0.86rem; }
.footer-col ul li a { color: #aab8c8; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  opacity: 0.7;
}

/* ===== Cover ===== */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cover-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 240px;
  background: var(--primary-dark);
}
.cover-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.75;
  transition: transform 0.5s ease;
}
.cover-card:hover img { transform: scale(1.05); }
.cover-card-content {
  position: absolute;
  inset: 0;
  padding: 24px;
  background: linear-gradient(180deg, transparent 20%, rgba(15,34,51,0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.cover-card-content h4 {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.cover-card-content p {
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .voucher-grid { grid-template-columns: repeat(2, 1fr); }
  .news-wrap { grid-template-columns: 1fr; }
  .review-wrap { grid-template-columns: 1fr; }
  .cover-grid { grid-template-columns: repeat(2, 1fr); }
  .section-block { padding: 60px 0; }
}
@media (max-width: 768px) {
  body { font-size: 15px; }
  .header-top { flex-direction: column; align-items: stretch; }
  .header-search { width: 100%; }
  .channel-nav a { padding: 10px 14px; font-size: 0.88rem; }
  .hero-banner { min-height: 360px; }
  .hero-content { padding: 40px 0; }
  .hero-content h1 { font-size: 1.7rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-stats { gap: 18px; }
  .hero-stat-item strong { font-size: 1.3rem; }
  .steps-wrap { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .section-header h2 { font-size: 1.6rem; }
  .cta-section { padding: 56px 0; }
  .cta-section h2 { font-size: 1.5rem; }
}
@media (max-width: 520px) {
  .voucher-grid { grid-template-columns: 1fr; }
  .cover-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn-main, .btn-outline, .btn-light-solid { width: 100%; justify-content: center; }
  .section-block { padding: 48px 0; }
  .section-header { margin-bottom: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
:root {
            --primary: #1565a8;
            --primary-light: #2e8bc0;
            --primary-dark: #0d4b73;
            --primary-bg: #eaf2f9;
            --accent: #e8a33d;
            --accent-dark: #c9861f;
            --dark: #0f2233;
            --text: #1e2d3d;
            --muted: #617387;
            --card: #ffffff;
            --border: #dbe5f0;
            --bg: #f5f9fd;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 6px 24px rgba(21,101,168,0.07);
            --shadow-md: 0 10px 36px rgba(21,101,168,0.12);
            --shadow-lg: 0 16px 48px rgba(21,101,168,0.16);
            --transition: all .3s ease;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            color: var(--dark);
            line-height: 1.35;
        }

        p {
            margin-top: 0;
        }

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

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--card);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(15, 34, 51, 0.04);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 20px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            line-height: 1.3;
            color: var(--dark);
        }

        .brand-logo i {
            font-size: 1.8rem;
            color: var(--primary);
        }

        .brand-text {
            color: var(--primary-dark);
            letter-spacing: .5px;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 6px 8px 6px 18px;
            width: 320px;
            transition: var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(21, 101, 168, 0.12);
        }

        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            flex: 1;
            font-size: 0.9rem;
            color: var(--text);
        }

        .header-search button {
            background: var(--primary);
            border: none;
            color: #fff;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

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

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            border-top: 1px solid var(--border);
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }

        .channel-nav::-webkit-scrollbar {
            height: 3px;
        }

        .channel-nav::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--muted);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
        }

        .channel-nav a i {
            font-size: 0.85rem;
        }

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

        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            background: var(--primary-bg);
        }

        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                padding: 14px 0 10px;
            }

            .header-search {
                width: 100%;
            }

            .channel-nav a {
                padding: 10px 14px;
                font-size: 0.88rem;
            }
        }

        /* ===== Buttons ===== */
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(21, 101, 168, 0.25);
        }

        .btn-main:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(21, 101, 168, 0.3);
            color: #fff;
        }

        .btn-main:focus {
            outline: 3px solid rgba(21, 101, 168, 0.3);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary-light);
            padding: 11px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .btn-light-solid {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--primary-dark);
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }

        .btn-light-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(0, 0, 0, 0.14);
            color: var(--primary);
        }

        .btn-block {
            width: 100%;
        }

        /* ===== Section common ===== */
        .section-padding {
            padding: 96px 0;
        }

        .section-tag {
            display: inline-block;
            background: rgba(21, 101, 168, 0.1);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: .5px;
            margin-bottom: 16px;
            color: var(--dark);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.8;
        }

        .section-head {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-head .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 64px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        /* ===== Guide Hero ===== */
        .guide-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            padding: 90px 0;
            border-bottom: 1px solid var(--border);
        }

        .guide-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(240, 247, 253, 0.97) 20%, rgba(240, 247, 253, 0.88) 55%, rgba(240, 247, 253, 0.5) 100%);
        }

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

        .hero-copy {
            padding-right: 30px;
        }

        .hero-copy .guide-tag {
            display: inline-block;
            background: rgba(21, 101, 168, 0.12);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-copy h1 {
            font-size: 2.15rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

        .hero-copy .hero-pain {
            font-size: 1.05rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 14px;
            background: rgba(232, 163, 61, 0.12);
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
        }

        .hero-copy .hero-desc {
            font-size: 0.98rem;
            color: var(--muted);
            margin-bottom: 28px;
            line-height: 1.85;
        }

        .hero-meta-list {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding-top: 24px;
            border-top: 1px solid rgba(21, 101, 168, 0.15);
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-size: 0.9rem;
            font-weight: 600;
        }

        .hero-meta-item i {
            color: var(--primary);
            font-size: 1.1rem;
            background: rgba(21, 101, 168, 0.08);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-form-card {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            padding: 34px 30px;
            border: 1px solid var(--border);
            max-width: 420px;
            margin-left: auto;
        }

        .hero-form-card .form-header {
            text-align: center;
            margin-bottom: 24px;
        }

        .hero-form-card .form-header i {
            font-size: 2rem;
            color: var(--primary);
            background: var(--primary-bg);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
        }

        .hero-form-card .form-header h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dark);
        }

        .hero-form-card .form-header p {
            font-size: 0.88rem;
            color: var(--muted);
            margin-bottom: 0;
        }

        .hero-form-card .form-group {
            margin-bottom: 14px;
        }

        .hero-form-card .form-control {
            border: 1.5px solid var(--border);
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 0.9rem;
            color: var(--text);
            background: var(--bg);
            transition: var(--transition);
        }

        .hero-form-card .form-control:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(21, 101, 168, 0.12);
            background: #fff;
        }

        .hero-form-card .form-select {
            border: 1.5px solid var(--border);
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 0.9rem;
            color: var(--text);
            background-color: var(--bg);
            transition: var(--transition);
        }

        .hero-form-card .form-select:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(21, 101, 168, 0.12);
            background-color: #fff;
        }

        .hero-form-card .form-privacy {
            text-align: center;
            font-size: 0.78rem;
            color: var(--muted);
            margin-top: 14px;
            margin-bottom: 0;
        }

        .hero-form-card .form-privacy i {
            margin-right: 4px;
        }

        @media (max-width: 992px) {
            .guide-hero {
                padding: 60px 0;
            }
            .hero-form-card {
                margin-left: 0;
                margin-top: 36px;
                max-width: 100%;
            }
            .hero-copy {
                padding-right: 0;
            }
            .hero-copy h1 {
                font-size: 1.75rem;
            }
        }

        @media (max-width: 576px) {
            .guide-hero {
                padding: 48px 0;
            }
            .hero-copy h1 {
                font-size: 1.5rem;
            }
            .hero-meta-list {
                gap: 12px;
            }
        }

        /* ===== Pain Section ===== */
        .pain-section {
            background: var(--card);
            border-bottom: 1px solid var(--border);
            padding: 80px 0;
        }

        .pain-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            height: 100%;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .pain-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(21, 101, 168, 0.25);
        }

        .pain-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(21, 101, 168, 0.08), rgba(21, 101, 168, 0.16));
            color: var(--primary);
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
        }

        .pain-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .pain-card p {
            font-size: 0.92rem;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.75;
        }

        /* ===== Solution Section ===== */
        .solution-section {
            background: var(--primary-bg);
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

        .solution-img-wrap {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .solution-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .solution-img-tag {
            position: absolute;
            top: 18px;
            left: 18px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 50px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
        }

        .solution-content .section-tag {
            margin-bottom: 14px;
        }

        .solution-content h2 {
            font-size: 1.85rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--dark);
            line-height: 1.35;
        }

        .solution-content .lead-text {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.85;
            margin-bottom: 24px;
        }

        .feature-list {
            margin-bottom: 28px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.95rem;
            color: var(--text);
        }

        .feature-list li i {
            color: var(--primary);
            font-size: 1.05rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .solution-note {
            background: rgba(232, 163, 61, 0.1);
            border-left: 4px solid var(--accent);
            padding: 14px 20px;
            border-radius: 0 12px 12px 0;
            font-size: 0.88rem;
            color: var(--text);
        }

        .solution-note strong {
            color: var(--accent-dark);
        }

        @media (max-width: 992px) {
            .solution-img-wrap {
                margin-bottom: 30px;
            }
            .solution-img-wrap img {
                min-height: 300px;
            }
        }

        /* ===== Process Section ===== */
        .process-section {
            background: var(--card);
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

        .process-step {
            position: relative;
            padding: 36px 28px;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            height: 100%;
            transition: var(--transition);
        }

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

        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            box-shadow: 0 6px 16px rgba(21, 101, 168, 0.25);
        }

        .process-step:nth-child(2) .step-num {
            background: var(--accent);
            box-shadow: 0 6px 16px rgba(232, 163, 61, 0.25);
        }

        .process-step .step-icon {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .process-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--muted);
            margin-bottom: 0;
        }

        /* ===== Data Section ===== */
        .data-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            padding: 70px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .data-section .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        .data-item {
            text-align: center;
            padding: 24px 20px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            height: 100%;
        }

        .data-item .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .data-item .num span {
            font-size: 1.4rem;
            margin-left: 2px;
        }

        .data-item .label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .data-item .num {
                font-size: 2rem;
            }
        }

        /* ===== Testimonial Section ===== */
        .testimonial-section {
            background: var(--primary-bg);
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

        .testimonial-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 34px 30px;
            height: 100%;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .testimonial-card .quote-icon {
            font-size: 1.6rem;
            color: var(--primary);
            opacity: 0.3;
            margin-bottom: 14px;
        }

        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.85;
            margin-bottom: 24px;
        }

        .testimonial-card .user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border);
            padding-top: 18px;
        }

        .testimonial-card .user .avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
        }

        .testimonial-card .user .name {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--dark);
        }

        .testimonial-card .user .role {
            font-size: 0.8rem;
            color: var(--muted);
        }

        .testimonial-card .stars {
            color: var(--accent);
            font-size: 0.8rem;
            margin-left: auto;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: var(--card);
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .faq-wrap .accordion-item {
            margin-bottom: 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            box-shadow: var(--shadow);
            background: var(--card);
        }

        .faq-wrap .accordion-button {
            background: var(--card);
            color: var(--dark);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 18px 24px;
            border: none;
            box-shadow: none;
        }

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

        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(21, 101, 168, 0.12);
        }

        .faq-wrap .accordion-body {
            padding: 18px 24px;
            color: var(--muted);
            font-size: 0.93rem;
            line-height: 1.8;
            border-top: 1px solid var(--border);
            background: var(--bg);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            padding: 90px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 34, 51, 0.92) 0%, rgba(21, 101, 168, 0.85) 60%, rgba(46, 139, 192, 0.75) 100%);
        }

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

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

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            max-width: 620px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

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

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand i {
            font-size: 1.5rem;
            color: var(--accent);
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (max-width: 768px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}