/* roulang page: index */
:root {
  --bg-primary: #0B1220;
  --bg-card: #111B2E;
  --bg-hover: #16233D;
  --bg-deep: #070D16;
  --accent: #00E5A0;
  --accent-blue: #23C9FF;
  --gold: #E8B45A;
  --silver: #C0C8D4;
  --platinum: #9AB8FF;
  --diamond: #00E5A0;
  --text-primary: #EAF0F8;
  --text-secondary: #9AA8BC;
  --text-muted: #5B6B81;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);
  --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.03));
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
  --shadow-accent: 0 0 18px rgba(0, 229, 160, 0.35);
  --shadow-accent-lg: 0 0 26px rgba(0, 229, 160, 0.45);
  --transition: 0.25s ease;
  --section-pad: 80px;
}
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }
button, input { font-family: inherit; }
.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
.section { padding: var(--section-pad) 0; position: relative; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 {
  font-size: 30px;
  font-weight: 650;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.section-head p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 560px;
  margin: 12px auto 0;
}
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #00E5A0, #23C9FF);
  color: #08111F;
  border: none;
  border-radius: var(--radius-pill);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-accent);
}
.btn-main:hover {
  color: #08111F;
  filter: brightness(1.06);
  box-shadow: var(--shadow-accent-lg);
  transform: translateY(-1px);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--text-primary);
  border-radius: var(--radius-pill);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.btn-outline:focus-visible, .btn-main:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 18, 32, 0.85);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(6, 12, 24, 0.95);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 0;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #08111F;
  font-size: 20px;
  box-shadow: 0 0 14px rgba(0, 229, 160, 0.3);
}
.brand-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.nav-cats {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.nav-cats a {
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: all var(--transition);
  position: relative;
}
.nav-cats a:hover { color: var(--accent); background: rgba(0, 229, 160, 0.08); }
.nav-cats a.active { color: var(--accent); background: rgba(0, 229, 160, 0.1); }
.nav-cats a.active::after {
  content: "";
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(0, 229, 160, 0.5);
}
.header-search {
  flex: 1;
  max-width: 420px;
  margin-left: auto;
}
.header-search form, .mobile-search form {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-pill);
  padding: 0 16px;
  height: 44px;
  transition: all var(--transition);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}
.header-search form:focus-within, .mobile-search form:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 255, 178, 0.15);
}
.header-search svg, .mobile-search svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-secondary);
  flex-shrink: 0;
}
.header-search input, .mobile-search input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  padding: 0 10px;
  min-width: 0;
}
.header-search input::placeholder, .mobile-search input::placeholder { color: var(--text-muted); }
.header-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
.header-actions .btn-login {
  padding: 8px 22px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  font-size: 14px;
  transition: all var(--transition);
  white-space: nowrap;
}
.header-actions .btn-login:hover { border-color: var(--accent); color: var(--accent); }
.header-actions .btn-vip {
  padding: 8px 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-blue));
  border-radius: var(--radius-pill);
  color: #08111F;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  box-shadow: var(--shadow-accent);
  white-space: nowrap;
}
.header-actions .btn-vip:hover { filter: brightness(1.06); box-shadow: var(--shadow-accent-lg); }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  width: 40px; height: 40px;
  color: var(--text-primary);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.mobile-search { display: none; padding-bottom: 14px; }
.mobile-menu { display: none; }

.hero {
  position: relative;
  padding: 160px 0 80px;
  overflow: hidden;
  background: var(--bg-primary);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #0B1220 20%, rgba(11, 18, 32, 0.75) 70%, rgba(11, 18, 32, 0.35) 100%);
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; }
.hero-content h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.2;
  color: #F2F6FC;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  max-width: 520px;
}
.hero-content .hero-sub {
  font-size: 18px;
  color: #BCC8DA;
  max-width: 480px;
  margin-bottom: 32px;
  line-height: 1.6;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  max-width: 380px;
  margin-left: auto;
}
.hero-card h3 {
  font-size: 20px;
  font-weight: 650;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-card h3 i { color: var(--accent); }
.login-methods {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.login-methods a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  font-size: 14px;
  transition: all var(--transition);
}
.login-methods a:hover {
  border-color: var(--accent);
  background: rgba(0, 229, 160, 0.08);
  transform: translateX(4px);
}
.login-methods a i { width: 20px; color: var(--accent-blue); }
.hero-card .member-count {
  font-size: 13px;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
  margin-bottom: 0;
}
.hero-card .member-count strong { color: var(--gold); font-size: 16px; }
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-item strong {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.stat-item span {
  font-size: 13px;
  color: var(--text-muted);
}

.benefits-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, #0E1729 100%);
  position: relative;
}
.benefit-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  background: rgba(17, 27, 46, 0.6);
}
.benefit-table {
  width: 100%;
  min-width: 680px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}
.benefit-table th {
  background: rgba(22, 35, 61, 0.7);
  padding: 16px 20px;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  text-align: center;
  white-space: nowrap;
}
.benefit-table th:first-child { text-align: left; }
.benefit-table td {
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  text-align: center;
  white-space: nowrap;
}
.benefit-table td:first-child {
  text-align: left;
  color: var(--text-primary);
  font-weight: 500;
}
.benefit-table td i { font-size: 16px; }
.benefit-table .fa-check { color: var(--accent); }
.benefit-table .fa-xmark { color: rgba(255, 255, 255, 0.25); }
.benefit-table tr:last-child td { border-bottom: none; }
.benefit-table tr:hover td { background: rgba(0, 229, 160, 0.03); }
.benefits-cta { text-align: center; margin-top: 32px; }

.levels-section {
  background: var(--bg-primary);
}
.level-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.level-card {
  background: var(--glass-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  backdrop-filter: blur(14px);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.level-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 160, 0.45);
  box-shadow: 0 8px 32px rgba(0, 229, 160, 0.08);
}
.level-card .level-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
.level-card.silver .level-line { background: var(--silver); }
.level-card.gold .level-line { background: var(--gold); }
.level-card.platinum .level-line { background: var(--platinum); }
.level-card.diamond .level-line { background: var(--diamond); }
.level-card .level-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.level-card.silver .level-icon { background: rgba(192, 200, 212, 0.15); color: var(--silver); }
.level-card.gold .level-icon { background: rgba(232, 180, 90, 0.15); color: var(--gold); }
.level-card.platinum .level-icon { background: rgba(154, 184, 255, 0.15); color: var(--platinum); }
.level-card.diamond .level-icon { background: rgba(0, 229, 160, 0.15); color: var(--diamond); }
.level-card h3 { font-size: 20px; font-weight: 650; margin-bottom: 8px; color: var(--text-primary); }
.level-card .desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px; }
.level-card ul { list-style: none; padding: 0; margin: 0 0 20px; }
.level-card ul li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0 4px 20px;
  position: relative;
}
.level-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.level-card .enter-link {
  font-size: 14px;
  color: var(--accent);
  opacity: 0.8;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.level-card .enter-link:hover { opacity: 1; gap: 10px; }

.content-preview-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, #0E1729 100%);
}
.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.preview-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(14px);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.preview-card.featured {
  grid-column: span 2;
  grid-row: span 2;
}
.preview-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 160, 0.45);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}
.preview-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-hover), var(--bg-card));
}
.preview-card.featured .preview-cover { aspect-ratio: 16 / 10; }
.preview-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.preview-card:hover .preview-cover img { transform: scale(1.03); }
.preview-cover .tag {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(8, 17, 31, 0.85);
  color: var(--accent);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
}
.preview-body { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.preview-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin: 0;
}
.preview-card.featured .preview-body h3 { font-size: 22px; }
.preview-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.preview-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.news-section { background: var(--bg-primary); }
.news-list { display: flex; flex-direction: column; gap: 16px; max-width: 960px; margin: 0 auto; }
.news-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(14px);
  transition: all var(--transition);
}
.news-item:hover {
  border-color: rgba(0, 229, 160, 0.45);
  transform: translateX(4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}
.news-date {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(0, 229, 160, 0.08);
  border: 1px solid rgba(0, 229, 160, 0.2);
}
.news-date strong {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.news-date small { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.news-info { flex: 1; min-width: 0; }
.news-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-info p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-cat {
  flex-shrink: 0;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  background: rgba(35, 201, 255, 0.12);
  color: var(--accent-blue);
  white-space: nowrap;
}
.news-arrow {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.news-item:hover .news-arrow {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(-45deg);
}
.empty-tip {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  font-size: 15px;
}

.faq-section { background: var(--bg-primary); }
.faq-wrap { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(14px);
  transition: all var(--transition);
}
.faq-item:hover { border-color: rgba(0, 229, 160, 0.3); }
.faq-item .accordion-button {
  background: transparent;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 500;
  padding: 20px 24px;
  border: none;
  box-shadow: none;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: var(--radius-lg) !important;
}
.faq-item .accordion-button::after {
  display: none;
}
.faq-item .accordion-button .faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item .accordion-button:not(.collapsed) .faq-icon {
  transform: rotate(45deg);
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 229, 160, 0.1);
}
.faq-item .accordion-button:not(.collapsed) { color: var(--accent); }
.faq-item .accordion-body {
  background: #0F1A2E;
  padding: 16px 24px 24px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.cta-section {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(135deg, #0B1B30, #0A2A2A);
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  opacity: 0.2;
  z-index: 0;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-inner {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.25;
}
.cta-inner p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 32px;
}
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.site-footer {
  background: var(--bg-deep);
  padding-top: 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .brand-text { font-size: 20px; }
.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.7;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--accent); }
.footer-col .social-links {
  display: flex;
  gap: 10px;
}
.footer-col .social-links a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
  transition: all var(--transition);
}
.footer-col .social-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom .friend-links {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-bottom .friend-links a { color: var(--text-muted); }
.footer-bottom .friend-links a:hover { color: var(--accent); }

@media (max-width: 991.98px) {
  :root { --section-pad: 60px; }
  .header-inner { gap: 14px; }
  .nav-cats { order: 3; width: 100%; justify-content: flex-start; flex-wrap: wrap; }
  .header-search { order: 4; max-width: 100%; width: 100%; }
  .header-actions { margin-left: auto; }
  .hero-content h1 { font-size: 36px; }
  .level-cards { grid-template-columns: repeat(2, 1fr); }
  .preview-grid { grid-template-columns: repeat(2, 1fr); }
  .preview-card.featured { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  .header-inner { padding: 12px 0; }
  .header-search { display: none; }
  .nav-toggle { display: flex; }
  .mobile-search { display: block; }
  .nav-cats {
    display: none;
    order: 5;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding-top: 10px;
  }
  .nav-cats.open { display: flex; }
  .nav-cats a {
    padding: 10px 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }
  .nav-cats a.active::after { display: none; }
  .hero { padding: 130px 0 60px; }
  .hero-content h1 { font-size: 32px; }
  .hero-card { margin-left: 0; max-width: 100%; }
  .hero-stats { gap: 24px; }
  .level-cards { grid-template-columns: 1fr; }
  .preview-grid { grid-template-columns: 1fr; }
  .preview-card.featured { grid-column: span 1; }
  .news-item { flex-wrap: wrap; gap: 12px; }
  .news-date { width: 52px; height: 52px; }
  .news-info { flex-basis: calc(100% - 68px); }
  .news-info h3, .news-info p { white-space: normal; }
  .news-cat { order: 4; }
  .news-arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .section-head h2 { font-size: 26px; }
  .cta-inner h2 { font-size: 26px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --bg-primary: #0B1220;
            --bg-card: #111B2E;
            --bg-hover: #16233D;
            --bg-deep: #070D16;
            --accent-main: #00E5A0;
            --accent-blue: #23C9FF;
            --accent-gold: #E8B45A;
            --accent-danger: rgba(255, 90, 90, 0.8);
            --text-main: #EAF0F8;
            --text-sub: #9AA8BC;
            --text-weak: #5B6B81;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-glass: rgba(255, 255, 255, 0.12);
            --radius-main: 16px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-glow: 0 0 18px rgba(0, 229, 160, 0.35);
            --transition-base: all 0.25s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--text-main);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-main);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 0.5rem;
            color: var(--text-main);
        }
        p {
            margin: 0 0 1rem;
            color: var(--text-sub);
        }
        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .container-lg {
            max-width: 1280px;
        }

        /* ===== 区块间距 ===== */
        .section {
            padding: 80px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 30px;
            font-weight: 650;
            margin-bottom: 12px;
        }
        .section-title p {
            max-width: 640px;
            margin: 0 auto;
            color: var(--text-sub);
            font-size: 16px;
        }
        .section-title .title-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-main);
            background: rgba(0, 229, 160, 0.08);
            border: 1px solid rgba(0, 229, 160, 0.25);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        /* ===== Header 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 18, 32, 0.85);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid var(--border-light);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(6, 12, 24, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            padding-top: 12px;
            padding-bottom: 12px;
            flex-wrap: wrap;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-main), var(--accent-blue));
            color: #08111F;
            border-radius: 10px;
            font-size: 18px;
            box-shadow: 0 0 12px rgba(0, 229, 160, 0.25);
        }
        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .brand-text span {
            color: var(--accent-main);
        }
        .nav-cats {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-cats a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: var(--radius-pill);
            position: relative;
            transition: var(--transition-base);
        }
        .nav-cats a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-cats a.active {
            color: var(--accent-main);
            background: rgba(0, 229, 160, 0.08);
            box-shadow: inset 0 0 0 1px rgba(0, 229, 160, 0.3);
        }
        .header-search {
            flex: 1;
            min-width: 200px;
            max-width: 460px;
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-pill);
            padding: 0 8px 0 16px;
            height: 42px;
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            transition: var(--transition-base);
        }
        .header-search:focus-within {
            box-shadow: 0 0 0 4px rgba(0, 229, 160, 0.15);
            border-color: var(--accent-main);
        }
        .header-search i {
            color: var(--text-weak);
            font-size: 14px;
            margin-right: 10px;
        }
        .header-search input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            color: var(--text-main);
            font-size: 14px;
            padding: 0;
        }
        .header-search input::placeholder {
            color: var(--text-weak);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border: none;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn:focus,
        .btn:focus-visible {
            box-shadow: 0 0 0 4px rgba(0, 229, 160, 0.2);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-main), var(--accent-blue));
            color: #08111F;
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:hover {
            color: #08111F;
            filter: brightness(1.06);
            box-shadow: 0 0 26px rgba(0, 229, 160, 0.5);
            transform: translateY(-1px);
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: var(--text-main);
        }
        .btn-ghost:hover {
            border-color: var(--accent-main);
            color: var(--accent-main);
            background: rgba(0, 229, 160, 0.05);
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            padding: 72px 0 56px;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-primary);
            border-bottom: 1px solid var(--border-light);
        }
        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 18, 32, 0.95) 0%, rgba(11, 18, 32, 0.82) 60%, rgba(11, 18, 32, 0.5) 100%);
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat-hero .hero-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-main);
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.3);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }
        .cat-hero h1 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .cat-hero h1 .divider {
            color: var(--accent-main);
            font-weight: 300;
            margin: 0 6px;
        }
        .cat-hero p {
            font-size: 17px;
            color: #BCC8DA;
            max-width: 560px;
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 16px;
        }
        .breadcrumb-custom a {
            color: var(--text-weak);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent-main);
        }
        .breadcrumb-custom .sep {
            color: var(--text-weak);
        }
        .breadcrumb-custom .current {
            color: var(--text-sub);
        }

        /* ===== 服务概览卡片 ===== */
        .service-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .service-card {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.03));
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: var(--radius-main);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 160, 0.45);
            box-shadow: 0 12px 40px rgba(0, 229, 160, 0.08);
        }
        .service-card .card-icon {
            width: 52px;
            height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-main);
            background: rgba(0, 229, 160, 0.10);
            border: 1px solid rgba(0, 229, 160, 0.2);
            border-radius: 14px;
            margin-bottom: 18px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 图文区块 ===== */
        .about-service {
            background: var(--bg-card);
            border-radius: var(--radius-main);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .about-service .row {
            margin: 0;
        }
        .about-service .col-image,
        .about-service .col-content {
            padding: 0;
        }
        .about-service .col-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 340px;
            display: block;
        }
        .about-service .col-content {
            padding: 48px;
        }
        .about-service .col-content h2 {
            font-size: 26px;
            font-weight: 650;
            margin-bottom: 14px;
        }
        .about-service .col-content h2 span {
            color: var(--accent-main);
        }
        .about-service .col-content>p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-sub);
            margin-bottom: 18px;
        }
        .feature-list {
            margin-top: 20px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-sub);
            padding: 7px 0;
        }
        .feature-list li i {
            color: var(--accent-main);
            font-size: 13px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* ===== 流程步骤 ===== */
        .process-section {
            background: var(--bg-deep);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            counter-reset: step-count;
        }
        .process-step {
            position: relative;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-main);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition-base);
        }
        .process-step:hover {
            border-color: rgba(0, 229, 160, 0.35);
            transform: translateY(-4px);
        }
        .process-step .step-num {
            width: 44px;
            height: 44px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-main), var(--accent-blue));
            color: #08111F;
            box-shadow: 0 0 16px rgba(0, 229, 160, 0.3);
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .process-step::after {
            content: "";
            position: absolute;
            top: 50%;
            right: -32px;
            width: 32px;
            height: 1px;
            background: linear-gradient(90deg, rgba(0, 229, 160, 0.5), transparent);
        }
        .process-step:last-child::after {
            display: none;
        }

        /* ===== 统计数字 ===== */
        .stats-section {
            position: relative;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-primary);
        }
        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 18, 32, 0.92), rgba(17, 27, 46, 0.85));
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            padding: 36px 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .stat-item .stat-num {
            font-size: 40px;
            font-weight: 700;
            color: var(--accent-main);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            display: block;
            margin-bottom: 8px;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-sub);
        }

        /* ===== 服务权益 ===== */
        .perk-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-main);
            border: 1px solid var(--border-glass);
        }
        .perk-table {
            width: 100%;
            min-width: 720px;
            border-collapse: collapse;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .perk-table th,
        .perk-table td {
            padding: 18px 24px;
            text-align: center;
            font-size: 14px;
            border-bottom: 1px solid var(--border-light);
        }
        .perk-table th {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
        }
        .perk-table td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--text-main);
        }
        .perk-table .perk-icon {
            color: var(--accent-main);
            font-size: 15px;
        }
        .perk-table .perk-false {
            color: rgba(255, 255, 255, 0.25);
        }
        .perk-table .perk-gold {
            color: var(--accent-gold);
        }
        .perk-table tr:last-child td {
            border-bottom: none;
        }
        .perk-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-card);
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.03));
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-main);
            margin-bottom: 16px;
            overflow: hidden;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .faq-item .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 500;
            padding: 20px 24px;
            box-shadow: none;
            border: none;
            position: relative;
            gap: 12px;
        }
        .faq-item .accordion-button::after {
            display: none;
        }
        .faq-item .accordion-button .faq-icon {
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.25);
            color: var(--accent-main);
            font-size: 12px;
            flex-shrink: 0;
            position: relative;
            transition: transform 0.25s ease;
        }
        .faq-item .accordion-button:not(.collapsed) {
            color: var(--accent-main);
            background: rgba(0, 229, 160, 0.03);
        }
        .faq-item .accordion-button:not(.collapsed) .faq-icon {
            transform: rotate(45deg);
            background: var(--accent-main);
            color: #08111F;
            border-color: var(--accent-main);
        }
        .faq-item .accordion-body {
            background: #0F1A2E;
            border-radius: 0 0 var(--radius-main) var(--radius-main);
            padding: 8px 24px 20px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item .accordion-button:focus {
            box-shadow: none;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, #0A1628, #0E2A24);
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .cta-section p {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-light);
            padding: 64px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border-light);
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: var(--text-sub);
            font-size: 14px;
        }
        .footer-col ul a:hover {
            color: var(--accent-main);
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-light);
            color: var(--text-sub);
            font-size: 15px;
            transition: var(--transition-base);
        }
        .social-links a:hover {
            color: var(--accent-main);
            border-color: var(--accent-main);
            transform: translateY(-2px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 24px 0 28px;
        }
        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: var(--text-weak);
        }
        .footer-bottom a {
            color: var(--text-weak);
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: var(--accent-main);
        }
        .friend-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .header-inner {
                gap: 12px;
            }
            .nav-cats a {
                padding: 7px 12px;
                font-size: 14px;
            }
        }
        @media (max-width: 991.98px) {
            .header-inner {
                row-gap: 10px;
            }
            .nav-cats {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 6px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .nav-cats::-webkit-scrollbar {
                display: none;
            }
            .header-search {
                order: 2;
                max-width: 100%;
            }
            .header-actions {
                order: 1;
                margin-left: auto;
            }
            .service-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .process-step::after {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cat-hero h1 {
                font-size: 30px;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 24px;
            }
            .brand-text {
                font-size: 16px;
            }
            .header-inner {
                padding-top: 10px;
                padding-bottom: 10px;
            }
            .header-actions .btn {
                padding: 7px 14px;
                font-size: 13px;
            }
            .header-search {
                height: 40px;
            }
            .cat-hero {
                padding: 56px 0 44px;
            }
            .cat-hero h1 {
                font-size: 26px;
            }
            .cat-hero p {
                font-size: 15px;
            }
            .breadcrumb-custom {
                font-size: 12px;
                flex-wrap: wrap;
            }
            .service-cards {
                grid-template-columns: 1fr;
            }
            .about-service .col-content {
                padding: 32px 24px;
            }
            .about-service .col-image img {
                min-height: 220px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item .stat-num {
                font-size: 30px;
            }
            .perk-table th,
            .perk-table td {
                padding: 14px 16px;
                font-size: 13px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-btns {
                flex-direction: column;
                align-items: center;
            }
            .cta-btns .btn {
                width: 100%;
                max-width: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .friend-links {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .header-actions .btn-ghost {
                display: none;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
  --color-bg: #0B1220;
  --color-bg-card: #111B2E;
  --color-bg-hover: #16233D;
  --color-primary: #00E5A0;
  --color-accent: #23C9FF;
  --color-gold: #E8B45A;
  --color-text: #EAF0F8;
  --color-text-secondary: #9AA8BC;
  --color-text-weak: #5B6B81;
  --border-color: rgba(255,255,255,0.10);
  --border-light: rgba(255,255,255,0.18);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0,0,0,0.28);
  --shadow-primary: 0 8px 32px rgba(0,229,160,0.12);
  --transition: 0.25s ease;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; }
.btn { border-radius: 999px; font-weight: 600; transition: all var(--transition); border: none; }
.btn:focus, .btn:focus-visible { box-shadow: 0 0 0 3px rgba(0,229,160,0.35); outline: none; }
.btn-primary {
  background: linear-gradient(135deg, #00E5A0, #23C9FF);
  color: #08111F;
  border: none;
  box-shadow: 0 0 18px rgba(0,229,160,0.35);
  padding: 10px 26px;
}
.btn-primary:hover { background: linear-gradient(135deg, #12f2b0, #38d4ff); color: #08111F; box-shadow: 0 0 26px rgba(0,229,160,0.5); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: #EAF0F8;
  padding: 10px 22px;
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(0,229,160,0.06); }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(10,18,32,0.85);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(6,12,24,0.95);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  border-bottom-color: rgba(255,255,255,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #00E5A0, #23C9FF);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #08111F;
  font-size: 18px;
  box-shadow: 0 0 16px rgba(0,229,160,0.3);
}
.brand-text {
  font-size: 18px;
  font-weight: 700;
  color: #EAF0F8;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.nav-cats {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}
.nav-cats a {
  position: relative;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}
.nav-cats a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.nav-cats a.active {
  color: var(--color-primary);
  background: rgba(0,229,160,0.10);
  box-shadow: inset 0 0 0 1px rgba(0,229,160,0.25);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.search-form {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 0 16px;
  height: 42px;
  width: 300px;
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  transition: all var(--transition);
}
.search-form i { color: var(--color-text-secondary); font-size: 14px; }
.search-form input {
  flex: 1;
  background: transparent;
  border: none;
  color: #EAF0F8;
  font-size: 14px;
  outline: none;
}
.search-form input::placeholder { color: var(--color-text-weak); }
.search-form:focus-within {
  border-color: rgba(0,229,160,0.45);
  box-shadow: 0 0 0 4px rgba(0,229,160,0.15);
}

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 64px 0 56px;
  isolation: isolate;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,18,32,0.92) 20%, rgba(11,18,32,0.78) 70%, rgba(11,18,32,0.55) 100%);
  z-index: -1;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-weak);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.breadcrumb-nav a { color: var(--color-text-secondary); }
.breadcrumb-nav a:hover { color: var(--color-primary); }
.breadcrumb-nav .sep { color: var(--color-text-weak); opacity: 0.6; }
.breadcrumb-nav .current { color: var(--color-text); }
.article-heading h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  color: #F2F6FC;
  margin: 0 0 18px;
  max-width: 800px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  color: var(--color-text-secondary);
  backdrop-filter: blur(10px);
}
.meta-badge i { color: var(--color-primary); font-size: 12px; }

/* ===== Article Body ===== */
.article-content-section {
  padding: 56px 0 40px;
}
.article-body-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.article-body {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 40px 44px;
  box-shadow: var(--shadow);
  line-height: 1.8;
  font-size: 16px;
  color: #D6E0EE;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 650;
  color: #F2F6FC;
  margin: 32px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: #EAF0F8;
  margin: 24px 0 12px;
}
.article-body p { margin: 0 0 16px; }
.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 20px 0;
  box-shadow: var(--shadow);
}
.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  background: rgba(0,229,160,0.06);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 20px 0;
  color: #BCC8DA;
}
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 24px; }
.article-body li { margin-bottom: 6px; }
.article-body strong { color: #F2F6FC; font-weight: 600; }
.article-body a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: #fff; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}
.article-body table th,
.article-body table td {
  border: 1px solid rgba(255,255,255,0.10);
  padding: 12px 14px;
  text-align: left;
}
.article-body table th { background: rgba(255,255,255,0.05); color: #F2F6FC; font-weight: 600; }
.article-body code {
  background: rgba(0,229,160,0.10);
  color: var(--color-primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}
.article-body pre {
  background: #08111F;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 18px;
  overflow-x: auto;
  margin: 20px 0;
}
.article-body pre code { background: none; color: #BCC8DA; padding: 0; }

/* ===== Not Found ===== */
.not-found {
  text-align: center;
  padding: 60px 20px;
}
.not-found h2 { font-size: 28px; color: #F2F6FC; margin-bottom: 12px; }
.not-found p { color: var(--color-text-secondary); margin-bottom: 24px; }

/* ===== Article End ===== */
.article-end-section {
  padding: 20px 0 56px;
}
.article-end-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.article-tags .tag {
  display: inline-flex;
  align-items: center;
  background: rgba(0,229,160,0.08);
  border: 1px solid rgba(0,229,160,0.20);
  color: var(--color-primary);
  font-size: 13px;
  border-radius: 999px;
  padding: 5px 14px;
  transition: all var(--transition);
}
.article-tags .tag:hover { background: rgba(0,229,160,0.15); box-shadow: 0 0 12px rgba(0,229,160,0.15); }
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.post-nav-btn {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: all var(--transition);
}
.post-nav-btn:hover {
  border-color: rgba(0,229,160,0.35);
  box-shadow: var(--shadow-primary);
  transform: translateY(-2px);
  background: var(--color-bg-hover);
}
.post-nav-label {
  font-size: 13px;
  color: var(--color-text-weak);
}
.post-nav-title {
  font-size: 15px;
  font-weight: 600;
  color: #EAF0F8;
}
.text-end { text-align: right; }

/* ===== Related ===== */
.related-section {
  padding: 64px 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, #0d1526 50%, var(--color-bg) 100%);
  border-top: 1px solid rgba(255,255,255,0.04);
}
.section-title {
  font-size: 30px;
  font-weight: 650;
  color: #F2F6FC;
  margin-bottom: 36px;
  position: relative;
  padding-left: 18px;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 26px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  border-radius: 4px;
}
.related-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,160,0.40);
  box-shadow: var(--shadow-primary);
}
.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.related-card-body {
  padding: 20px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.related-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: #EAF0F8;
  margin: 0 0 8px;
  line-height: 1.4;
}
.related-card-body p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0 0 14px;
  flex: 1;
  line-height: 1.6;
}
.related-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}
.related-link:hover { color: #fff; }

/* ===== CTA ===== */
.cta-section {
  padding: 70px 0;
  background: linear-gradient(135deg, #0d1a2e, #0f2b24, #0B1220);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  opacity: 0.12;
}
.cta-inner {
  position: relative;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  padding: 20px;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 700;
  color: #F2F6FC;
  margin-bottom: 12px;
}
.cta-inner p { color: var(--color-text-secondary); font-size: 16px; margin-bottom: 28px; }
.cta-inner .btn-primary { padding: 14px 40px; font-size: 16px; }

/* ===== Footer ===== */
.site-footer {
  background: #070D16;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 56px 0 24px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { color: var(--color-text-weak); line-height: 1.7; font-size: 14px; margin: 0; max-width: 320px; }
.footer-col h4 {
  font-size: 16px;
  color: #EAF0F8;
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: var(--color-text-secondary); font-size: 14px; }
.footer-col ul a:hover { color: var(--color-primary); }
.social-links {
  display: flex;
  gap: 12px;
}
.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: 16px;
  transition: all var(--transition);
}
.social-links a:hover {
  color: var(--color-primary);
  border-color: rgba(0,229,160,0.40);
  box-shadow: 0 0 14px rgba(0,229,160,0.15);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  color: var(--color-text-weak);
  font-size: 13px;
}
.footer-bottom p { margin: 0; }
.footer-bottom a { color: var(--color-text-weak); }
.footer-bottom a:hover { color: var(--color-primary); }
.friend-links a { margin-right: 8px; }

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .header-inner { flex-wrap: wrap; }
  .nav-cats { order: 3; flex: 0 0 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: 4px; }
  .nav-cats a { white-space: nowrap; }
  .search-form { width: 100%; max-width: 320px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .header-inner { gap: 12px; }
  .header-actions { width: 100%; }
  .search-form { flex: 1; width: auto; order: 2; }
  .btn-ghost, .btn-primary { padding: 8px 16px; font-size: 14px; }
  .article-hero { padding: 40px 0 36px; }
  .article-heading h1 { font-size: 26px; }
  .article-body { padding: 24px 20px; border-radius: 12px; }
  .article-body h2 { font-size: 22px; }
  .article-body h3 { font-size: 18px; }
  .post-nav { grid-template-columns: 1fr; }
  .text-end { text-align: left; }
  .related-section { padding: 48px 0; }
  .section-title { font-size: 24px; }
  .cta-inner h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .search-form { order: 3; flex-basis: 100%; margin-top: 4px; }
  .header-actions { flex-wrap: wrap; }
}
@media (max-width: 520px) {
  .brand-text { font-size: 15px; }
  .brand-icon { width: 32px; height: 32px; font-size: 15px; }
  .nav-cats { gap: 2px; }
  .nav-cats a { padding: 6px 10px; font-size: 13px; }
  .meta-badge { font-size: 12px; padding: 4px 10px; }
  .article-heading h1 { font-size: 22px; }
  .btn-ghost, .btn-primary { padding: 7px 14px; font-size: 13px; }
}

/* roulang page: category2 */
:root {
  --bg-deep: #0B1220;
  --bg-card: #111B2E;
  --bg-hover: #16233D;
  --primary: #00E5A0;
  --secondary: #23C9FF;
  --accent: #E8B45A;
  --text-primary: #EAF0F8;
  --text-secondary: #9AA8BC;
  --text-muted: #5B6B81;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
  --shadow-glow: 0 0 18px rgba(0, 229, 160, 0.35);
  --transition: 0.25s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg-deep);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: var(--secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; }
section[id], div[id] { scroll-margin-top: 96px; }

.section { padding: 80px 0; position: relative; }
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 650;
  line-height: 1.3;
  margin: 14px 0 12px;
  color: var(--text-primary);
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.25);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  background: rgba(10, 18, 32, 0.85);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.35s ease, box-shadow 0.35s ease;
}
.site-header.header-scrolled {
  background: rgba(6, 12, 24, 0.95);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #08111F;
  font-size: 18px;
  box-shadow: 0 0 14px rgba(0, 229, 160, 0.3);
}
.brand-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.nav-cats {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.nav-cats a {
  position: relative;
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.nav-cats a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}
.nav-cats a.active {
  color: #08111F;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  font-weight: 600;
  box-shadow: 0 0 14px rgba(0, 229, 160, 0.25);
}
.header-search {
  flex: 1;
  max-width: 420px;
  margin-left: auto;
}
.search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  height: 44px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.search-form:focus-within {
  border-color: rgba(0, 229, 160, 0.55);
  box-shadow: 0 0 0 4px rgba(0, 229, 160, 0.15);
}
.search-form .search-icon {
  color: var(--text-secondary);
  font-size: 15px;
  flex-shrink: 0;
}
.search-form .form-control {
  flex: 1;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  box-shadow: none;
}
.search-form .form-control::placeholder {
  color: var(--text-muted);
}
.search-form .form-control:focus {
  outline: none;
  box-shadow: none;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn {
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 22px;
  transition: all var(--transition);
  border: 0;
}
.btn-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #08111F;
  box-shadow: var(--shadow-glow);
}
.btn-gradient:hover,
.btn-gradient:focus {
  color: #08111F;
  filter: brightness(1.08);
  box-shadow: 0 0 26px rgba(0, 229, 160, 0.45);
  transform: translateY(-1px);
}
.btn-ghost-login {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--text-primary);
}
.btn-ghost-login:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline-line {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--text-primary);
}
.btn-outline-line:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 14px rgba(0, 229, 160, 0.12);
}
.btn-lg {
  padding: 14px 34px;
  font-size: 16px;
}
.navbar-toggler-custom {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  padding: 10px;
  cursor: pointer;
}
.navbar-toggler-custom .toggler-bar {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}

.page-hero {
  position: relative;
  padding: 140px 0 56px;
  background: linear-gradient(90deg, #0B1220 15%, rgba(11, 18, 32, 0.75) 65%, rgba(11, 18, 32, 0.35) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.page-hero .breadcrumb-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.page-hero .breadcrumb-line a { color: var(--text-secondary); }
.page-hero .breadcrumb-line a:hover { color: var(--primary); }
.page-hero h1 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 16px;
  color: var(--text-primary);
}
.page-hero h1 .h1-sep {
  color: var(--primary);
  margin: 0 6px;
  font-weight: 300;
}
.page-hero .page-hero-desc {
  max-width: 620px;
  font-size: 16px;
  line-height: 1.8;
  color: #BCC8DA;
  margin-bottom: 28px;
}
.page-hero .page-hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.page-anchor-nav {
  background: rgba(17, 27, 46, 0.6);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
  position: sticky;
  top: 72px;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.page-anchor-nav .container {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.page-anchor-nav a {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: all var(--transition);
}
.page-anchor-nav a:hover {
  color: var(--primary);
  border-color: rgba(0, 229, 160, 0.3);
  background: rgba(0, 229, 160, 0.06);
}

.benefits-overview {
  background: var(--bg-deep);
}
.benefit-card {
  height: 100%;
  padding: 28px 24px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}
.benefit-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 160, 0.45);
  box-shadow: 0 12px 36px rgba(0, 229, 160, 0.08);
}
.benefit-card .benefit-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  background: rgba(0, 229, 160, 0.12);
  border: 1px solid rgba(0, 229, 160, 0.2);
  margin-bottom: 20px;
}
.benefit-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.benefit-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0;
}

.compare-plan {
  background: linear-gradient(180deg, var(--bg-deep), rgba(17, 27, 46, 0.55), var(--bg-deep));
}
.plan-table-wrap {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}
.plan-table {
  margin: 0;
  --bs-table-bg: transparent;
  color: var(--text-primary);
  vertical-align: middle;
  border-color: var(--border-subtle);
}
.plan-table thead th {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 16px;
  white-space: nowrap;
}
.plan-table tbody th {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.plan-table tbody td {
  text-align: center;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.plan-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}
.plan-highlight {
  background: rgba(0, 229, 160, 0.04) !important;
}
.check-icon { color: var(--primary); font-size: 16px; }
.deny-icon { color: rgba(255, 255, 255, 0.25); font-size: 14px; }
.plan-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  background: rgba(0, 229, 160, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 229, 160, 0.2);
}
.plan-table-tip {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 18px;
}
.plan-cta {
  text-align: center;
  margin-top: 28px;
}

.level-gallery { background: var(--bg-deep); }
.level-card {
  position: relative;
  height: 100%;
  padding: 32px 24px 28px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.level-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}
.level-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 229, 160, 0.08);
}
.level-silver::before { background: #C0C8D4; }
.level-gold::before { background: #E8C37B; }
.level-platinum::before { background: #9AB8FF; }
.level-diamond::before { background: var(--primary); }
.level-card .level-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.level-card .level-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.level-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}
.level-card ul li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}
.level-card ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--primary);
  font-size: 12px;
}
.level-card .level-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
}
.level-card .level-link:hover { color: var(--primary); }

.scenario-cards {
  background: linear-gradient(180deg, var(--bg-deep), rgba(17, 27, 46, 0.4), var(--bg-deep));
}
.scenario-card {
  height: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}
.scenario-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 160, 0.4);
}
.scenario-card .scenario-img {
  height: 200px;
  overflow: hidden;
}
.scenario-card .scenario-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.scenario-card:hover .scenario-img img { transform: scale(1.04); }
.scenario-card .scenario-body { padding: 24px; }
.scenario-card h3 { font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: 10px; }
.scenario-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 16px; }
.scenario-card .text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.scenario-card .text-link:hover { color: var(--secondary); }

.flow-steps { background: var(--bg-deep); }
.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.step-item {
  position: relative;
  padding: 32px 24px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.step-item:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 160, 0.4);
}
.step-item .step-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.9;
  letter-spacing: 1px;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}
.step-item h3 { font-size: 17px; font-weight: 600; color: var(--text-primary); margin-bottom: 10px; }
.step-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin: 0; }
.steps-row .step-item:not(:last-child)::after {
  content: '\f054';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.25);
  font-size: 13px;
  z-index: 2;
}

.faq-section {
  background: linear-gradient(180deg, var(--bg-deep), rgba(17, 27, 46, 0.5), var(--bg-deep));
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.accordion-item {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
  overflow: hidden;
}
.accordion-item:first-of-type { border-radius: var(--radius-lg); }
.accordion-item:last-of-type { border-radius: var(--radius-lg); }
.accordion-button {
  background: transparent;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  padding: 18px 24px;
  box-shadow: none;
  border: 0;
}
.accordion-button:not(.collapsed) {
  background: rgba(0, 229, 160, 0.06);
  color: var(--primary);
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: 0 0 0 4px rgba(0, 229, 160, 0.12);
}
.accordion-button::after {
  background-image: none;
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  content: '\f067';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  font-size: 12px;
  transition: all var(--transition);
}
.accordion-button:not(.collapsed)::after {
  background-image: none;
  content: '\f00d';
  color: var(--primary);
  background: rgba(0, 229, 160, 0.14);
  transform: rotate(0deg);
}
.accordion-body {
  background: #0F1A2E;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  padding: 20px 24px;
  border-top: 1px solid var(--border-subtle);
}

.cta-banner {
  padding: 0;
  background: transparent;
}
.cta-inner {
  background: linear-gradient(135deg, #0E1B30, #0B2B26);
  border: 1px solid rgba(0, 229, 160, 0.15);
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
.cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}
.cta-inner .cta-content { position: relative; z-index: 1; }
.cta-inner h2 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.cta-inner p {
  font-size: 16px;
  color: #AFC0D4;
  max-width: 620px;
  margin: 0 auto 32px;
}
.cta-inner .cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 700;
  transition: all var(--transition);
}
.cta-btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #08111F;
  box-shadow: 0 0 28px rgba(0, 229, 160, 0.4);
}
.cta-btn-primary:hover {
  color: #08111F;
  filter: brightness(1.06);
  box-shadow: 0 0 36px rgba(0, 229, 160, 0.55);
  transform: translateY(-2px);
}
.cta-btn-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--text-primary);
}
.cta-btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.site-footer {
  background: #070D16;
  border-top: 1px solid var(--border-subtle);
  padding: 56px 0 0;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.site-footer .brand {
  margin-bottom: 14px;
}
.site-footer .brand .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-size: 15px;
}
.site-footer .brand-text {
  font-size: 16px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
  max-width: 340px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a,
.footer-col .social-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.footer-col ul a:hover,
.footer-col .social-links a:hover { color: var(--primary); }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.03);
  font-size: 14px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }
.friend-links { display: flex; gap: 16px; }

@media (max-width: 991.98px) {
  .header-inner { flex-wrap: wrap; gap: 14px; }
  .header-search { order: 3; flex: 0 0 100%; max-width: 100%; }
  .navbar-toggler-custom { display: flex; }
  .nav-cats {
    display: none;
    order: 4;
    flex: 0 0 100%;
    flex-direction: column;
    align-items: stretch;
    background: rgba(6, 12, 24, 0.97);
    border-radius: var(--radius-lg);
    padding: 12px;
    border: 1px solid var(--border-strong);
  }
  .nav-cats.nav-open { display: flex; }
  .nav-cats a { text-align: center; }
  .header-actions { margin-left: auto; }
  .section { padding: 56px 0; }
  .steps-row { grid-template-columns: repeat(2, 1fr); }
  .steps-row .step-item:nth-child(2)::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767.98px) {
  .page-hero { padding: 120px 0 44px; }
  .page-hero h1 { font-size: 28px; }
  .section-head h2 { font-size: 24px; }
  .step-item { padding: 24px 20px; }
  .step-item .step-num { font-size: 24px; }
  .cta-inner { padding: 44px 24px; }
  .cta-inner h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .plan-table-wrap { padding: 12px; }
  .plan-table { min-width: 640px; }
  .table-responsive { overflow-x: auto; }
  .steps-row { grid-template-columns: 1fr; }
  .steps-row .step-item::after { display: none; }
  .page-anchor-nav { top: 64px; }
  .btn { padding: 8px 18px; font-size: 13px; }
  .btn-lg { padding: 12px 26px; font-size: 15px; }
}

@media (max-width: 575.98px) {
  .header-actions .btn { display: none; }
  .header-actions .btn-gradient { display: inline-flex; }
  .brand-text { font-size: 14px; }
  .brand-icon { width: 34px; height: 34px; font-size: 15px; }
  .page-anchor-nav { overflow-x: auto; white-space: nowrap; }
  .page-anchor-nav .container { flex-wrap: nowrap; }
  .footer-bottom p { font-size: 12px; }
}

/* roulang page: category3 */
:root {
  --bg-deep: #0B1220;
  --bg-card: #111B2E;
  --bg-hover: #16233D;
  --bg-elevated: rgba(255,255,255,0.05);
  --brand-primary: #00E5A0;
  --brand-secondary: #23C9FF;
  --gold: #E8B45A;
  --text-main: #EAF0F8;
  --text-muted: #9AA8BC;
  --text-weak: #5B6B81;
  --border-light: rgba(255,255,255,0.08);
  --border-glass: rgba(255,255,255,0.12);
  --radius-card: 16px;
  --radius-btn: 999px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.28);
  --shadow-glow: 0 0 18px rgba(0,229,160,0.35);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color .25s ease, border-color .25s ease, background-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

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

img {
  max-width: 100%;
  height: auto;
  border: 0;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.5;
}

.container {
  max-width: 1200px;
}

.section {
  padding: 80px 0;
}

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

.section-head.text-start {
  text-align: left;
}

.section-tag {
  display: inline-block;
  padding: 5px 16px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: rgba(0, 229, 160, .1);
  border: 1px solid rgba(0, 229, 160, .3);
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 650;
  line-height: 1.25;
  color: var(--text-main);
  margin: 0 0 12px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

.section-head.text-start p {
  margin: 0;
}

/* ===== 按钮体系 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  line-height: 1.4;
  padding: 12px 28px;
  border: 1px solid transparent;
  transition: all .25s ease;
  letter-spacing: .02em;
  white-space: nowrap;
}

.btn:focus, .btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 229, 160, .15);
}

.btn-primary {
  background: linear-gradient(135deg, #00E5A0, #23C9FF);
  color: #08111F;
  border: 0;
  box-shadow: 0 0 18px rgba(0, 229, 160, .35);
}

.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(135deg, #1af0af, #3ed3ff);
  color: #08111F;
  transform: translateY(-2px);
  box-shadow: 0 0 26px rgba(0, 229, 160, .5);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .35);
  color: var(--text-main);
}

.btn-outline:hover, .btn-outline:focus {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  box-shadow: 0 0 12px rgba(0, 229, 160, .12);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  color: var(--text-main);
  padding: 9px 22px;
}

.btn-ghost:hover, .btn-ghost:focus {
  background: rgba(0, 229, 160, .1);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.btn-lg {
  padding: 14px 38px;
  font-size: 17px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1090;
  background: rgba(10, 18, 32, .85);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  transition: background .3s ease, box-shadow .3s ease;
}

.site-header.scrolled {
  background: rgba(6, 12, 24, .95);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
}

.header-main {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 0;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #00E5A0, #23C9FF);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #08111F;
  font-size: 18px;
  box-shadow: 0 0 14px rgba(0, 229, 160, .3);
}

.brand-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: .02em;
  line-height: 1.2;
  white-space: nowrap;
}

.header-search {
  flex: 1;
  min-width: 220px;
  max-width: 480px;
}

.search-form {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  padding: 6px 8px 6px 18px;
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  transition: border-color .25s ease, box-shadow .25s ease;
}

.search-form:focus-within {
  border-color: rgba(0, 229, 160, .6);
  box-shadow: 0 0 0 4px rgba(0, 229, 160, .15);
}

.search-form i {
  color: var(--text-muted);
  font-size: 15px;
  margin-right: 10px;
}

.search-form input {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--text-main);
  font-size: 14px;
  padding: 6px 0;
  min-width: 0;
}

.search-form input:focus {
  outline: none;
  box-shadow: none;
  background: transparent;
  color: var(--text-main);
}

.search-form input::placeholder {
  color: var(--text-weak);
}

.search-submit {
  background: linear-gradient(135deg, #00E5A0, #23C9FF);
  color: #08111F;
  border: 0;
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s ease;
  flex-shrink: 0;
}

.search-submit:hover {
  transform: scale(1.04);
  box-shadow: 0 0 12px rgba(0, 229, 160, .35);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex-shrink: 0;
}

.header-nav-row {
  border-top: 1px solid rgba(255, 255, 255, .06);
  padding: 4px 0;
}

.nav-cats {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-cats::-webkit-scrollbar {
  display: none;
}

.nav-cats a {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  position: relative;
  transition: all .25s ease;
}

.nav-cats a:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, .06);
}

.nav-cats a.active {
  color: var(--brand-primary);
  background: rgba(0, 229, 160, .1);
  border: 1px solid rgba(0, 229, 160, .3);
}

/* ===== 页面 Hero ===== */
.page-hero {
  position: relative;
  padding: 70px 0;
  min-height: 300px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.page-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,18,32,.95) 10%, rgba(11,18,32,.82) 55%, rgba(11,18,32,.45) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.page-hero .hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 229, 160, .12);
  border: 1px solid rgba(0, 229, 160, .3);
  color: var(--brand-primary);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: .03em;
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.25;
  color: #F2F6FC;
  margin-bottom: 16px;
}

.page-hero p.lead {
  font-size: 17px;
  line-height: 1.8;
  color: #BCC8DA;
  max-width: 560px;
  margin-bottom: 28px;
}

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

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  margin-top: 40px;
}

.hero-stat {
  text-align: left;
}

.hero-stat .num {
  font-size: 26px;
  font-weight: 700;
  color: var(--brand-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.hero-stat .label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ===== 玻璃卡片 ===== */
.glass-card {
  background: linear-gradient(135deg, rgba(255,255,255,.1), rgba(255,255,255,.03));
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: all .25s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 160, .45);
  box-shadow: 0 12px 36px rgba(0, 0, 0, .32), 0 0 24px rgba(0, 229, 160, .08);
}

/* ===== 服务卡片 ===== */
.service-card {
  padding: 32px 28px;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0,229,160,.6), transparent);
  opacity: 0;
  transition: opacity .3s ease;
}

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

.service-card-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0,229,160,.18), rgba(35,201,255,.14));
  border: 1px solid rgba(0,229,160,.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--brand-primary);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}

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

/* ===== 流程 ===== */
.flow-section {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.02));
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: flow;
}

.flow-step {
  position: relative;
  padding: 32px 26px;
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.1);
  transition: all .25s ease;
  overflow: hidden;
}

.flow-step:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,160,.4);
  box-shadow: 0 12px 32px rgba(0,0,0,.28);
}

.flow-step .step-num {
  font-size: 44px;
  font-weight: 700;
  color: rgba(0,229,160,.25);
  line-height: 1;
  margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
}

.flow-step h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}

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

.flow-step::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -16px;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, rgba(0,229,160,.4), rgba(35,201,255,.4));
  border-radius: 2px;
}

.flow-step:last-child::after {
  display: none;
}

/* ===== 场景 ===== */
.scenarios-section {
  background: var(--bg-deep);
}

.scenario-media {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.scenario-media img {
  width: 100%;
  min-height: 320px;
  object-fit: cover;
  display: block;
}

.scenario-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11,18,32,.65));
  pointer-events: none;
}

.scenario-note {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(11, 18, 32, .75);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-main);
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}

.scenario-note i {
  color: var(--brand-primary);
}

.scenario-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 4px;
}

.scenario-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 22px;
  background: linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 14px;
  transition: all .25s ease;
}

.scenario-item:hover {
  border-color: rgba(0,229,160,.35);
  background: linear-gradient(135deg, rgba(0,229,160,.06), rgba(255,255,255,.02));
  transform: translateX(4px);
}

.scenario-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  background: rgba(0,229,160,.12);
  border: 1px solid rgba(0,229,160,.28);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--brand-primary);
}

.scenario-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

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

/* ===== 优势 ===== */
.advantages-section {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.02));
}

.advantage-card {
  padding: 34px 30px;
  text-align: center;
  height: 100%;
}

.advantage-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(35,201,255,.18), rgba(0,229,160,.14));
  border: 1px solid rgba(35,201,255,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--brand-secondary);
}

.advantage-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}

.advantage-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}

.adv-stats {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.adv-stat {
  text-align: center;
}

.adv-stat .num {
  font-size: 28px;
  font-weight: 700;
  color: var(--brand-primary);
  font-variant-numeric: tabular-nums;
}

.adv-stat .label {
  font-size: 13px;
  color: var(--text-muted);
}

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

.accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.accordion-item {
  background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid rgba(255, 255, 255, .1) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 12px !important;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
  transition: border-color .25s ease;
}

.accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: rgba(0,229,160,.35) !important;
}

.accordion-header {
  margin: 0;
}

.accordion-button {
  background: transparent;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  padding: 20px 24px;
  border: 0;
  box-shadow: none;
  transition: color .25s ease, background .25s ease;
}

.accordion-button:focus {
  box-shadow: none;
  outline: none;
}

.accordion-button:not(.collapsed) {
  background: rgba(0, 229, 160, .04);
  color: var(--brand-primary);
  box-shadow: none;
}

.accordion-button::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  background: none;
  width: auto;
  height: auto;
  font-size: 15px;
  color: var(--text-muted);
  transition: transform .3s ease, color .3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.accordion-button:not(.collapsed)::after {
  content: "\f00d";
  transform: none;
  color: var(--brand-primary);
}

.accordion-button:hover::after {
  color: var(--brand-primary);
}

.accordion-body {
  background: #0F1A2E;
  padding: 22px 24px;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
}

.cta-box {
  position: relative;
  background: linear-gradient(135deg, #0D1B34, #0E2A2A);
  border-radius: 24px;
  padding: 68px 40px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: .12;
  pointer-events: none;
}

.cta-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13,27,52,.85), rgba(14,42,42,.85));
  pointer-events: none;
}

.cta-box > * {
  position: relative;
  z-index: 1;
}

.cta-box h2 {
  font-size: 30px;
  font-weight: 700;
  color: #F2F6FC;
  margin-bottom: 14px;
}

.cta-box p {
  font-size: 16px;
  color: #BCC8DA;
  max-width: 560px;
  margin: 0 auto 30px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #070D16;
  border-top: 1px solid rgba(255,255,255,.05);
  padding: 56px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr .8fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 320px;
  margin: 0;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: .02em;
}

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

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

.footer-col ul a {
  display: inline-block;
  font-size: 14px;
  color: var(--text-muted);
  transition: color .25s ease, transform .25s ease;
}

.footer-col ul a:hover {
  color: var(--brand-primary);
  transform: translateX(3px);
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 16px;
  transition: all .25s ease;
}

.social-links a:hover {
  color: var(--brand-primary);
  border-color: rgba(0,229,160,.4);
  background: rgba(0,229,160,.08);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  color: var(--text-weak);
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  color: var(--text-weak);
  font-size: 13px;
}

.footer-bottom a:hover {
  color: var(--brand-primary);
}

.friend-links {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .section {
    padding: 56px 0;
  }

  .header-main {
    gap: 14px;
  }

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

  .header-actions {
    margin-left: 0;
  }

  .header-nav-row {
    order: 4;
  }

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

  .flow-step::after {
    display: none;
  }

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

  .page-hero {
    padding: 56px 0;
    min-height: auto;
  }

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

@media (max-width: 767.98px) {
  .section {
    padding: 48px 0;
  }

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

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

  .page-hero {
    padding: 48px 0;
  }

  .page-hero h1 {
    font-size: 28px;
    line-height: 1.3;
  }

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

  .hero-stats {
    gap: 20px;
  }

  .hero-stat .num {
    font-size: 22px;
  }

  .header-main {
    flex-wrap: wrap;
  }

  .brand-text {
    font-size: 16px;
  }

  .header-actions .btn {
    padding: 8px 16px;
    font-size: 13px;
  }

  .header-search {
    min-width: 100%;
    order: 3;
  }

  .header-nav-row {
    order: 4;
  }

  .nav-cats a {
    padding: 8px 14px;
    font-size: 14px;
  }

  .service-card {
    padding: 24px 20px;
  }

  .flow-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .scenario-media img {
    min-height: 200px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .cta-box {
    padding: 40px 24px;
  }

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

  .cta-box p {
    font-size: 14px;
  }

  .advantages-section .row {
    row-gap: 16px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (max-width: 520px) {
  .header-actions {
    gap: 6px;
  }

  .header-actions .btn-ghost {
    padding: 7px 14px;
    font-size: 12px;
  }

  .header-actions .btn-sm {
    padding: 7px 14px;
    font-size: 12px;
  }

  .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 15px;
    border-radius: 10px;
  }

  .brand-text {
    font-size: 15px;
  }

  .page-hero h1 {
    font-size: 24px;
  }

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

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

  .search-form {
    padding: 4px 6px 4px 14px;
  }

  .search-submit {
    padding: 7px 14px;
    font-size: 13px;
  }

  .adv-stats {
    gap: 20px;
  }

  .adv-stat .num {
    font-size: 22px;
  }
}