/* roulang page: index */
:root {
  --bg-deep: #05080F;
  --bg-body: #08101E;
  --surface-1: #0D1626;
  --surface-2: #111C30;
  --glass-bg: rgba(15, 24, 40, 0.55);
  --glass-border: rgba(120, 180, 255, 0.18);
  --primary: #0E6EFD;
  --primary-hover: #0A5ADE;
  --primary-glow: rgba(14, 110, 253, 0.45);
  --accent: #23D18B;
  --highlight: #E3A82B;
  --text-hi: #F0F4FA;
  --text-mid: #A5B3C6;
  --text-low: #64748B;
  --danger: #FF5B5B;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  background: var(--bg-body);
  color: var(--text-hi);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease;
}
a:hover {
  color: #3D8CFF;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
input, select, textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--text-hi);
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 14px 30px;
  transition: all 0.25s ease;
  line-height: 1.2;
  text-decoration: none;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, #116BF9, #0E4FD0);
  color: #fff;
  box-shadow: 0 4px 16px rgba(14, 110, 253, 0.25);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 20px var(--primary-glow);
  color: #fff;
  transform: translateY(-2px);
}
.btn-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.btn-activity {
  background: linear-gradient(135deg, #E3A82B, #D17A13);
  color: #1a1206;
  box-shadow: 0 0 24px rgba(227, 168, 43, 0.3);
}
.btn-activity:hover {
  box-shadow: 0 4px 28px rgba(227, 168, 43, 0.45);
  transform: translateY(-2px);
  color: #1a1206;
}
.btn-link {
  color: var(--primary);
  font-weight: 600;
  padding: 0;
  background: none;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.btn-link:hover {
  color: #3D8CFF;
  text-decoration: underline;
}
.btn-link::after {
  content: " →";
  transition: transform 0.2s ease;
}
.btn-link:hover::after {
  transform: translateX(3px);
}
.btn-block {
  width: 100%;
}
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}
.badge-gold {
  background: rgba(227, 168, 43, 0.18);
  color: var(--highlight);
}
.badge-blue {
  background: rgba(14, 110, 253, 0.15);
  color: var(--primary);
}
.badge-green {
  background: rgba(35, 209, 139, 0.15);
  color: var(--accent);
}
.badge-red {
  background: rgba(255, 91, 91, 0.15);
  color: #FF7B7B;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 76px;
  background: rgba(8, 14, 26, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all 0.3s ease;
}
.site-header.scrolled {
  height: 64px;
  background: rgba(6, 10, 18, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}
.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  justify-content: space-between;
  gap: 32px;
}
.brand-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  white-space: nowrap;
  text-decoration: none;
  background: none;
}
.brand-logo:hover {
  color: #fff;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  display: inline-block;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-mid);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  position: relative;
  text-decoration: none;
}
.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.nav-link.active {
  color: #fff;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-trigger {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-mid);
  transition: all 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}
.search-trigger:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
}
.search-trigger svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}
.btn-nav {
  padding: 12px 22px;
  font-size: 14px;
}
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  gap: 5px;
}
.hamburger-btn span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger-btn.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger-btn.open span:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-deep);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 12px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}
.mobile-link {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-mid);
  padding: 14px 24px;
  text-decoration: none;
  min-width: 200px;
  text-align: center;
  border-radius: var(--radius-md);
}
.mobile-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.mobile-link.active {
  color: #fff;
  background: rgba(14, 110, 253, 0.15);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 76px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(5, 8, 15, 0.95) 0%, rgba(5, 8, 15, 0.6) 50%, rgba(5, 8, 15, 0.2) 100%), linear-gradient(180deg, transparent 0%, rgba(8, 16, 30, 0.6) 100%);
  z-index: -1;
}
.hero-content {
  padding: var(--space-5) 0 var(--space-4);
  max-width: 680px;
}
.hero-title {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: #fff;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-points {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.hero-point {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  padding: 10px 20px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.point-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--highlight);
  flex-shrink: 0;
}
.point-icon.green {
  background: var(--accent);
}
.point-icon.blue {
  background: var(--primary);
}
.point-text {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}
.point-desc {
  font-size: 12px;
  color: var(--text-mid);
}

/* Countdown */
.countdown-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 16px 24px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  margin-bottom: 48px;
  max-width: 680px;
  flex-wrap: wrap;
}
.countdown-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-mid);
  white-space: nowrap;
  padding-left: 4px;
  border-left: 3px solid var(--highlight);
  padding-left: 12px;
}
.countdown-timer {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.countdown-item {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.countdown-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--highlight);
  font-variant-numeric: tabular-nums;
}
.countdown-unit {
  font-size: 13px;
  color: var(--text-mid);
}
.countdown-sep {
  font-size: 24px;
  color: var(--text-low);
  font-weight: 300;
  margin: 0 2px;
}

/* Sections */
.section {
  padding: var(--space-6) 0;
}
.section:nth-child(even) {
  background: rgba(10, 18, 34, 0.5);
}
.section-head {
  text-align: center;
  margin-bottom: var(--space-4);
}
.section-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: #fff;
  position: relative;
  display: inline-block;
}
.section-title::before {
  content: "";
  display: block;
  width: 40px;
  height: 4px;
  background: var(--primary);
  border-radius: 4px;
  margin: 0 auto 12px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-mid);
  max-width: 640px;
  margin: 0 auto;
}

/* Features */
.features-section {
  background: var(--bg-deep);
}
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: var(--space-5);
}
.feature-block.reverse .feature-media {
  order: 2;
}
.feature-block.reverse .feature-content {
  order: 1;
}
.feature-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}
.feature-media img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.feature-media:hover img {
  transform: scale(1.03);
}
.feature-content {
  padding: 16px 0;
}
.feature-content .badge {
  margin-bottom: 16px;
}
.feature-content h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
}
.feature-content p {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 20px;
}
.feature-list {
  list-style: none;
  margin-bottom: 24px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--text-hi);
}
.feature-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(35, 209, 139, 0.5);
}

/* Stats Bar */
.stats-bar {
  background: linear-gradient(135deg, #0D1626, #0A1220);
  padding: var(--space-5) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item {
  padding: 24px;
}
.stat-num {
  font-size: 44px;
  font-weight: 800;
  color: var(--highlight);
  display: block;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.stat-label {
  font-size: 14px;
  color: var(--text-mid);
  margin-top: 8px;
  display: block;
}

/* Gallery */
.gallery-section {
  background: var(--bg-body);
}
.gallery-wall {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
}
.gallery-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  background: var(--surface-1);
  min-height: 220px;
}
.gallery-card.gallery-large {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 420px;
}
.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  position: absolute;
  top: 0;
  left: 0;
}
.gallery-card:hover img {
  transform: scale(1.05);
}
.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 28px;
  background: linear-gradient(180deg, transparent 0%, rgba(5, 8, 15, 0.85) 100%);
  z-index: 1;
}
.gallery-overlay h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.gallery-overlay p {
  font-size: 14px;
  color: var(--text-mid);
  margin-bottom: 12px;
}
.gallery-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--highlight);
  text-decoration: none;
  opacity: 0;
  transform: translateY(4px);
  transition: all 0.3s ease;
}
.gallery-card:hover .gallery-link {
  opacity: 1;
  transform: translateY(0);
}
.gallery-link::after {
  content: " →";
}

/* News */
.news-section {
  background: var(--bg-deep);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-card);
}
.news-card:hover {
  background: var(--surface-2);
  border-color: rgba(120, 180, 255, 0.25);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.news-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(14, 110, 253, 0.15);
  color: var(--primary);
  align-self: flex-start;
}
.news-title {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 50px;
}
.news-title a {
  color: #fff;
  text-decoration: none;
}
.news-title a:hover {
  color: var(--primary);
}
.news-excerpt {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 14px;
  margin-top: auto;
}
.news-meta time {
  font-size: 12px;
  color: var(--text-low);
}
.news-meta a {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
}
.news-meta a:hover {
  text-decoration: underline;
}
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  background: var(--surface-1);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 60px 24px;
}
.empty-icon {
  width: 64px;
  height: 64px;
  border: 3px dashed var(--text-low);
  border-radius: 50%;
  margin: 0 auto 16px;
  position: relative;
}
.empty-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  border: 2px solid var(--text-low);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}
.empty-state p {
  font-size: 16px;
  color: var(--text-mid);
  margin-bottom: 16px;
}
.news-footer {
  text-align: center;
  margin-top: 32px;
}

/* CTA Section */
.cta-section {
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(5, 8, 15, 0.85), rgba(5, 8, 15, 0.7), rgba(5, 8, 15, 0.85));
}
.cta-panel {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  text-align: center;
}
.cta-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.cta-head p {
  font-size: 15px;
  color: var(--text-mid);
  margin-bottom: 28px;
}
.cta-form {
  display: grid;
  gap: 16px;
  text-align: left;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
}
.form-group input,
.form-group select {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: #fff;
  transition: all 0.25s ease;
  outline: none;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 110, 253, 0.2);
  background: rgba(255, 255, 255, 0.07);
}
.form-group input.error,
.form-group select.error {
  border-color: var(--danger);
}
.form-group .error-text {
  font-size: 12px;
  color: var(--danger);
  display: none;
}
.form-group.has-error .error-text {
  display: block;
}
.form-group select option {
  background: var(--surface-1);
  color: #fff;
}
.form-note {
  font-size: 12px;
  color: var(--text-low);
  text-align: center;
  margin-top: 4px;
}
.cta-form-success {
  display: none;
  text-align: center;
  padding: 24px 0;
}
.cta-form-success .success-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  box-shadow: 0 0 24px rgba(35, 209, 139, 0.4);
}
.cta-form-success h3 {
  font-size: 22px;
  color: #fff;
  margin-bottom: 8px;
}
.cta-form-success p {
  font-size: 14px;
  color: var(--text-mid);
}

/* FAQ */
.faq-section {
  background: var(--bg-body);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}
.faq-item {
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.12);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-hi);
  cursor: pointer;
  min-height: 56px;
  user-select: none;
}
.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 2px;
  background: var(--text-mid);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.faq-item.open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}
.faq-item.open .faq-question {
  color: var(--primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  background: var(--surface-1);
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.8;
}

/* Footer */
.footer {
  background: var(--bg-deep);
  padding: var(--space-6) 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: var(--space-5);
}
.footer-logo {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  text-decoration: none;
  display: inline-block;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-mid);
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer-col ul li a:hover {
  color: #fff;
}
.footer-contact-item {
  font-size: 14px;
  color: var(--text-mid);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.footer-contact-item svg {
  width: 15px;
  height: 15px;
  color: var(--text-low);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-low);
}

/* Focus visible */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* Responsive */
@media (max-width: 1024px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .feature-block.reverse .feature-media {
    order: 1;
  }
  .feature-block.reverse .feature-content {
    order: 2;
  }
  .feature-media img {
    height: 300px;
  }
  .gallery-wall {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-card.gallery-large {
    grid-column: span 2;
    grid-row: span 1;
    min-height: 320px;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .countdown-bar {
    max-width: 100%;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 24px;
  }
  .main-nav {
    display: none;
  }
  .header-actions .btn-nav {
    display: none;
  }
  .hamburger-btn {
    display: flex;
  }
  .mobile-menu.open {
    display: flex;
  }
  .hero {
    min-height: auto;
    padding-bottom: 48px;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-subtitle {
    font-size: 16px;
  }
  .countdown-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 20px;
  }
  .countdown-timer {
    justify-content: center;
  }
  .countdown-num {
    font-size: 30px;
  }
  .hero-points {
    flex-direction: column;
    align-items: flex-start;
  }
  .section {
    padding: var(--space-5) 0;
  }
  .section-title {
    font-size: 26px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .gallery-wall {
    grid-template-columns: 1fr;
  }
  .gallery-card.gallery-large {
    grid-column: span 1;
    min-height: 260px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .cta-panel {
    padding: 32px 20px;
  }
  .btn {
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  body {
    font-size: 15px;
  }
  .hero-title {
    font-size: 28px;
  }
  .brand-logo {
    font-size: 18px;
  }
  .countdown-num {
    font-size: 24px;
  }
  .feature-media img {
    height: 220px;
  }
  .gallery-card {
    min-height: 180px;
  }
  .gallery-card.gallery-large {
    min-height: 220px;
  }
  .gallery-overlay {
    padding: 16px;
  }
  .gallery-overlay h3 {
    font-size: 18px;
  }
  .news-card {
    padding: 20px;
  }
  .cta-panel {
    padding: 24px 16px;
  }
  .stat-num {
    font-size: 36px;
  }
}

/* roulang page: category1 */
:root {
  --bg-deep: #05080F;
  --bg-body: #08101E;
  --surface-1: #0D1626;
  --surface-2: #111C30;
  --glass-bg: rgba(15, 24, 40, 0.55);
  --glass-border: rgba(120, 180, 255, 0.18);
  --primary: #0E6EFD;
  --primary-hover: #0A5ADE;
  --primary-glow: rgba(14, 110, 253, 0.45);
  --accent: #23D18B;
  --highlight: #E3A82B;
  --text-hi: #F0F4FA;
  --text-mid: #A5B3C6;
  --text-low: #64748B;
  --danger: #FF5B5B;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s ease;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  background: var(--bg-body);
  color: var(--text-hi);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== 导航栏 ===== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 76px;
  z-index: 1000;
  background: rgba(8, 14, 26, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.main-header.scrolled {
  height: 64px;
  background: rgba(6, 10, 18, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-hi);
  letter-spacing: -0.02em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #116BF9, #0E4FD0);
  border-radius: 8px;
  width: 32px;
  height: 32px;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 0 16px rgba(14, 110, 253, 0.4);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-mid);
  border-radius: 8px;
  position: relative;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-hi);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--text-hi);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--primary-glow);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--text-mid);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  color: var(--text-hi);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #116BF9, #0E4FD0);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 12px;
  transition: all 0.25s ease;
  border: none;
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 20px var(--primary-glow);
  transform: translateY(-1px);
  color: #fff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--text-hi);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-hi);
}

.btn-highlight {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #E3A82B, #D17A13);
  color: #141414;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 12px;
  box-shadow: 0 0 24px rgba(227, 168, 43, 0.3);
  transition: all 0.25s ease;
}

.btn-highlight:hover {
  box-shadow: 0 0 36px rgba(227, 168, 43, 0.5);
  transform: translateY(-2px);
  color: #141414;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-hi);
  border-radius: 2px;
  margin: 0 auto;
  transition: all 0.3s ease;
}

.mobile-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-deep);
  z-index: 999;
  padding: 100px 32px 32px;
  flex-direction: column;
  gap: 12px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu .nav-link {
  font-size: 17px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu .nav-link.active {
  color: var(--primary);
}

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--text-mid);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== Hero 区域 ===== */
.page-hero {
  position: relative;
  min-height: 62vh;
  display: flex;
  align-items: center;
  padding: 160px 0 80px;
  background: linear-gradient(90deg, rgba(5, 8, 15, 0.95) 0%, rgba(5, 8, 15, 0.6) 50%, rgba(5, 8, 15, 0.2) 100%),
              linear-gradient(0deg, rgba(8, 16, 30, 0.6) 0%, rgba(8, 16, 30, 0.1) 100%),
              url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 70% 40%, rgba(14, 110, 253, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 110, 253, 0.15);
  border: 1px solid rgba(14, 110, 253, 0.3);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary-glow);
}

.page-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  color: var(--text-hi);
  letter-spacing: -0.02em;
  max-width: 800px;
}

.page-hero h1 .highlight-text {
  background: linear-gradient(135deg, #E3A82B, #F2C06B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero .hero-sub {
  font-size: 17px;
  color: var(--text-mid);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== 信息条 ===== */
.info-strip {
  background: var(--surface-1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
}

.info-strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.info-strip-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.info-strip-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 110, 253, 0.12);
  border-radius: 12px;
  color: var(--primary);
  font-size: 18px;
}

.info-strip-text h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-hi);
  margin-bottom: 2px;
}

.info-strip-text p {
  font-size: 13px;
  color: var(--text-low);
}

/* ===== 通用区块 ===== */
.section {
  padding: var(--space-6) 0;
}

.section-alt {
  background: var(--surface-1);
}

.section-head {
  margin-bottom: var(--space-4);
  position: relative;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.section-eyebrow::before {
  content: '';
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 2px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-hi);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-head .section-desc {
  font-size: 16px;
  color: var(--text-mid);
  max-width: 640px;
  line-height: 1.7;
}

.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* ===== 通栏图墙 ===== */
.wall-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}

.wall-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 280px;
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition-smooth);
}

.wall-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(120, 180, 255, 0.25);
}

.wall-card.large {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 460px;
}

.wall-card.medium {
  grid-column: span 2;
}

.wall-card.small {
  grid-column: span 1;
  min-height: 200px;
}

.wall-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.wall-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5, 8, 15, 0.9) 0%, rgba(5, 8, 15, 0.2) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  z-index: 1;
}

.wall-card-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  background: rgba(14, 110, 253, 0.85);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 2;
  backdrop-filter: blur(8px);
}

.wall-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-hi);
  margin-bottom: 8px;
}

.wall-card.large h3 {
  font-size: 28px;
}

.wall-card p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.wall-card-link:hover {
  color: #3D8CFF;
  gap: 10px;
}

/* ===== 双栏图文 ===== */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  box-shadow: var(--shadow-card);
}

.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.split-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14, 110, 253, 0.1), transparent);
}

.split-image .image-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 10px 18px;
  font-size: 13px;
  color: var(--text-hi);
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.split-content h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-hi);
  line-height: 1.35;
}

.split-content p {
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 20px;
}

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

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

.check-list li i {
  color: var(--accent);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* ===== 推荐内容卡片 ===== */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  background: var(--surface-2);
  border-color: rgba(120, 180, 255, 0.25);
}

.article-card-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.article-card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(14, 110, 253, 0.85);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 2;
}

.article-card-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-hi);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-body p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-low);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 12px;
}

.article-card-meta a {
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
}

.article-card-meta a:hover {
  color: #3D8CFF;
}

/* ===== 资讯方向区块 ===== */
.direction-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.direction-card {
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.direction-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.direction-card:hover {
  background: var(--surface-2);
  border-color: rgba(120, 180, 255, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

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

.direction-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 110, 253, 0.12);
  border-radius: 14px;
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 20px;
}

.direction-card:nth-child(2) .direction-icon {
  background: rgba(227, 168, 43, 0.12);
  color: var(--highlight);
}

.direction-card:nth-child(3) .direction-icon {
  background: rgba(35, 209, 139, 0.12);
  color: var(--accent);
}

.direction-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-hi);
  margin-bottom: 10px;
}

.direction-card p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
}

.direction-card .direction-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: all var(--transition-fast);
}

.direction-card .direction-link:hover {
  color: #3D8CFF;
  padding-left: 4px;
}

/* ===== 订阅 CTA ===== */
.subscribe-cta {
  position: relative;
  padding: var(--space-6) 0;
  background: linear-gradient(135deg, rgba(5, 8, 15, 0.8) 0%, rgba(14, 110, 253, 0.15) 100%),
              url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.subscribe-cta .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.subscribe-cta h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}

.subscribe-cta p {
  color: var(--text-mid);
  margin-bottom: 24px;
  font-size: 15px;
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group {
  position: relative;
}

.form-group input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  color: var(--text-hi);
  font-size: 15px;
  transition: all var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 110, 253, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder {
  color: var(--text-low);
}

.form-tip {
  font-size: 12px;
  color: var(--text-low);
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--space-6) 0;
}

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

.faq-item {
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.faq-item:hover {
  border-color: rgba(120, 180, 255, 0.18);
}

.faq-item.open {
  border-color: rgba(14, 110, 253, 0.4);
  box-shadow: 0 0 20px rgba(14, 110, 253, 0.08);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-hi);
  user-select: none;
  min-height: 56px;
  gap: 16px;
}

.faq-question i {
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
  transition: transform var(--transition-smooth);
}

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

.faq-answer {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 16px;
}

/* ===== CTA 横条 ===== */
.cta-banner {
  position: relative;
  padding: 80px 0;
  background: var(--bg-deep);
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(14, 110, 253, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(227, 168, 43, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner .container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
}

.cta-banner h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-banner h2 span {
  background: linear-gradient(135deg, #E3A82B, #F2C06B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-banner p {
  color: var(--text-mid);
  margin-bottom: 28px;
  font-size: 16px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== 相关分类 ===== */
.related-cats {
  padding: 60px 0;
  background: var(--surface-1);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.related-cats .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.related-cats-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-hi);
  margin-right: 8px;
}

.related-cat-link {
  font-size: 14px;
  color: var(--text-mid);
  padding: 8px 20px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  transition: all var(--transition-fast);
}

.related-cat-link:hover {
  color: var(--text-hi);
  border-color: var(--primary);
  background: rgba(14, 110, 253, 0.1);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--text-hi);
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-low);
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-hi);
  margin-bottom: 16px;
  position: relative;
}

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

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

.footer-col ul li a {
  font-size: 14px;
  color: var(--text-mid);
  transition: all var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.6;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--primary);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 0;
  text-align: center;
}

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

/* ===== 返回顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-mid);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-smooth);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  color: var(--text-hi);
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(14, 110, 253, 0.2);
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
  .container {
    padding: 0 24px;
  }

  .page-hero h1 {
    font-size: 38px;
  }

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

@media (max-width: 991px) {
  .main-nav {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .header-actions .btn-primary {
    display: none;
  }

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

  .split-image {
    min-height: 280px;
  }

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

  .wall-card.large {
    grid-column: span 2;
    grid-row: auto;
    min-height: 320px;
  }

  .wall-card.medium {
    grid-column: span 2;
  }

  .wall-card.small {
    grid-column: span 1;
  }

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

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

  .subscribe-cta .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .page-hero {
    min-height: auto;
    padding: 130px 0 56px;
  }

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

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

  .section {
    padding: var(--space-5) 0;
  }

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

  .info-strip-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .info-strip-item {
    padding: 12px;
    background: var(--surface-1);
    border-radius: 12px;
  }

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

  .wall-card.large,
  .wall-card.medium,
  .wall-card.small {
    grid-column: span 1;
    min-height: 220px;
  }

  .wall-card h3 {
    font-size: 19px;
  }

  .wall-card-overlay {
    padding: 20px;
  }

  .recommend-grid {
    grid-template-columns: 1fr;
  }

  .direction-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner h2 {
    font-size: 24px;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn-highlight,
  .cta-buttons .btn-secondary {
    width: 100%;
  }

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

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

  .hero-buttons .btn-primary,
  .hero-buttons .btn-secondary {
    width: 100%;
  }

  .faq-question {
    font-size: 15px;
    padding: 16px 18px;
  }

  .faq-item.open .faq-answer {
    padding: 0 18px 16px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
  }

  .related-cats .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (max-width: 479px) {
  body {
    font-size: 15px;
  }

  .logo {
    font-size: 17px;
  }

  .logo-badge {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

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

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

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

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

/* roulang page: article */
:root {
  --bg-deep: #05080F;
  --bg-body: #08101E;
  --surface-1: #0D1626;
  --surface-2: #111C30;
  --glass-bg: rgba(15, 24, 40, 0.55);
  --glass-border: rgba(120, 180, 255, 0.18);
  --primary: #0E6EFD;
  --primary-hover: #0A5ADE;
  --primary-glow: rgba(14, 110, 253, 0.45);
  --accent: #23D18B;
  --highlight: #E3A82B;
  --text-hi: #F0F4FA;
  --text-mid: #A5B3C6;
  --text-low: #64748B;
  --danger: #FF5B5B;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  background: var(--bg-deep);
  color: var(--text-hi);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.25s ease, border-color 0.25s ease; }
a:hover { color: #3D8CFF; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; }
input, select, textarea { font-family: inherit; font-size: 15px; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 30px;
  transition: all 0.25s ease;
  cursor: pointer;
  line-height: 1.4;
  color: #fff;
}
.btn-primary {
  background: linear-gradient(135deg, #116BF9, #0E4FD0);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 20px var(--primary-glow);
  color: #fff;
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--text-hi);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--text-hi);
}
.btn-highlight {
  background: linear-gradient(135deg, #E3A82B, #D17A13);
  color: #1A1508;
  box-shadow: 0 0 24px rgba(227, 168, 43, 0.3);
}
.btn-highlight:hover {
  background: linear-gradient(135deg, #F0B93B, #D98A18);
  color: #1A1508;
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(227, 168, 43, 0.45);
}
.btn-block { width: 100%; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 76px;
  z-index: 1000;
  background: rgba(8, 14, 26, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: height 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  height: 64px;
  background: rgba(6, 10, 18, 0.95);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-hi);
  white-space: nowrap;
}
.logo:hover { color: var(--text-hi); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-mid);
  padding: 8px 2px;
  transition: color 0.25s;
}
.nav-link:hover { color: var(--text-hi); }
.nav-link.active { color: var(--text-hi); }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.btn-nav {
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  position: relative;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-hi);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.article-hero {
  position: relative;
  padding: 180px 0 56px;
  background: linear-gradient(90deg, rgba(5, 8, 15, 0.95) 0%, rgba(5, 8, 15, 0.65) 50%, rgba(5, 8, 15, 0.3) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-mid);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--text-mid); }
.breadcrumb a:hover { color: var(--text-hi); }
.breadcrumb .sep { color: var(--text-low); }
.breadcrumb .current { color: var(--text-hi); max-width: 600px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.article-hero h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.02em;
  max-width: 860px;
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--text-mid);
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  background: rgba(14, 110, 253, 0.15);
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--text-low);
  fill: none;
  stroke-width: 1.8;
}

.article-body-section {
  padding: 64px 0 80px;
  background: var(--bg-body);
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: start;
}
.article-main-col { min-width: 0; }
.article-content {
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 48px;
  box-shadow: var(--shadow-card);
  font-size: 16px;
}
.article-content > *:first-child { margin-top: 0; }
.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  margin: 32px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  border-radius: 2px;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 24px 0 12px;
}
.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 20px 0 10px;
}
.article-content p {
  margin-bottom: 24px;
  color: var(--text-mid);
  line-height: 1.85;
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content img {
  border-radius: 12px;
  margin: 24px 0;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.article-content figure {
  margin: 24px 0;
}
.article-content figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--text-low);
  margin-top: 10px;
}
.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 16px 24px;
  background: rgba(14, 110, 253, 0.08);
  border-radius: 0 12px 12px 0;
  color: var(--text-mid);
  font-style: normal;
  margin: 24px 0;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content ul,
.article-content ol {
  margin: 0 0 24px;
  padding-left: 26px;
  color: var(--text-mid);
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-content th,
.article-content td {
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 14px;
  text-align: left;
  color: var(--text-mid);
}
.article-content th {
  background: var(--surface-2);
  color: var(--text-hi);
  font-weight: 600;
}
.article-content code {
  background: rgba(14, 110, 253, 0.12);
  color: #8FC1FF;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
}
.article-content hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: 40px 0;
}

.article-footer {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: rgba(14, 110, 253, 0.12);
  border: 1px solid rgba(14, 110, 253, 0.25);
  color: #8FC1FF;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.25s ease;
}
.tag:hover {
  background: rgba(14, 110, 253, 0.22);
  color: #B4D7FF;
}
.article-pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.pager-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-mid);
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  transition: all 0.25s ease;
}
.pager-link:hover {
  color: var(--text-hi);
  border-color: var(--primary);
  background: rgba(14, 110, 253, 0.08);
}

.article-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 96px;
}
.side-card {
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
}
.side-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.side-card h3::before {
  content: '';
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--highlight);
}
.side-card p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 8px;
}
.side-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.side-list a {
  font-size: 14px;
  color: var(--text-mid);
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.25s ease;
}
.side-list a:hover {
  color: var(--text-hi);
  background: rgba(14, 110, 253, 0.08);
  padding-left: 16px;
}
.side-highlight {
  background: linear-gradient(135deg, rgba(227, 168, 43, 0.14), rgba(227, 168, 43, 0.04));
  border: 1px solid rgba(227, 168, 43, 0.25);
}
.side-highlight .side-highlight-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--highlight);
  margin-bottom: 8px;
}
.side-highlight p {
  font-size: 13px;
  color: var(--text-mid);
  margin-bottom: 16px;
}
.side-cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #1A1508;
  background: linear-gradient(135deg, #E3A82B, #D17A13);
  padding: 10px 18px;
  border-radius: 10px;
  transition: all 0.25s ease;
}
.side-cta-link:hover {
  background: linear-gradient(135deg, #F0B93B, #D98A18);
  color: #1A1508;
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(227, 168, 43, 0.3);
}

.not-found-card {
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 80px 40px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 50%;
  border: 2px dashed var(--text-low);
  position: relative;
  animation: pulse 2s ease-in-out infinite;
}
.empty-icon::before,
.empty-icon::after {
  content: '';
  position: absolute;
  background: var(--text-low);
  border-radius: 2px;
}
.empty-icon::before {
  width: 28px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.empty-icon::after {
  width: 2px;
  height: 28px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}
.not-found-card h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
}
.not-found-card p {
  color: var(--text-mid);
  margin-bottom: 28px;
}

.related-section {
  padding: 80px 0;
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 24px;
}
.section-title {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-title::before {
  content: '';
  width: 4px;
  height: 26px;
  border-radius: 2px;
  background: var(--highlight);
}
.section-sub {
  font-size: 14px;
  color: var(--text-mid);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: block;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(120, 180, 255, 0.25);
}
.related-card .card-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface-2);
  position: relative;
}
.related-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .card-img img {
  transform: scale(1.06);
}
.card-img-overlay {
  position: absolute;
  left: 14px;
  top: 14px;
}
.overlay-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(5, 8, 15, 0.7);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-hi);
}
.related-card .card-body {
  padding: 22px;
}
.related-card h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text-hi);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.25s;
}
.related-card:hover h3 { color: #8FC1FF; }
.related-card .card-desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.related-card .card-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cta-section {
  position: relative;
  padding: 80px 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 8, 15, 0.92), rgba(5, 8, 15, 0.7));
}
.cta-card {
  position: relative;
  z-index: 1;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}
.cta-card h2 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.cta-card p {
  font-size: 16px;
  color: var(--text-mid);
  margin-bottom: 30px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-hi);
  letter-spacing: -0.02em;
}
.footer-logo:hover { color: var(--text-hi); }
.footer-brand p {
  font-size: 14px;
  color: var(--text-mid);
  margin-top: 16px;
  line-height: 1.75;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-hi);
  margin-bottom: 20px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col ul li {
  font-size: 14px;
  color: var(--text-mid);
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-mid);
  transition: color 0.25s ease;
}
.footer-col ul a:hover { color: var(--text-hi); }
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.6;
}
.footer-contact-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-low);
  fill: none;
  stroke-width: 1.8;
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-low);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-side {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--bg-deep);
    padding: 20px 24px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  }
  .main-nav.open {
    transform: translateX(0);
  }
  .nav-link {
    font-size: 16px;
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .nav-link.active::after {
    display: none;
  }
  .nav-link.active {
    color: var(--primary);
  }
  .header-actions .btn-nav {
    display: none;
  }
  .article-hero {
    padding: 140px 0 40px;
  }
  .article-hero h1 {
    font-size: 30px;
  }
  .article-content {
    padding: 28px;
  }
  .cta-card {
    padding: 40px 28px;
  }
  .cta-card h2 {
    font-size: 24px;
  }
  .section-title {
    font-size: 26px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .logo {
    font-size: 17px;
  }
  .article-hero h1 {
    font-size: 26px;
  }
  .article-meta {
    gap: 12px;
    font-size: 13px;
  }
  .article-body-section {
    padding: 40px 0 56px;
  }
  .article-content {
    padding: 20px;
    font-size: 15px;
  }
  .article-content p {
    font-size: 15px;
    line-height: 1.8;
  }
  .article-content h2 {
    font-size: 21px;
  }
  .article-pager {
    flex-direction: column;
    align-items: stretch;
  }
  .pager-link {
    justify-content: center;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .related-section,
  .cta-section {
    padding: 48px 0;
  }
  .cta-card {
    padding: 32px 20px;
    border-radius: 16px;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 32px;
  }
  .footer {
    padding-top: 44px;
  }
  .article-side {
    grid-template-columns: 1fr;
  }
  .btn {
    font-size: 14px;
    padding: 12px 24px;
  }
}

/* roulang page: category2 */
:root {
      --bg-deep: #05080F;
      --bg-body: #08101E;
      --surface-1: #0D1626;
      --surface-2: #111C30;
      --glass-bg: rgba(15, 24, 40, 0.55);
      --glass-border: rgba(120, 180, 255, 0.18);
      --primary: #0E6EFD;
      --primary-hover: #0A5ADE;
      --primary-glow: rgba(14, 110, 253, 0.45);
      --accent: #23D18B;
      --highlight: #E3A82B;
      --text-hi: #F0F4FA;
      --text-mid: #A5B3C6;
      --text-low: #64748B;
      --danger: #FF5B5B;
      --radius: 16px;
      --radius-sm: 12px;
      --shadow: 0 8px 24px rgba(0,0,0,0.25);
      --shadow-lg: 0 12px 32px rgba(0,0,0,0.35);
      --space-1: 8px;
      --space-2: 16px;
      --space-3: 24px;
      --space-4: 40px;
      --space-5: 64px;
      --space-6: 96px;
      --max-width: 1200px;
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-stack);
      background: var(--bg-body);
      color: var(--text-hi);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; height: auto; }
    a { color: inherit; text-decoration: none; }
    ul { list-style: none; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
    input, select, textarea { font-family: inherit; font-size: 15px; color: var(--text-hi); }
    input:focus, select:focus, textarea:focus { outline: none; }

    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding-left: 32px;
      padding-right: 32px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 76px;
      z-index: 100;
      background: rgba(8, 14, 26, 0.4);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--glass-border);
      transition: height 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
    }
    .site-header.scrolled {
      height: 64px;
      background: rgba(6, 10, 18, 0.95);
      box-shadow: 0 6px 24px rgba(0,0,0,0.35);
      border-bottom-color: rgba(255,255,255,0.06);
    }
    .header-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .logo {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--text-hi);
      white-space: nowrap;
      display: flex;
      align-items: center;
    }
    .logo span {
      background: linear-gradient(135deg, var(--highlight), #D17A13);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-left: 2px;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 36px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-mid);
      padding: 8px 2px;
      position: relative;
      transition: color 0.25s ease;
      white-space: nowrap;
    }
    .nav-link:hover { color: var(--text-hi); }
    .nav-link.active { color: var(--text-hi); }
    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      box-shadow: 0 0 8px var(--primary-glow);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-header {
      background: linear-gradient(135deg, #116BF9, #0E4FD0);
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: 12px;
      transition: box-shadow 0.25s ease, transform 0.2s ease;
      box-shadow: 0 0 14px rgba(14, 110, 253, 0.3);
    }
    .btn-header:hover { box-shadow: 0 0 24px var(--primary-glow); transform: translateY(-1px); }
    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: rgba(255,255,255,0.06);
      border: 1px solid var(--glass-border);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .nav-toggle span {
      width: 18px;
      height: 2px;
      background: var(--text-hi);
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; }
    .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: var(--bg-deep);
      z-index: 99;
      padding-top: 100px;
      flex-direction: column;
      align-items: center;
      gap: 8px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a {
      font-size: 17px;
      font-weight: 500;
      color: var(--text-mid);
      padding: 14px 24px;
      border-radius: 12px;
      width: 80%;
      text-align: center;
      transition: background 0.25s ease, color 0.25s ease;
    }
    .mobile-menu a:hover, .mobile-menu a.active { background: rgba(255,255,255,0.05); color: var(--text-hi); }

    /* ===== Hero ===== */
    .hero {
      position: relative;
      min-height: 70vh;
      display: flex;
      align-items: center;
      padding: 160px 0 80px;
      background: linear-gradient(90deg, rgba(5,8,15,0.95) 0%, rgba(5,8,15,0.6) 50%, rgba(5,8,15,0.3) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      overflow: hidden;
    }
    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(0deg, rgba(8,16,30,0.6) 0%, transparent 100%);
      pointer-events: none;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 680px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      padding: 6px 16px;
      border-radius: 100px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-mid);
      margin-bottom: 24px;
    }
    .hero-badge i {
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 8px var(--accent);
    }
    .hero h1 {
      font-size: clamp(32px, 5vw, 48px);
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }
    .hero h1 .highlight {
      color: var(--highlight);
    }
    .hero p {
      font-size: 16px;
      color: var(--text-mid);
      line-height: 1.8;
      margin-bottom: 36px;
      max-width: 540px;
    }
    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #116BF9, #0E4FD0);
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      padding: 14px 30px;
      border-radius: 12px;
      transition: box-shadow 0.25s ease, transform 0.2s ease;
      box-shadow: 0 0 18px rgba(14,110,253,0.25);
    }
    .btn-primary:hover { box-shadow: 0 0 28px var(--primary-glow); transform: translateY(-2px); }
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      color: var(--text-hi);
      font-size: 15px;
      font-weight: 500;
      padding: 13px 28px;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,0.4);
      transition: background 0.25s ease, transform 0.2s ease;
    }
    .btn-ghost:hover { background: rgba(255,255,255,0.08); transform: translateY(-2px); }
    .hero-stats {
      display: flex;
      gap: 32px;
      margin-top: 48px;
      flex-wrap: wrap;
    }
    .hero-stat {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .hero-stat strong {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-hi);
      font-variant-numeric: tabular-nums;
    }
    .hero-stat span {
      font-size: 13px;
      color: var(--text-low);
    }

    /* ===== Sections ===== */
    .section {
      padding: var(--space-6) 0;
      position: relative;
    }
    .section-alt { background: var(--bg-deep); }
    .section-header {
      margin-bottom: var(--space-4);
      max-width: 640px;
    }
    .section-header.center { text-align: center; margin-left: auto; margin-right: auto; }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background: rgba(14,110,253,0.12);
      padding: 4px 14px;
      border-radius: 100px;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }
    .section-header h2 {
      font-size: clamp(26px, 3vw, 32px);
      font-weight: 700;
      letter-spacing: -0.02em;
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section-header p {
      font-size: 16px;
      color: var(--text-mid);
      line-height: 1.8;
    }
    .section-title-bar {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 24px;
    }
    .section-title-bar::before {
      content: "";
      width: 4px;
      height: 24px;
      background: linear-gradient(180deg, var(--primary), var(--accent));
      border-radius: 2px;
    }
    .section-title-bar h2 { font-size: clamp(24px, 2.5vw, 30px); font-weight: 700; letter-spacing: -0.01em; }

    /* ===== Benefits (Right Image Left Text) ===== */
    .benefits-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }
    .benefits-media {
      order: 2;
      position: relative;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }
    .benefits-media img {
      width: 100%;
      height: 400px;
      object-fit: cover;
      border-radius: 20px;
    }
    .benefits-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(5,8,15,0) 60%, rgba(5,8,15,0.4) 100%);
      border-radius: 20px;
    }
    .benefits-content { order: 1; }
    .benefits-content .benefit-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 24px;
    }
    .benefit-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      padding: 18px 20px;
      background: var(--surface-1);
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: var(--radius-sm);
      transition: border-color 0.25s ease, background 0.25s ease, transform 0.2s ease;
    }
    .benefit-item:hover {
      border-color: rgba(120,180,255,0.25);
      background: var(--surface-2);
      transform: translateY(-2px);
    }
    .benefit-icon {
      flex-shrink: 0;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: rgba(14,110,253,0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
    }
    .benefit-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .benefit-item h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 4px;
    }
    .benefit-item p {
      font-size: 14px;
      color: var(--text-mid);
      line-height: 1.6;
    }

    /* ===== Highlights / Wall ===== */
    .highlights-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      grid-auto-rows: 220px;
      gap: 20px;
    }
    .highlight-card {
      position: relative;
      border-radius: 18px;
      overflow: hidden;
      background: var(--surface-1);
      border: 1px solid rgba(255,255,255,0.06);
      transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    }
    .highlight-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(120,180,255,0.25); }
    .highlight-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .highlight-card:hover img { transform: scale(1.05); }
    .highlight-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(5,8,15,0) 40%, rgba(5,8,15,0.75) 100%);
    }
    .highlight-info {
      position: absolute;
      left: 20px;
      right: 20px;
      bottom: 18px;
      z-index: 2;
    }
    .highlight-info h3 {
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 4px;
    }
    .highlight-info p {
      font-size: 13px;
      color: var(--text-mid);
      line-height: 1.5;
    }
    .highlight-card.large {
      grid-column: span 2;
      grid-row: span 2;
    }
    .highlight-card.tall { grid-row: span 2; }
    .highlight-stats {
      grid-column: span 1;
      grid-row: span 2;
      background: linear-gradient(160deg, rgba(14,110,253,0.2), rgba(35,209,139,0.1)), var(--surface-1);
      border: 1px solid rgba(120,180,255,0.2);
      border-radius: 18px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 28px;
      gap: 20px;
      backdrop-filter: blur(10px);
    }
    .highlight-stat strong {
      font-size: 28px;
      font-weight: 800;
      color: var(--highlight);
      font-variant-numeric: tabular-nums;
    }
    .highlight-stat span {
      font-size: 13px;
      color: var(--text-mid);
      display: block;
      margin-top: 2px;
    }
    .highlight-link {
      display: inline-block;
      margin-top: 12px;
      font-size: 14px;
      font-weight: 500;
      color: var(--primary);
      opacity: 0;
      transform: translateY(6px);
      transition: opacity 0.3s ease, transform 0.3s ease;
    }
    .highlight-card:hover .highlight-link { opacity: 1; transform: translateY(0); }

    /* ===== Scenarios ===== */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .scenario-card {
      background: var(--surface-1);
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: var(--radius);
      padding: 32px 28px;
      transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .scenario-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    .scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(120,180,255,0.2); }
    .scenario-card:hover::before { opacity: 1; }
    .scenario-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(14,110,253,0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      margin-bottom: 20px;
    }
    .scenario-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .scenario-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
    .scenario-card p { font-size: 14px; color: var(--text-mid); line-height: 1.7; }

    /* ===== Process ===== */
    .process-steps {
      display: flex;
      gap: 0;
      flex-wrap: wrap;
      margin-top: 32px;
    }
    .process-step {
      flex: 1;
      min-width: 220px;
      position: relative;
      padding: 0 20px;
      text-align: center;
    }
    .process-step::after {
      content: "";
      position: absolute;
      top: 36px;
      right: -12px;
      width: 24px;
      height: 2px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      opacity: 0.4;
      border-radius: 1px;
    }
    .process-step:last-child::after { display: none; }
    .process-num {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), #0E4FD0);
      color: #fff;
      font-size: 18px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 0 20px rgba(14,110,253,0.3);
    }
    .process-step h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
    .process-step p { font-size: 14px; color: var(--text-mid); line-height: 1.6; }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 760px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--surface-1);
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: 14px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color 0.3s ease, background 0.3s ease;
    }
    .faq-item:hover { border-color: rgba(120,180,255,0.2); }
    .faq-item.open { border-color: rgba(14,110,253,0.4); background: var(--surface-2); }
    .faq-question {
      width: 100%;
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      text-align: left;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-hi);
      transition: color 0.25s ease;
    }
    .faq-item.open .faq-question { color: var(--primary); }
    .faq-question .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background: rgba(255,255,255,0.06);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: transform 0.3s ease, background 0.3s ease;
    }
    .faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(14,110,253,0.2); }
    .faq-icon svg { width: 14px; height: 14px; fill: none; stroke: var(--text-mid); stroke-width: 2; stroke-linecap: round; }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
    }
    .faq-item.open .faq-answer {
      max-height: 200px;
    }
    .faq-answer-inner {
      padding: 0 22px 18px;
      font-size: 14px;
      color: var(--text-mid);
      line-height: 1.7;
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: var(--space-6) 0;
      background: linear-gradient(135deg, rgba(14,110,253,0.15), rgba(227,168,43,0.08)), var(--bg-deep);
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: "";
      position: absolute;
      top: -120px;
      right: -120px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(14,110,253,0.15);
      filter: blur(80px);
    }
    .cta-box {
      position: relative;
      z-index: 2;
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-radius: 24px;
      padding: 56px 48px;
      text-align: center;
      max-width: 880px;
      margin: 0 auto;
    }
    .cta-box h2 {
      font-size: clamp(26px, 3vw, 34px);
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 12px;
    }
    .cta-box p {
      font-size: 15px;
      color: var(--text-mid);
      margin-bottom: 28px;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }
    .btn-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #E3A82B, #D17A13);
      color: #1A1407;
      font-size: 16px;
      font-weight: 700;
      padding: 16px 36px;
      border-radius: 14px;
      box-shadow: 0 0 28px rgba(227,168,43,0.3);
      transition: box-shadow 0.3s ease, transform 0.2s ease;
    }
    .btn-gold:hover { box-shadow: 0 0 40px rgba(227,168,43,0.45); transform: translateY(-2px); }

    /* ===== Related categories ===== */
    .related-cats {
      padding: var(--space-5) 0;
      background: var(--bg-body);
    }
    .related-cats .container {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .related-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-mid);
      padding: 8px 20px;
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 100px;
      transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
    }
    .related-link:hover { border-color: var(--primary); color: var(--text-hi); background: rgba(14,110,253,0.08); }
    .related-link .arrow { margin-left: 6px; color: var(--primary); }

    /* ===== Footer ===== */
    .footer {
      background: var(--bg-deep);
      border-top: 1px solid rgba(255,255,255,0.05);
      padding-top: var(--space-5);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: var(--space-4);
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .footer-logo {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-hi);
      display: inline-block;
      margin-bottom: 14px;
    }
    .footer-brand p { font-size: 14px; color: var(--text-mid); line-height: 1.7; max-width: 280px; }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-hi);
      margin-bottom: 16px;
    }
    .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
    .footer-col ul li a { font-size: 14px; color: var(--text-mid); transition: color 0.25s ease; }
    .footer-col ul li a:hover { color: var(--primary); }
    .footer-contact-item {
      font-size: 14px;
      color: var(--text-mid);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-contact-item svg {
      width: 16px;
      height: 16px;
      fill: none;
      stroke: var(--primary);
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
      flex-shrink: 0;
    }
    .footer-bottom {
      padding: 20px 0 28px;
      text-align: center;
    }
    .footer-bottom p { font-size: 13px; color: var(--text-low); }

    /* ===== Focus visible ===== */
    a:focus-visible, button:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 3px;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .benefits-grid { gap: 40px; }
      .highlights-grid { grid-auto-rows: 200px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
      .hero { padding-top: 140px; }
    }

    @media (max-width: 768px) {
      .container { padding-left: 24px; padding-right: 24px; }
      .main-nav, .header-actions .btn-header { display: none; }
      .nav-toggle { display: flex; }
      .section { padding: var(--space-5) 0; }
      .benefits-grid { grid-template-columns: 1fr; gap: 32px; }
      .benefits-media { order: 1; }
      .benefits-content { order: 2; }
      .highlights-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; }
      .highlight-card.large { grid-column: span 2; grid-row: span 2; }
      .highlight-card.tall { grid-column: span 1; grid-row: span 1; }
      .highlight-stats { grid-column: span 2; grid-row: span 1; flex-direction: row; justify-content: space-around; padding: 16px; }
      .scenario-grid { grid-template-columns: 1fr; }
      .process-steps { flex-direction: column; }
      .process-step::after { display: none; }
      .cta-box { padding: 40px 24px; }
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .hero { min-height: auto; padding: 130px 0 60px; }
      .hero-stats { gap: 20px; }
      .hero h1 { font-size: 28px; }
    }

    @media (max-width: 480px) {
      .container { padding-left: 16px; padding-right: 16px; }
      body { font-size: 15px; }
      .hero p { font-size: 15px; }
      .btn-primary, .btn-ghost { width: 100%; }
      .hero-buttons { flex-direction: column; }
      .highlights-grid { grid-template-columns: 1fr; }
      .highlight-card.large { grid-column: span 1; grid-row: span 2; }
      .highlight-card.tall { grid-column: span 1; grid-row: span 1; }
      .highlight-stats { grid-column: span 1; grid-row: span 1; flex-direction: column; }
      .cta-box { padding: 32px 20px; }
      .btn-gold { width: 100%; }
    }

/* roulang page: category3 */
:root {
  --bg-deep: #05080F;
  --bg-body: #08101E;
  --surface-1: #0D1626;
  --surface-2: #111C30;
  --glass-bg: rgba(15, 24, 40, 0.55);
  --glass-border: rgba(120, 180, 255, 0.18);
  --primary: #0E6EFD;
  --primary-hover: #0A5ADE;
  --primary-glow: rgba(14, 110, 253, 0.45);
  --accent: #23D18B;
  --highlight: #E3A82B;
  --text-hi: #F0F4FA;
  --text-mid: #A5B3C6;
  --text-low: #64748B;
  --danger: #FF5B5B;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.35);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
  --container: 1200px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-hi);
  background-color: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #3D8CFF;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}
ul,
ol {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.section {
  padding: var(--space-6) 0;
}
.section-head {
  margin-bottom: var(--space-4);
  max-width: 720px;
}
.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-2);
}
.section-head .eyebrow::before {
  content: "";
  width: 4px;
  height: 18px;
  background: var(--primary);
  border-radius: 2px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.section-head p {
  color: var(--text-mid);
  font-size: 15px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, #116BF9, #0E4FD0);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 20px var(--primary-glow);
  color: #fff;
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.btn-warm {
  background: linear-gradient(135deg, #E3A82B, #D17A13);
  color: #1A1A1A;
  box-shadow: 0 0 24px rgba(227, 168, 43, 0.3);
}
.btn-warm:hover {
  box-shadow: 0 0 32px rgba(227, 168, 43, 0.45);
  transform: translateY(-2px);
  color: #1A1A1A;
}
.btn-sm {
  padding: 12px 22px;
  font-size: 14px;
}
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(14, 110, 253, 0.15);
  color: var(--primary);
  letter-spacing: 0.02em;
}
.badge-warm {
  background: rgba(227, 168, 43, 0.15);
  color: var(--highlight);
}
.badge-green {
  background: rgba(35, 209, 139, 0.15);
  color: var(--accent);
}
/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 76px;
  z-index: 1000;
  display: flex;
  align-items: center;
  background: rgba(8, 14, 26, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}
.site-header.scrolled {
  height: 64px;
  background: rgba(6, 10, 18, 0.95);
  backdrop-filter: none;
  border-bottom-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-hi);
  letter-spacing: -0.02em;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.logo:hover {
  color: var(--text-hi);
  opacity: 0.85;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-mid);
  padding: 8px 2px;
  transition: color 0.2s;
}
.nav-link:hover {
  color: var(--text-hi);
}
.nav-link.active {
  color: var(--text-hi);
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-hi);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-deep);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
}
.mobile-drawer a {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-hi);
  padding: 14px 0;
  width: 100%;
  text-align: center;
}
.mobile-drawer a:hover {
  color: var(--primary);
}
.mobile-drawer a.active {
  color: var(--primary);
}
.mobile-drawer .drawer-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--text-hi);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
/* ===== Hero ===== */
.page-hero {
  position: relative;
  padding: 180px 0 100px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 8, 15, 0.95) 0%, rgba(5, 8, 15, 0.7) 50%, rgba(5, 8, 15, 0.4) 100%);
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 16, 30, 0.8), transparent 60%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.hero-content .badge {
  margin-bottom: 20px;
}
.hero-content h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--text-hi);
}
.hero-content h1 .highlight-text {
  color: var(--highlight);
}
.hero-content p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-mid);
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 48px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-stat .num {
  font-size: 32px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--text-hi);
}
.hero-stat .num span {
  color: var(--accent);
}
.hero-stat .label {
  font-size: 13px;
  color: var(--text-low);
}
/* ===== Gallery Wall ===== */
.gallery-section {
  background: var(--bg-body);
  padding: var(--space-6) 0;
  position: relative;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 24px;
}
.gallery-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.3s ease;
  min-height: 0;
}
.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(120, 180, 255, 0.25);
  background: var(--surface-2);
}
.gallery-card.featured {
  grid-column: span 2;
  grid-row: span 2;
}
.gallery-card .card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-card:hover .card-img {
  transform: scale(1.05);
}
.gallery-card .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 8, 15, 0.92) 0%, rgba(5, 8, 15, 0.35) 50%, rgba(5, 8, 15, 0.1) 100%);
}
.gallery-card .card-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px;
  z-index: 2;
}
.gallery-card .card-content .badge {
  margin-bottom: 10px;
}
.gallery-card .card-content h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 6px;
  color: var(--text-hi);
}
.gallery-card.featured .card-content h3 {
  font-size: 24px;
}
.gallery-card .card-content p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.gallery-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.gallery-card .card-link::after {
  content: "→";
  transition: transform 0.2s;
}
.gallery-card:hover .card-link::after {
  transform: translateX(4px);
}
/* ===== Value Section ===== */
.value-section {
  background: var(--bg-deep);
  padding: var(--space-6) 0;
}
.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.value-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.value-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.value-media:hover img {
  transform: scale(1.03);
}
.value-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(14, 110, 253, 0.2));
}
.value-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.value-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}
.value-item:hover {
  background: var(--surface-2);
  border-color: rgba(120, 180, 255, 0.2);
  transform: translateX(4px);
}
.value-item .v-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(14, 110, 253, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.value-item .v-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.value-item h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-hi);
}
.value-item p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.6;
}
/* ===== Category Index ===== */
.cat-section {
  background: var(--bg-body);
  padding: var(--space-6) 0;
  position: relative;
}
.cat-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(120, 180, 255, 0.3), transparent);
}
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cat-card {
  padding: 28px 24px;
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.cat-card:hover {
  background: var(--surface-2);
  border-color: rgba(120, 180, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.cat-card .cat-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 110, 253, 0.12);
  color: var(--primary);
}
.cat-card .cat-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cat-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-hi);
}
.cat-card p {
  font-size: 13px;
  color: var(--text-low);
  line-height: 1.5;
}
.cat-card .cat-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.cat-card .cat-link::after {
  content: "→";
  transition: transform 0.2s;
}
.cat-card:hover .cat-link::after {
  transform: translateX(4px);
}
/* ===== Steps ===== */
.steps-section {
  background: var(--bg-deep);
  padding: var(--space-6) 0;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  counter-reset: step;
}
.step-item {
  position: relative;
  padding: 32px 20px 24px;
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.3s ease;
}
.step-item::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 0 16px var(--primary-glow);
}
.step-item:hover {
  background: var(--surface-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.step-item .step-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(227, 168, 43, 0.1);
  color: var(--highlight);
}
.step-item .step-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.step-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-hi);
  margin-bottom: 6px;
}
.step-item p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.6;
}
/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-body);
  padding: var(--space-6) 0;
}
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  margin-bottom: 16px;
  background: var(--surface-1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(120, 180, 255, 0.2);
}
.faq-item.open {
  border-color: rgba(14, 110, 253, 0.4);
  box-shadow: var(--shadow);
}
.faq-question {
  width: 100%;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  text-align: left;
  color: var(--text-hi);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}
.faq-question .faq-text {
  position: relative;
  padding-left: 20px;
}
.faq-question .faq-text::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background: var(--primary);
  border-radius: 2px;
  transition: background 0.2s;
}
.faq-item.open .faq-question .faq-text::before {
  background: var(--highlight);
}
.faq-icon {
  flex-shrink: 0;
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--text-mid);
  border-radius: 1px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}
.faq-icon::before {
  width: 10px;
  height: 2px;
}
.faq-icon::after {
  width: 2px;
  height: 10px;
}
.faq-item.open .faq-icon {
  background: rgba(227, 168, 43, 0.15);
}
.faq-item.open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px 44px;
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.7;
}
/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: var(--space-6) 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 8, 15, 0.95) 0%, rgba(5, 8, 15, 0.75) 60%, rgba(5, 8, 15, 0.5) 100%);
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-content .badge {
  margin-bottom: 16px;
}
.cta-content h2 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-hi);
}
.cta-content p {
  font-size: 16px;
  color: var(--text-mid);
  margin-bottom: 32px;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
/* ===== Footer ===== */
.footer {
  background: var(--bg-deep);
  padding: var(--space-5) 0 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-hi);
  display: inline-block;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-low);
  line-height: 1.7;
  max-width: 260px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-hi);
  margin-bottom: 16px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-mid);
  transition: color 0.2s;
}
.footer-col ul li a:hover {
  color: var(--primary);
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-mid);
}
.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--text-low);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.footer-bottom {
  padding-top: var(--space-3);
  display: flex;
  justify-content: center;
  align-items: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-low);
  text-align: center;
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 36px;
  }
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
  }
  .gallery-card.featured {
    grid-column: span 2;
    grid-row: span 2;
  }
  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .value-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .value-media img {
    height: 320px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 24px;
  }
  .main-nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .page-hero {
    padding: 140px 0 64px;
  }
  .hero-content h1 {
    font-size: 30px;
  }
  .hero-content p {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-stats {
    gap: 24px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }
  .gallery-card.featured {
    grid-column: span 2;
    grid-row: span 2;
  }
  .gallery-card .card-content h3 {
    font-size: 16px;
  }
  .gallery-card.featured .card-content h3 {
    font-size: 20px;
  }
  .cat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .cta-content h2 {
    font-size: 28px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .hero-content h1 {
    font-size: 26px;
  }
  .hero-actions .btn {
    font-size: 14px;
    padding: 12px 20px;
  }
  .hero-stats {
    gap: 16px;
  }
  .hero-stat .num {
    font-size: 24px;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 220px;
  }
  .gallery-card.featured {
    grid-column: span 1;
    grid-row: span 1;
  }
  .cat-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .value-media img {
    height: 220px;
  }
  .step-item {
    padding-top: 28px;
  }
  .cta-content h2 {
    font-size: 24px;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-grid {
    gap: 32px;
  }
}