/* roulang page: index */
:root {
  --primary: #1e3a5f;
  --primary-dark: #132940;
  --primary-light: #2d5a8a;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fde68a;
  --bg: #f4f7fc;
  --bg-white: #ffffff;
  --bg-light: #eef2f7;
  --text: #1e293b;
  --text-light: #5a6b82;
  --text-muted: #8b9bb4;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(30, 58, 95, 0.06);
  --shadow-md: 0 10px 30px rgba(30, 58, 95, 0.1);
  --shadow-lg: 0 20px 50px rgba(30, 58, 95, 0.15);
  --transition: all 0.3s ease;
  --container: 1200px;
}
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
ul, ol {
  list-style: none;
}
button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section-padding {
  padding: 90px 0;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-dark);
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}
.section-tag i {
  font-size: 13px;
}
.section-header h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
  line-height: 1.3;
}
.section-header p {
  color: var(--text-light);
  font-size: 16px;
  margin-top: 14px;
}
.text-accent {
  color: var(--accent);
}
.text-primary {
  color: var(--primary);
}
@media (max-width: 768px) {
  .section-padding {
    padding: 64px 0;
  }
  .section-header h2 {
    font-size: 26px;
  }
  .section-header {
    margin-bottom: 40px;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(30, 58, 95, 0.03);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 76px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--primary);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.3px;
}
.logo i {
  color: var(--accent);
  font-size: 24px;
}
.logo-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-search {
  flex: 1;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}
.nav-search input {
  width: 100%;
  height: 42px;
  padding: 0 48px 0 18px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  background: var(--bg);
  transition: var(--transition);
}
.nav-search input:focus {
  border-color: var(--accent);
  background: var(--bg-white);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
}
.nav-search button {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
}
.nav-search button:hover {
  background: var(--accent-dark);
}
.main-nav {
  flex-shrink: 0;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  display: block;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}
.main-nav a:hover {
  color: var(--primary);
  background: var(--bg);
}
.main-nav a.active {
  color: var(--primary);
  background: rgba(30, 58, 95, 0.08);
  font-weight: 600;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 4px;
  transition: var(--transition);
}
.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);
}
@media (max-width: 1024px) {
  .header-inner {
    gap: 16px;
  }
  .logo {
    font-size: 17px;
  }
  .main-nav a {
    padding: 8px 12px;
    font-size: 13px;
  }
}
@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  .nav-search {
    order: 3;
    max-width: 100%;
    flex-basis: 100%;
    margin-top: 0;
  }
  .header-inner {
    flex-wrap: wrap;
    padding: 12px 16px;
    height: auto;
    gap: 10px;
  }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .main-nav {
    flex-basis: 100%;
    display: none;
  }
  .main-nav.open {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 0;
  }
  .main-nav a {
    width: 100%;
    border-radius: 8px;
    padding: 12px 14px;
  }
  .nav-search {
    flex: 1 1 100%;
    order: 2;
  }
}

.hero {
  position: relative;
  padding: 120px 0 110px;
  background: linear-gradient(135deg, #132940 0%, #1e3a5f 60%, #2d5a8a 100%);
  background-image: linear-gradient(135deg, rgba(19, 41, 64, 0.94), rgba(30, 58, 95, 0.88)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -60px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.14);
  filter: blur(80px);
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  filter: blur(60px);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--accent-light);
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -1px;
  margin-bottom: 18px;
}
.hero h1 span {
  color: var(--accent);
  position: relative;
}
.hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  margin-bottom: 34px;
  max-width: 620px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 42px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(245, 158, 11, 0.4);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.hero-stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.hero-stats .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
}
.hero-stats .stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}
@media (max-width: 768px) {
  .hero {
    padding: 80px 0 64px;
  }
  .hero h1 {
    font-size: 30px;
  }
  .hero p {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-stats {
    gap: 24px;
  }
}

.stats-strip {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: 36px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 20px 12px;
}
.stat-item .num {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.stat-item .num i {
  font-size: 22px;
  color: var(--accent);
  margin-right: 4px;
}
.stat-item .label {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 6px;
}
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .stat-item .num {
    font-size: 26px;
  }
}

.features {
  background: var(--bg);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--primary-light));
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(30, 58, 95, 0.12);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(30, 58, 95, 0.2);
}
.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.25);
}
.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, #06b6d4, #0ea5e9);
  box-shadow: 0 8px 20px rgba(6, 182, 212, 0.2);
}
.feature-card:nth-child(4) .feature-icon {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.2);
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}
@media (max-width: 520px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.categories {
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg) 100%);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.category-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-white);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.category-card .cat-img {
  height: 200px;
  position: relative;
  overflow: hidden;
}
.category-card .cat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover .cat-img img {
  transform: scale(1.08);
}
.category-card .cat-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(19, 41, 64, 0.5), transparent 60%);
}
.category-card .cat-body {
  padding: 26px 28px;
}
.category-card .cat-tag {
  display: inline-block;
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}
.category-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.category-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 18px;
}
.category-card .cat-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
}
.category-card .cat-link i {
  transition: transform 0.3s ease;
}
.category-card:hover .cat-link i {
  transform: translateX(4px);
}
@media (max-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}
@media (max-width: 520px) {
  .category-grid {
    grid-template-columns: 1fr;
  }
}

.latest {
  background: var(--bg-white);
}
.latest-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.post-card {
  display: flex;
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  min-height: 180px;
}
.post-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(245, 158, 11, 0.25);
}
.post-thumb {
  flex: 0 0 180px;
  position: relative;
  overflow: hidden;
}
.post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card:hover .post-thumb img {
  transform: scale(1.05);
}
.post-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 60%, rgba(19, 41, 64, 0.15));
}
.post-body {
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}
.post-cat {
  display: inline-block;
  background: rgba(30, 58, 95, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
  width: fit-content;
}
.post-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-muted);
}
.post-meta i {
  margin-right: 4px;
  font-size: 12px;
}
.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  color: var(--text-light);
  font-size: 16px;
  border: 1px dashed var(--border);
}
.empty-tip i {
  font-size: 32px;
  display: block;
  margin-bottom: 12px;
  color: var(--text-muted);
}
@media (max-width: 768px) {
  .latest-grid {
    grid-template-columns: 1fr;
  }
  .post-card {
    flex-direction: column;
  }
  .post-thumb {
    flex: 0 0 160px;
  }
}

.process {
  background: var(--bg);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.process-step {
  text-align: center;
  padding: 36px 20px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}
.process-step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.process-step .step-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #fff;
  position: relative;
  z-index: 1;
}
.process-step:nth-child(2) .step-icon {
  background: linear-gradient(135deg, var(--accent), #f97316);
}
.process-step:nth-child(3) .step-icon {
  background: linear-gradient(135deg, #06b6d4, #0ea5e9);
}
.process-step:nth-child(4) .step-icon {
  background: linear-gradient(135deg, #10b981, #059669);
}
.process-step .step-num {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 40px;
  font-weight: 800;
  color: rgba(30, 58, 95, 0.06);
  line-height: 1;
}
.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.process-step p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}
@media (max-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}
@media (max-width: 520px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

.highlight {
  background: var(--bg-white);
}
.highlight-box {
  display: flex;
  align-items: center;
  gap: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  background-image: linear-gradient(135deg, rgba(19, 41, 64, 0.95), rgba(45, 90, 138, 0.88)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  padding: 60px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.highlight-box::after {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.2);
  filter: blur(40px);
}
.highlight-text {
  flex: 1;
  position: relative;
  z-index: 2;
}
.highlight-text h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}
.highlight-text p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.highlight-list {
  margin-bottom: 30px;
}
.highlight-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.9);
}
.highlight-list li i {
  color: var(--accent);
  font-size: 14px;
}
.highlight-img {
  flex: 0 0 360px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 2;
}
.highlight-img img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}
@media (max-width: 1024px) {
  .highlight-box {
    flex-direction: column;
    padding: 40px;
    gap: 28px;
  }
  .highlight-img {
    flex: 0 0 auto;
    width: 100%;
    max-width: 440px;
  }
}
@media (max-width: 520px) {
  .highlight-box {
    padding: 28px 20px;
  }
  .highlight-text h2 {
    font-size: 24px;
  }
}

.faq {
  background: var(--bg);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(30, 58, 95, 0.18);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary .faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(30, 58, 95, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--primary);
  transition: var(--transition);
}
.faq-item[open] summary .faq-icon {
  background: var(--accent);
  color: #fff;
}
.faq-item summary:hover {
  color: var(--primary);
}
.faq-item .faq-answer {
  padding: 0 24px 22px;
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.8;
}
.faq-item .faq-answer a {
  color: var(--accent);
  font-weight: 500;
}
@media (max-width: 520px) {
  .faq-item summary {
    font-size: 14px;
    padding: 16px 18px;
  }
  .faq-item .faq-answer {
    padding: 0 18px 18px;
  }
}

.cta {
  background: var(--bg-white);
  padding: 80px 0;
}
.cta-box {
  background: linear-gradient(135deg, var(--accent) 0%, #f97316 100%);
  border-radius: var(--radius-lg);
  padding: 60px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -80px;
  left: -40px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -20px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.cta-box h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.cta-box p {
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.92);
}
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.btn-light {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}
.btn-light:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
}
.btn-ghost-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  transform: translateY(-2px);
}
@media (max-width: 520px) {
  .cta-box {
    padding: 40px 20px;
  }
  .cta-box h2 {
    font-size: 26px;
  }
  .cta-actions .btn {
    width: 100%;
  }
}

.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 70px 0 0;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark), var(--accent));
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand h3 {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand h3 i {
  color: var(--accent);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
  display: inline-block;
}
.footer-col ul a:hover {
  color: var(--accent);
  transform: translateX(4px);
}
.footer-col ul a i {
  font-size: 12px;
  margin-right: 6px;
  color: var(--accent);
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}
.footer-contact li i {
  color: var(--accent);
  margin-top: 4px;
}
.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a {
  color: var(--accent);
}
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}
@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .site-footer {
    padding-top: 50px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .logo {
    font-size: 15px;
  }
  .nav-search input {
    height: 38px;
    font-size: 13px;
  }
  .hero h1 {
    font-size: 26px;
    letter-spacing: -0.5px;
  }
  .hero p {
    font-size: 14px;
    line-height: 1.7;
  }
  .hero-badge {
    font-size: 12px;
    padding: 5px 12px;
  }
  .btn {
    padding: 11px 22px;
    font-size: 14px;
  }
  .section-header h2 {
    font-size: 22px;
  }
  .post-body {
    padding: 18px;
  }
  .post-body h3 {
    font-size: 15px;
  }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #eef2ff;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --bg: #f8fafc;
  --bg-gray: #f1f5f9;
  --dark-bg: #0f172a;
  --dark-card: #1e293b;
  --text: #1e293b;
  --text-strong: #0f172a;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --shadow-primary: 0 10px 30px rgba(79, 70, 229, 0.3);
  --space: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --container: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== Reset & Base ========== */
*, *::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, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space);
}

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

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

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-lg);
}

.section-header .section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.section-header p {
  color: var(--text-weak);
  font-size: 1.05rem;
}

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 10px rgba(15, 23, 42, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-strong);
}

.logo i {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--white);
  border-radius: 12px;
  font-size: 1rem;
  box-shadow: var(--shadow-primary);
}

.logo-text {
  font-size: 1.25rem;
  letter-spacing: -0.5px;
}

.nav-search {
  flex: 1;
  max-width: 440px;
}

.nav-search form {
  display: flex;
  align-items: center;
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 6px 4px 18px;
  transition: var(--transition);
}

.nav-search form:focus-within {
  background: var(--white);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
}

.nav-search input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.95rem;
  color: var(--text);
  min-width: 0;
}

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

.nav-search button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-search button:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border-radius: 10px;
  background: var(--bg-gray);
  border: 1px solid var(--border);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-strong);
  border-radius: 2px;
  transition: var(--transition);
}

.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);
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  display: block;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-weak);
  border-radius: 999px;
  transition: var(--transition);
}

.main-nav a:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.main-nav a.active {
  color: var(--white);
  background: var(--primary);
  font-weight: 600;
  box-shadow: var(--shadow-primary);
}

/* ========== Page Hero ========== */
.page-hero {
  position: relative;
  padding: 100px 0 110px;
  background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(79, 70, 229, 0.85) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: var(--white);
  text-align: center;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  animation: float 8s ease-in-out infinite;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 20%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.12);
  animation: float-2 10s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(30px); }
}

@keyframes float-2 {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.1); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
}

.hero-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 8px 20px;
  border-radius: 999px;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.hero-breadcrumb a {
  opacity: 0.75;
  transition: var(--transition);
}

.hero-breadcrumb a:hover {
  opacity: 1;
}

.hero-breadcrumb i {
  font-size: 0.7rem;
  opacity: 0.5;
}

.hero-breadcrumb span {
  color: var(--accent);
  font-weight: 600;
}

.page-hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.page-hero h1 .highlight {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero .hero-desc {
  font-size: 1.12rem;
  line-height: 1.8;
  opacity: 0.9;
  margin-bottom: 34px;
}

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

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 999px;
  transition: var(--transition);
  border: 2px solid transparent;
  justify-content: center;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(79, 70, 229, 0.35);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  transform: translateY(-3px);
}

.btn-accent {
  background: var(--accent);
  color: var(--text-strong);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.btn-accent:hover {
  background: #d97706;
  color: var(--white);
  transform: translateY(-3px);
}

/* ========== Steps ========== */
.steps-section {
  position: relative;
  margin-top: -56px;
  z-index: 5;
  padding-bottom: 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.step-item {
  position: relative;
  padding: 12px 8px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.step-item:hover {
  background: var(--primary-light);
  transform: translateY(-4px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 800;
  border-radius: 14px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-primary);
}

.step-item:nth-child(2) .step-number {
  background: #8b5cf6;
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.3);
}

.step-item:nth-child(3) .step-number {
  background: var(--accent);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
}

.step-item:nth-child(4) .step-number {
  background: #10b981;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

.step-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.92rem;
  color: var(--text-weak);
  line-height: 1.6;
}

.step-arrow {
  position: absolute;
  top: 30px;
  right: -18px;
  color: var(--border);
  font-size: 1.2rem;
  z-index: 2;
}

/* ========== Feature Cards ========== */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  background: var(--primary-light);
  color: var(--primary);
}

.feature-card:nth-child(2) .feature-icon {
  background: var(--accent-light);
  color: #d97706;
}

.feature-card:nth-child(3) .feature-icon {
  background: #d1fae5;
  color: #059669;
}

.feature-card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-weak);
  font-size: 0.95rem;
  line-height: 1.7;
}

.feature-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.92rem;
}

.feature-card .card-link i {
  transition: var(--transition);
  font-size: 0.8rem;
}

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

/* ========== Content Cards with Images ========== */
.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.image-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.image-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.image-card .card-media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.image-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.card-media .card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-body {
  padding: 22px;
}

.card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-strong);
  line-height: 1.5;
  margin-bottom: 8px;
}

.card-body p {
  font-size: 0.9rem;
  color: var(--text-weak);
  line-height: 1.6;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-weak);
}

.card-meta .read-more {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-meta .read-more i {
  font-size: 0.75rem;
}

/* ========== Guide List ========== */
.guide-list-section {
  background: var(--dark-bg);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.guide-list-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.15);
}

.guide-list-section .section-header h2 {
  color: var(--white);
}

.guide-list-section .section-header p {
  color: rgba(255, 255, 255, 0.6);
}

.guide-list-section .section-header .section-tag {
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent);
}

.guide-list {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
}

.guide-item {
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 14px;
  transition: var(--transition);
}

.guide-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateX(8px);
}

.guide-rank {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.guide-item:nth-child(2) .guide-rank {
  background: #8b5cf6;
}

.guide-item:nth-child(3) .guide-rank {
  background: #0ea5e9;
}

.guide-item:nth-child(4) .guide-rank {
  background: #f59e0b;
}

.guide-item:nth-child(5) .guide-rank {
  background: #10b981;
}

.guide-content {
  flex: 1;
  min-width: 0;
}

.guide-content h3 {
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--white);
}

.guide-content p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
}

.guide-tags {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.guide-tags .tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.78rem;
  padding: 4px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ========== FAQ ========== */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.faq-item h3 {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 10px;
  line-height: 1.5;
}

.faq-item h3 i {
  color: var(--accent);
  font-size: 0.9rem;
  margin-top: 6px;
  flex-shrink: 0;
}

.faq-item p {
  color: var(--text-weak);
  font-size: 0.93rem;
  line-height: 1.7;
  margin-left: 28px;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: var(--space-xl) 0;
  overflow: hidden;
}

.cta-banner {
  position: relative;
  background-image: linear-gradient(135deg, rgba(79, 70, 229, 0.92), rgba(15, 23, 42, 0.95)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  padding: 70px 50px;
  text-align: center;
  color: var(--white);
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -60px;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.12);
}

.cta-banner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
  letter-spacing: -0.5px;
}

.cta-banner p {
  font-size: 1.08rem;
  opacity: 0.82;
  max-width: 560px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 2;
}

.cta-banner .btn {
  position: relative;
  z-index: 2;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 60px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand h3 {
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand h3 i {
  color: var(--accent);
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.8;
  opacity: 0.75;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

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

.footer-col ul a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}

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

.footer-col ul a i {
  font-size: 0.75rem;
  margin-right: 6px;
  color: var(--accent);
  opacity: 0.6;
}

.footer-contact li {
  font-size: 0.9rem;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-contact li i {
  color: var(--accent);
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}

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

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .step-arrow {
    display: none;
  }

  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .site-header .header-inner {
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .logo {
    order: 1;
  }

  .nav-toggle {
    order: 3;
    display: flex;
  }

  .nav-search {
    order: 4;
    flex: 0 0 100%;
    max-width: 100%;
    margin-top: 12px;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100%;
    background: var(--white);
    box-shadow: -10px 0 40px rgba(15, 23, 42, 0.15);
    padding: 90px 30px 30px;
    transition: right 0.35s ease;
    z-index: 999;
  }

  .main-nav.open {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .main-nav a {
    padding: 14px 20px;
    border-radius: 12px;
  }

  .page-hero {
    padding: 80px 0 90px;
  }

  .page-hero h1 {
    font-size: 2rem;
  }

  .cta-banner {
    padding: 50px 30px;
  }

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

@media (max-width: 520px) {
  .section {
    --space-xl: 56px;
  }

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

  .page-hero h1 {
    font-size: 1.7rem;
  }

  .page-hero .hero-desc {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .card-grid-3,
  .card-grid-4 {
    grid-template-columns: 1fr;
  }

  .guide-item {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .guide-tags {
    flex-wrap: wrap;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

/* ========== Focus Accessibility ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(79, 70, 229, 0.4);
  outline-offset: 2px;
}

/* roulang page: article */
:root {
  --primary: #6d5efc;
  --primary-dark: #4c3ae0;
  --primary-soft: #ece9fe;
  --accent: #f59e0b;
  --accent-soft: #fff4e0;
  --dark: #0d0a1a;
  --dark-2: #171130;
  --text: #1e1b2e;
  --text-light: #6f6b7a;
  --text-lighter: #9b97a8;
  --bg: #f6f4fb;
  --card: #ffffff;
  --border: #e6e1f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(30, 20, 60, 0.06);
  --shadow-md: 0 8px 30px rgba(30, 20, 60, 0.08);
  --shadow-lg: 0 16px 50px rgba(30, 20, 60, 0.12);
  --transition: 0.3s ease;
  --font-main: "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-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button, input { font-family: inherit; }
.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset;
}
.header-inner {
  display: grid;
  grid-template-columns: auto minmax(260px, 400px) auto;
  align-items: center;
  gap: 24px;
  padding: 14px 0;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 21px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.logo i {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  color: #fff;
  border-radius: 12px;
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(109, 94, 252, 0.35);
}
.logo-text {
  font-size: 19px;
  background: linear-gradient(120deg, var(--dark), var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-search form {
  display: flex;
  align-items: center;
  background: #f2eff8;
  border: 1px solid transparent;
  border-radius: 50px;
  padding: 4px 6px 4px 18px;
  transition: var(--transition);
}
.nav-search form:focus-within {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(109, 94, 252, 0.12);
}
.nav-search input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--text);
  padding: 8px 0;
}
.nav-search button {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
.nav-search button:hover { background: var(--primary-dark); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.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); }
.main-nav ul {
  display: flex;
  gap: 4px;
}
.main-nav li a {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  border-radius: 50px;
  transition: var(--transition);
}
.main-nav li a:hover {
  color: var(--primary);
  background: var(--primary-soft);
}
.main-nav li a.active {
  color: var(--primary-dark);
  background: var(--primary-soft);
  box-shadow: inset 0 0 0 1px rgba(109, 94, 252, 0.18);
}

/* ===== Article Banner ===== */
.article-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(13, 10, 26, 0.88), rgba(109, 94, 252, 0.68)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
  padding: 70px 0 64px;
}
.article-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 60% at 80% 20%, rgba(255, 200, 100, 0.08), transparent);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
}
.breadcrumb {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.75);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-bottom: 22px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  transition: var(--transition);
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 11px; color: rgba(255, 255, 255, 0.5); }
.breadcrumb .current { color: rgba(255, 255, 255, 0.95); font-weight: 600; }
.hero-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  color: #fff;
}
.hero-title {
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  align-items: center;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-meta i { font-size: 13px; color: rgba(255, 255, 255, 0.6); }

/* ===== Article Layout ===== */
.article-main {
  padding: 50px 0 70px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
}
.article-body {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 44px 46px;
}
.article-content {
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--text);
}
.article-content p {
  margin-bottom: 1.4em;
}
.article-content h2,
.article-content h3 {
  color: var(--dark);
  font-weight: 750;
  line-height: 1.45;
  margin: 1.6em 0 0.8em;
}
.article-content h2 { font-size: 24px; }
.article-content h3 { font-size: 20px; }
.article-content img {
  border-radius: var(--radius-md);
  margin: 1.5em 0;
  box-shadow: var(--shadow-sm);
}
.article-content ul,
.article-content ol {
  margin: 1.2em 0;
  padding-left: 1.4em;
}
.article-content ul li,
.article-content ol li {
  margin-bottom: 0.6em;
  position: relative;
}
.article-content ul li::before {
  content: '';
  position: absolute;
  left: -1.1em;
  top: 0.7em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.7;
}
.article-content a {
  color: var(--primary);
  border-bottom: 1px solid rgba(109, 94, 252, 0.3);
  transition: var(--transition);
}
.article-content a:hover { color: var(--primary-dark); border-color: var(--primary-dark); }
.article-content blockquote {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5em 0;
  color: #6b4a12;
  font-style: italic;
}
.article-content code {
  background: #f1edf8;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.92em;
  color: var(--primary-dark);
}

/* ===== Tags & Share ===== */
.article-footer-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  background: var(--bg);
  border-radius: 50px;
  font-size: 13px;
  color: var(--text-light);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.tag:hover { color: var(--primary); background: var(--primary-soft); border-color: var(--primary); }
.article-share {
  display: flex;
  gap: 8px;
  align-items: center;
}
.article-share span { font-size: 13px; color: var(--text-light); }
.share-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}
.share-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.share-btn.wechat { background: #07c160; }
.share-btn.sina { background: #e6162d; }
.share-btn.qq { background: #12b7f5; }

/* ===== Article Pager ===== */
.article-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
}
.pager-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  background: var(--bg);
  padding: 10px 18px;
  border-radius: 50px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.pager-link:hover { color: var(--primary); border-color: var(--primary); background: var(--primary-soft); transform: translateY(-2px); }

/* ===== Not Found ===== */
.not-found {
  text-align: center;
  padding: 50px 20px;
}
.not-found i {
  font-size: 56px;
  color: var(--primary);
  opacity: 0.35;
  margin-bottom: 16px;
}
.not-found h2 { font-size: 28px; color: var(--dark); margin-bottom: 10px; }
.not-found p { color: var(--text-light); margin-bottom: 24px; }
.not-found .btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
}
.not-found .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ===== Sidebar ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sidebar-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 26px;
}
.sidebar-card.cat-card {
  background: linear-gradient(145deg, var(--dark), var(--dark-2));
  color: #fff;
  border: none;
}
.sidebar-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 750;
  color: var(--dark);
  margin-bottom: 20px;
}
.sidebar-title i {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.cat-card .sidebar-title { color: #fff; margin-bottom: 16px; }
.cat-card .sidebar-title i { background: rgba(255, 255, 255, 0.15); color: #fff; }
.cat-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cat-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}
.cat-menu a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transform: translateX(4px);
}
.cat-menu a i {
  font-size: 13px;
  color: var(--accent);
}
.hot-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hot-item {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.hot-item:hover { background: var(--bg); transform: translateX(3px); }
.hot-item img {
  width: 68px;
  height: 58px;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
}
.hot-info { min-width: 0; }
.hot-info .hot-cat {
  font-size: 11.5px;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.3px;
}
.hot-info h4 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}
.safety-tip {
  background: var(--accent-soft);
  border: 1px solid #f8dfb8;
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.safety-tip i { color: var(--accent); font-size: 20px; margin-top: 2px; }
.safety-tip p { font-size: 13.5px; color: #6b4a12; line-height: 1.6; }
.sidebar-cta {
  text-align: center;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  box-shadow: 0 10px 30px rgba(109, 94, 252, 0.3);
}
.sidebar-cta h3 { font-size: 20px; margin-bottom: 8px; }
.sidebar-cta p { font-size: 13.5px; color: rgba(255, 255, 255, 0.85); margin-bottom: 18px; }
.sidebar-cta .btn-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 22px;
  background: #fff;
  color: var(--primary);
  border-radius: 50px;
  font-weight: 700;
  font-size: 14px;
  transition: var(--transition);
}
.sidebar-cta .btn-sm:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }

/* ===== Related Section ===== */
.related-section {
  padding: 20px 0 70px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
}
.section-head h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-head h2 i { color: var(--primary); }
.section-head .more-link {
  font-size: 14px;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.section-head .more-link:hover { color: var(--primary); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(109, 94, 252, 0.25);
}
.related-img {
  position: relative;
  overflow: hidden;
  height: 180px;
}
.related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .related-img img { transform: scale(1.06); }
.related-img .badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(13, 10, 26, 0.75);
  backdrop-filter: blur(5px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 50px;
}
.related-body { padding: 20px 22px 24px; }
.related-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 8px;
  transition: var(--transition);
}
.related-card:hover .related-body h3 { color: var(--primary); }
.related-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-lighter);
}

/* ===== CTA ===== */
.article-cta {
  position: relative;
  background: linear-gradient(120deg, rgba(13, 10, 26, 0.92), rgba(109, 94, 252, 0.72)), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 50px;
  margin: 0 auto 70px;
  text-align: center;
  overflow: hidden;
}
.article-cta::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.12);
}
.article-cta h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 10px;
  position: relative;
}
.article-cta p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  max-width: 520px;
  margin: 0 auto 24px;
  position: relative;
}
.cta-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
}
.cta-btn.primary { background: var(--accent); color: #1e1b2e; }
.cta-btn.primary:hover { background: #ffb224; transform: translateY(-3px); box-shadow: 0 10px 30px rgba(245, 158, 11, 0.35); }
.cta-btn.ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.cta-btn.ghost:hover { background: rgba(255, 255, 255, 0.22); transform: translateY(-3px); }

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand h3 {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand h3 i { color: var(--primary); }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 10px; }
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul li a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); padding-left: 3px; }
.footer-col ul li a i { font-size: 12px; color: var(--primary); }
.footer-contact li {
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.65);
}
.footer-contact li i { color: var(--primary); width: 16px; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.55); transition: var(--transition); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .header-inner {
    grid-template-columns: auto minmax(200px, 300px) auto;
    gap: 16px;
  }
  .main-nav li a { padding: 8px 13px; font-size: 14px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-inner { grid-template-columns: auto 1fr auto; }
  .nav-search { order: 3; grid-column: 1 / -1; }
  .nav-search form { max-width: 100%; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 16px 6%;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav li a { display: flex; padding: 12px 16px; border-radius: var(--radius-sm); }
  .article-hero { padding: 50px 0 44px; }
  .article-body { padding: 30px 24px; }
  .article-sidebar { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .article-cta { padding: 40px 24px; }
  .article-cta h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 520px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .nav-search { grid-column: 1 / -1; order: 3; }
  .logo-text { font-size: 17px; }
  .article-body { padding: 24px 18px; }
  .hero-title { font-size: 22px; }
  .hero-meta { gap: 10px; font-size: 13px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-img { height: 200px; }
  .article-footer-line { flex-direction: column; align-items: flex-start; }
  .article-pager { flex-direction: column; }
  .pager-link { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-btns { flex-direction: column; align-items: stretch; }
  .cta-btn { justify-content: center; }
}

/* roulang page: category2 */
:root{
  --primary:#4f46e5;
  --primary-dark:#3730a3;
  --primary-light:#eef2ff;
  --accent:#f59e0b;
  --accent-light:#fef3c7;
  --dark:#0f172a;
  --bg:#f5f7fb;
  --white:#ffffff;
  --text:#1e293b;
  --text-light:#64748b;
  --text-muted:#94a3b8;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 4px 24px rgba(15,23,42,.08);
  --shadow-lg:0 16px 40px rgba(15,23,42,.14);
  --transition:.3s ease;
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-base);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit}
.container{width:min(1200px,92%);margin-inline:auto}
.container-wide{width:min(1400px,94%);margin-inline:auto}
.section{padding:76px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:999px;margin-bottom:16px;letter-spacing:.5px}
.section-title{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.3;color:var(--dark);margin-bottom:12px}
.section-desc{color:var(--text-light);font-size:15px;line-height:1.8}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:var(--transition);cursor:pointer;border:2px solid transparent;line-height:1.4}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(79,70,229,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 26px rgba(79,70,229,.35)}
.btn-light{background:#fff;color:var(--dark)}
.btn-light:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.1)}
.btn-outline{border-color:var(--border);color:var(--text);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.btn:focus-visible,.nav-search input:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(79,70,229,.35);outline-offset:2px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);box-shadow:0 2px 12px rgba(15,23,42,.04)}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--dark);white-space:nowrap}
.logo i{color:var(--primary);font-size:27px}
.logo-text{background:linear-gradient(135deg,var(--primary) 10%,var(--accent) 90%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-search{flex:1;max-width:460px;margin-inline:auto}
.nav-search form{position:relative;display:flex}
.nav-search input{width:100%;height:42px;border:2px solid var(--border);border-radius:999px;padding:0 48px 0 20px;font-size:14px;background:#f8fafc;transition:var(--transition);color:var(--text)}
.nav-search input::placeholder{color:var(--text-muted)}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(79,70,229,.12)}
.nav-search button{position:absolute;right:5px;top:50%;transform:translateY(-50%);width:34px;height:34px;border-radius:50%;border:none;background:var(--primary);color:#fff;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center}
.nav-search button:hover{background:var(--primary-dark)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:transparent;border:none;cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:var(--transition)}
.nav-toggle:hover{background:var(--primary-light)}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition);margin-inline:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{display:inline-flex;align-items:center;padding:9px 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--text);transition:var(--transition)}
.main-nav a:hover{background:var(--primary-light);color:var(--primary)}
.main-nav a.active{background:var(--primary);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(79,70,229,.28)}

/* ===== Page Hero ===== */
.page-hero{position:relative;background:linear-gradient(120deg,rgba(15,23,42,.88) 0%,rgba(79,70,229,.78) 60%,rgba(245,158,11,.55) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;padding:88px 0;overflow:hidden}
.page-hero::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(245,158,11,.22),transparent 45%);pointer-events:none}
.hero-content{position:relative;z-index:2;max-width:760px}
.page-breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.75);margin-bottom:24px;flex-wrap:wrap}
.page-breadcrumb a{transition:var(--transition)}
.page-breadcrumb a:hover{color:#fff}
.page-breadcrumb i{font-size:10px;color:rgba(255,255,255,.45)}
.page-hero h1{font-size:clamp(30px,4.6vw,50px);font-weight:900;line-height:1.2;margin-bottom:16px;letter-spacing:-.5px}
.page-hero h1 span{color:var(--accent);position:relative}
.page-hero p{font-size:16px;color:rgba(255,255,255,.85);line-height:1.85;margin-bottom:34px;max-width:600px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:6px 14px;border-radius:999px;font-size:13px;backdrop-filter:blur(4px)}
.hero-badge i{color:var(--accent)}

/* ===== Category Tabs ===== */
.tabs-section{background:var(--white);border-bottom:1px solid var(--border)}
.tabs-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;padding:26px 0}
.tabs-inner span{font-weight:600;color:var(--dark);display:flex;align-items:center;gap:8px;font-size:15px}
.tabs-inner span i{color:var(--primary)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{padding:8px 18px;border-radius:999px;font-size:13px;font-weight:500;background:var(--bg);border:1px solid var(--border);color:var(--text-light);transition:var(--transition);cursor:pointer}
.tag-pill i{margin-right:5px;font-size:12px;color:var(--primary)}
.tag-pill:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.tag-pill.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(79,70,229,.24)}

/* ===== Guide Cards ===== */
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.guide-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition);position:relative}
.guide-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.guide-card-img{position:relative;height:170px;overflow:hidden}
.guide-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.guide-card:hover .guide-card-img img{transform:scale(1.07)}
.guide-card-tag{position:absolute;top:14px;left:14px;background:rgba(15,23,42,.72);backdrop-filter:blur(6px);color:#fff;font-size:12px;font-weight:500;padding:5px 13px;border-radius:999px;letter-spacing:.4px;display:flex;align-items:center;gap:5px}
.guide-card-tag i{font-size:10px;color:var(--accent)}
.guide-card-body{padding:24px}
.guide-card-title{font-size:18px;font-weight:700;color:var(--dark);line-height:1.45;margin-bottom:10px}
.guide-card-desc{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.guide-card-meta{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}
.guide-card-meta span{display:inline-flex;align-items:center;gap:5px}
.guide-card-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:13px;transition:var(--transition)}
.guide-card-link:hover{gap:10px}

/* ===== Article List ===== */
.article-section{background:var(--white)}
.article-list{display:grid;gap:16px}
.article-item{display:flex;align-items:center;gap:20px;background:var(--bg);border:1px solid transparent;border-radius:var(--radius-sm);padding:20px 24px;transition:var(--transition);cursor:pointer}
.article-item:hover{background:var(--white);border-color:var(--border);box-shadow:var(--shadow);transform:translateX(4px)}
.article-num{flex-shrink:0;width:52px;height:52px;border-radius:14px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800}
.article-info{flex:1;min-width:0}
.article-title{font-size:16px;font-weight:600;color:var(--dark);margin-bottom:6px;transition:var(--transition)}
.article-item:hover .article-title{color:var(--primary)}
.article-excerpt{font-size:13px;color:var(--text-light);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:12px;color:var(--text-muted)}
.article-meta span{display:inline-flex;align-items:center;gap:5px}
.article-meta .flag{background:var(--accent-light);color:#b45309;padding:3px 10px;border-radius:999px;font-weight:500}
.article-arrow{flex-shrink:0;width:38px;height:38px;border-radius:50%;background:var(--white);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--primary);transition:var(--transition)}
.article-item:hover .article-arrow{background:var(--primary);color:#fff;border-color:var(--primary);transform:rotate(-45deg)}

/* ===== Steps ===== */
.steps-section{background:linear-gradient(135deg,var(--dark) 0%,#1e1b4b 55%,#312e81 100%);position:relative;overflow:hidden}
.steps-section::before{content:'';position:absolute;top:-60px;right:-60px;width:260px;height:260px;background:radial-gradient(circle,rgba(245,158,11,.2),transparent 65%);border-radius:50%}
.steps-section .section-title{color:#fff}
.steps-section .section-desc{color:rgba(255,255,255,.7)}
.steps-section .section-eyebrow{background:rgba(255,255,255,.12);color:#fde68a}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2}
.step-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:32px 24px;transition:var(--transition);backdrop-filter:blur(4px)}
.step-item:hover{background:rgba(255,255,255,.11);transform:translateY(-5px);box-shadow:0 16px 32px rgba(0,0,0,.25)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--accent),#fbbf24);color:var(--dark);font-size:20px;font-weight:800;margin-bottom:20px;box-shadow:0 6px 16px rgba(245,158,11,.35)}
.step-item h3{color:#fff;font-size:17px;font-weight:700;margin-bottom:10px}
.step-item p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.75}

/* ===== Stats ===== */
.stats-section{background:var(--white)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item{position:relative;padding:40px 20px;border-radius:var(--radius);background:linear-gradient(180deg,var(--bg),var(--white));border:1px solid var(--border);transition:var(--transition)}
.stat-item:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow)}
.stat-icon{width:60px;height:60px;border-radius:16px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary);background:var(--primary-light)}
.stat-num{font-size:clamp(32px,3.6vw,44px);font-weight:900;color:var(--dark);line-height:1.2}
.stat-num em{font-style:normal;color:var(--accent)}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px}

/* ===== FAQ ===== */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:16px}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 26px;background:transparent;border:none;cursor:pointer;text-align:left;font-size:16px;font-weight:600;color:var(--dark);transition:var(--transition)}
.faq-q i{color:var(--primary);font-size:18px;transition:transform .35s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 26px}
.faq-item.open .faq-a{max-height:220px;padding-bottom:22px}
.faq-a p{font-size:14px;color:var(--text-light);line-height:1.85}

/* ===== CTA ===== */
.cta-section{padding:80px 0}
.cta-box{position:relative;border-radius:24px;background:linear-gradient(120deg,var(--primary) 0%,#7c3aed 50%,var(--accent) 100%);padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;overflow:hidden;color:#fff;box-shadow:0 24px 60px rgba(79,70,229,.3)}
.cta-box::after{content:'';position:absolute;top:-40px;right:20px;width:200px;height:200px;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 65%);border-radius:50%}
.cta-content{position:relative;z-index:2;flex:1;min-width:280px}
.cta-content h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:10px;line-height:1.35}
.cta-content p{font-size:15px;color:rgba(255,255,255,.88);line-height:1.8;max-width:560px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-light{box-shadow:0 8px 24px rgba(0,0,0,.15)}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:#cbd5e1;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand h3{color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand h3 i{color:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.8;color:#94a3b8;max-width:320px}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent);border-radius:2px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{display:inline-flex;align-items:center;gap:8px;color:#94a3b8;font-size:14px;transition:var(--transition)}
.footer-col ul a:hover{color:var(--accent);transform:translateX(4px)}
.footer-col ul a i{font-size:12px;color:var(--accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:#94a3b8;font-size:14px;margin-bottom:12px}
.footer-contact li i{color:var(--accent);margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px;color:#64748b}
.footer-bottom a{color:#94a3b8}
.footer-bottom a:hover{color:var(--accent)}

/* ===== Responsive ===== */
@media (max-width:1100px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:76px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--border);box-shadow:0 12px 30px rgba(15,23,42,.1);padding:16px 6%;max-height:0;overflow:hidden;transition:max-height .4s ease;opacity:0;visibility:hidden}
  .main-nav.open{max-height:340px;opacity:1;visibility:visible}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:6px}
  .main-nav a{justify-content:center;padding:13px 16px;border-radius:12px;font-size:15px}
  .main-nav a:hover{background:var(--primary-light)}
  .nav-search{max-width:300px}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .header-inner{height:auto;flex-wrap:wrap;padding:12px 0}
  .logo{order:1}
  .nav-toggle{order:2;margin-left:auto}
  .nav-search{order:3;width:100%;max-width:none;flex-basis:100%}
  .main-nav{order:4;top:auto;position:fixed}
  .main-nav.open{max-height:340px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .page-hero{padding:60px 0}
  .page-hero h1{font-size:30px}
  .hero-actions .btn{width:auto}
  .cards-grid{grid-template-columns:1fr;gap:18px}
  .article-item{flex-wrap:wrap;gap:14px;padding:18px}
  .article-num{width:44px;height:44px;font-size:16px}
  .article-arrow{display:none}
  .steps-grid{grid-template-columns:1fr;gap:16px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .cta-box{padding:40px 24px;text-align:center;justify-content:center}
  .cta-actions{justify-content:center;width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .tabs-inner{flex-direction:column;align-items:flex-start;padding:20px 0}
  .faq-q{font-size:15px;padding:18px 20px}
  .faq-a{padding:0 20px}
  .faq-item.open .faq-a{padding-bottom:18px}
}
@media (max-width:520px){
  .header-inner{gap:12px}
  .logo{font-size:18px}
  .logo i{font-size:22px}
  .nav-search input{padding:0 42px 0 14px;font-size:13px}
  .page-hero p{font-size:14px}
  .stats-grid{grid-template-columns:1fr;gap:12px}
  .article-title{font-size:15px}
  .article-excerpt{font-size:12px}
}

/* roulang page: category3 */
/* ========== Design Variables ========== */
  :root {
    --primary: #1a4d8f;
    --primary-dark: #0d2e5c;
    --primary-light: #e8f0fb;
    --accent: #f5a623;
    --accent-dark: #d98800;
    --bg: #f4f7fb;
    --bg-deep: #0b1e3f;
    --card-bg: #ffffff;
    --text: #1f2937;
    --text-weak: #6b7280;
    --border: #e2e8f0;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow: 0 8px 28px rgba(11, 30, 63, 0.06);
    --shadow-hover: 0 16px 42px rgba(11, 30, 63, 0.14);
    --transition: all 0.3s ease;
    --header-h: 74px;
    --section-space: 92px;
    --container: 1200px;
  }

  /* ========== Reset & Base ========== */
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

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

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
  }

  img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-md);
  }

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

  ul,
  ol {
    list-style: none;
  }

  button,
  input {
    font: inherit;
    border: none;
    outline: none;
    background: none;
  }

  button {
    cursor: pointer;
  }

  .container {
    width: min(var(--container), 92%);
    margin: 0 auto;
  }

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

  .section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 52px;
  }

  .section-head .subtitle {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 14px;
    letter-spacing: 1px;
  }

  .section-head h2 {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--text);
    margin-bottom: 14px;
  }

  .section-head p {
    color: var(--text-weak);
    font-size: 16px;
  }

  /* ========== Header ========== */
  .site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(11, 30, 63, 0.04);
  }

  .header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    min-height: var(--header-h);
    position: relative;
  }

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

  .logo i {
    font-size: 30px;
    color: var(--accent);
    background: var(--primary);
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .logo-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
    white-space: nowrap;
  }

  .nav-search {
    flex: 1;
    max-width: 360px;
    margin-left: 8px;
  }

  .nav-search form {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0 6px 0 18px;
    height: 44px;
    transition: var(--transition);
  }

  .nav-search form:focus-within {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(26, 77, 143, 0.1);
  }

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

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

  .nav-search button {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
  }

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

  .nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
    align-items: center;
    margin-left: auto;
  }

  .nav-toggle span {
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
  }

  .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);
  }

  .main-nav ul {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
  }

  .main-nav a {
    display: block;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    border-radius: 999px;
    white-space: nowrap;
  }

  .main-nav a:hover {
    color: var(--primary);
    background: var(--primary-light);
  }

  .main-nav a.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 6px 16px rgba(26, 77, 143, 0.28);
  }

  /* ========== Category Hero ========== */
  .category-hero {
    background: linear-gradient(120deg, rgba(11, 30, 63, 0.94), rgba(26, 77, 143, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding: 100px 0 90px;
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .category-hero::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -40px;
    width: 300px;
    height: 300px;
    background: rgba(245, 166, 35, 0.18);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
  }

  .hero-breadcrumb {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
  }

  .hero-breadcrumb a {
    color: rgba(255, 255, 255, 0.75);
  }

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

  .hero-breadcrumb i {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
  }

  .category-hero h1 {
    font-size: 46px;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 18px;
    letter-spacing: 1px;
  }

  .category-hero h1 span {
    color: var(--accent);
  }

  .category-hero p {
    font-size: 17px;
    max-width: 640px;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 34px;
    line-height: 1.8;
  }

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

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
  }

  .btn i {
    font-size: 15px;
  }

  .btn-accent {
    background: var(--accent);
    color: #1f2937;
    box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
  }

  .btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(217, 136, 0, 0.35);
    color: #fff;
  }

  .btn-outline {
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
    background: transparent;
  }

  .btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 24px rgba(26, 77, 143, 0.3);
  }

  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(13, 46, 92, 0.35);
  }

  .hero-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    max-width: 720px;
  }

  .hero-meta-item {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .hero-meta-item i {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--accent);
  }

  .hero-meta-item strong {
    display: block;
    font-size: 16px;
    color: #fff;
  }

  .hero-meta-item span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
  }

  /* ========== Steps ========== */
  .steps-section {
    background: #fff;
    border-bottom: 1px solid var(--border);
  }

  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
  }

  .step-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 34px 26px;
    position: relative;
    transition: var(--transition);
  }

  .step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    background: #fff;
  }

  .step-num {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: 18px;
    -webkit-text-stroke: 1px var(--primary);
    letter-spacing: -2px;
  }

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

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

  .step-icon {
    position: absolute;
    top: 26px;
    right: 26px;
    width: 42px;
    height: 42px;
    background: var(--primary);
    color: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
  }

  /* ========== Article Cards ========== */
  .articles-section {
    background: var(--bg);
  }

  .article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

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

  .article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(26, 77, 143, 0.2);
  }

  .card-media {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 9;
  }

  .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    border-radius: 0;
  }

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

  .card-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(11, 30, 63, 0.2), transparent 60%);
    border-radius: 0;
  }

  .card-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 999px;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }

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

  .card-body h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
  }

  .card-body h3 a:hover {
    color: var(--primary);
  }

  .card-body p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
  }

  .card-meta {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 13px;
    color: var(--text-weak);
    border-top: 1px solid var(--border);
    padding-top: 14px;
  }

  .card-meta i {
    margin-right: 5px;
    font-size: 12px;
    color: var(--accent);
  }

  .load-more-wrap {
    text-align: center;
    margin-top: 44px;
  }

  /* ========== Quick Links ========== */
  .quick-section {
    background: #fff;
  }

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

  .quick-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 34px 26px;
    text-align: center;
    transition: var(--transition);
  }

  .quick-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    background: #fff;
  }

  .quick-card i {
    font-size: 32px;
    color: var(--primary);
    background: var(--primary-light);
    width: 64px;
    height: 64px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    transition: var(--transition);
  }

  .quick-card:hover i {
    background: var(--primary);
    color: #fff;
    transform: scale(1.05);
  }

  .quick-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
  }

  .quick-card p {
    font-size: 14px;
    color: var(--text-weak);
  }

  .quick-card a {
    display: inline-block;
    margin-top: 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
  }

  .quick-card a:hover {
    color: var(--accent-dark);
  }

  /* ========== Stats ========== */
  .stats-section {
    background: var(--bg-deep);
    padding: 80px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .stats-section::before {
    content: '';
    position: absolute;
    top: -80px;
    left: -60px;
    width: 280px;
    height: 280px;
    background: rgba(245, 166, 35, 0.1);
    border-radius: 50%;
    filter: blur(70px);
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
  }

  .stat-item {
    text-align: center;
    padding: 30px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: var(--transition);
  }

  .stat-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
  }

  .stat-number {
    font-size: 44px;
    font-weight: 900;
    color: var(--accent);
    line-height: 1.2;
    margin-bottom: 6px;
  }

  .stat-item span {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
  }

  /* ========== Notice ========== */
  .notice-section {
    background: var(--bg);
  }

  .notice-wrap {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 40px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
  }

  .notice-visual {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 48px 40px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
  }

  .notice-visual i {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: 20px;
  }

  .notice-visual h3 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 12px;
  }

  .notice-visual p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
  }

  .notice-list {
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    justify-content: center;
  }

  .notice-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
  }

  .notice-item .notice-icon {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
  }

  .notice-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 3px;
  }

  .notice-item p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.6;
  }

  /* ========== FAQ ========== */
  .faq-section {
    background: #fff;
  }

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

  .faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    background: var(--bg);
    transition: var(--transition);
  }

  .faq-item:hover {
    border-color: rgba(26, 77, 143, 0.3);
    box-shadow: var(--shadow);
    background: #fff;
  }

  .faq-question {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    cursor: pointer;
  }

  .faq-question i {
    color: var(--accent);
    font-size: 16px;
    flex-shrink: 0;
  }

  .faq-answer {
    margin-top: 14px;
    padding-left: 30px;
    font-size: 15px;
    color: var(--text-weak);
    line-height: 1.75;
    display: none;
  }

  .faq-item.open .faq-answer {
    display: block;
  }

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

  /* ========== CTA ========== */
  .cta-section {
    background: linear-gradient(120deg, rgba(11, 30, 63, 0.95), rgba(26, 77, 143, 0.85)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    padding: 86px 0;
    color: #fff;
    text-align: center;
    position: relative;
  }

  .cta-section h2 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 16px;
  }

  .cta-section p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.8;
  }

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

  /* ========== Footer ========== */
  .site-footer {
    background: var(--bg-deep);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 30px;
    font-size: 14px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 44px;
    margin-bottom: 44px;
  }

  .footer-brand h3 {
    color: #fff;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .footer-brand h3 i {
    color: var(--accent);
    font-size: 26px;
  }

  .footer-brand p {
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 340px;
  }

  .footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
  }

  .footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
  }

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

  .footer-col ul a {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
  }

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

  .footer-col ul a i {
    font-size: 12px;
    margin-right: 6px;
    color: rgba(255, 255, 255, 0.35);
  }

  .footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.6;
    margin-bottom: 12px;
  }

  .footer-contact i {
    color: var(--accent);
    margin-top: 3px;
    width: 16px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.8;
  }

  .footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
  }

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

  /* ========== Responsive ========== */
  @media (max-width: 1024px) {
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

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

    .nav-toggle {
      display: flex;
    }

    .main-nav {
      position: absolute;
      top: calc(var(--header-h) + 1px);
      left: 0;
      right: 0;
      background: #fff;
      border-bottom: 1px solid var(--border);
      box-shadow: 0 16px 40px rgba(11, 30, 63, 0.1);
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
    }

    .main-nav.open {
      max-height: 360px;
    }

    .main-nav ul {
      flex-direction: column;
      align-items: stretch;
      gap: 2px;
      padding: 14px 20px 20px;
    }

    .main-nav a {
      border-radius: 10px;
      padding: 12px 16px;
      font-size: 15px;
      white-space: normal;
    }

    .category-hero {
      padding: 80px 0 70px;
    }

    .category-hero h1 {
      font-size: 36px;
    }

    .notice-wrap {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 768px) {
    :root {
      --section-space: 64px;
    }

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

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

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

    .hero-meta-row {
      gap: 20px;
    }

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

    .article-grid {
      grid-template-columns: 1fr;
      gap: 22px;
    }

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

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

    .stat-number {
      font-size: 34px;
    }

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

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

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 34px;
    }
  }

  @media (max-width: 520px) {
    .logo-text {
      font-size: 18px;
    }

    .logo i {
      width: 36px;
      height: 36px;
      font-size: 24px;
    }

    .category-hero {
      padding: 60px 0 54px;
    }

    .category-hero h1 {
      font-size: 25px;
    }

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

    .hero-actions .btn {
      justify-content: center;
    }

    .hero-meta-row {
      flex-direction: column;
      gap: 14px;
    }

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

    .notice-visual {
      padding: 34px 24px;
    }

    .notice-list {
      padding: 28px 20px;
    }

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

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