/* roulang page: index */
:root {
  --primary: #12805C;
  --secondary: #0A5540;
  --accent: #F5A623;
  --accent-hover: #D97E0D;
  --bg: #F2F7F4;
  --card: #FFFFFF;
  --text: #14281F;
  --text-light: #5F756C;
  --border: #DFEAE4;
  --soft-bg: #E5F1EB;
  --footer-text: #B8D0C6;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(10, 85, 64, 0.08);
  --shadow-hover: 0 16px 40px rgba(10, 85, 64, 0.16);
  --shadow-nav: 0 6px 20px rgba(10, 85, 64, 0.1);
  --transition: all 0.3s ease;
  --font-family: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum";
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--secondary);
}
img {
  max-width: 100%;
  display: block;
}
ul, ol {
  list-style: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
/* ===== Header Nav ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 20px;
  pointer-events: none;
}
.nav-container {
  max-width: 1200px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-pill);
  padding: 10px 24px;
  box-shadow: var(--shadow-nav);
  pointer-events: auto;
  border: 1px solid rgba(223,234,228,0.8);
  transition: var(--transition);
}
.logo {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.logo:hover {
  color: var(--primary);
}
.main-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-link {
  display: inline-block;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}
.nav-link:hover {
  background: var(--soft-bg);
  color: var(--secondary);
}
.nav-link.active {
  background: var(--secondary);
  color: #fff;
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 28px;
  min-height: 44px;
  border: 1.5px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
  line-height: 1.2;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(10,85,64,0.15);
}
.btn:active {
  transform: translateY(0) scale(0.98);
}
.btn:focus-visible, .nav-link:focus-visible, .nav-toggle:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
}
.btn-primary:hover {
  color: #fff;
  filter: brightness(1.04);
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #ED9512 100%);
  color: #fff;
}
.btn-accent:hover {
  color: #fff;
  filter: brightness(1.04);
}
.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: rgba(18,128,92,0.08);
  color: var(--secondary);
  border-color: var(--secondary);
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  color: #fff;
}
.btn-sm {
  padding: 8px 20px;
  min-height: 40px;
  font-size: 0.88rem;
}
.btn-lg {
  padding: 15px 40px;
  font-size: 1.05rem;
  min-height: 52px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--soft-bg);
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 1.2rem;
  flex-shrink: 0;
  min-height: 42px;
}
.nav-toggle:hover {
  background: #d5e8df;
}
/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  background: linear-gradient(180deg, rgba(242,247,244,0.95) 0%, var(--bg) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(18,128,92,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(245,166,35,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  text-align: center;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(18,128,92,0.1);
  color: var(--secondary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  border: 1px solid rgba(18,128,92,0.15);
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.hero-title span {
  color: var(--primary);
}
.hero-subtitle {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-light);
  max-width: 680px;
  margin: 0 auto 36px;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}
.hero-badges {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.data-badge {
  background: linear-gradient(135deg, var(--secondary), #063A2D);
  border-radius: 20px;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 8px 24px rgba(10,85,64,0.25);
  min-width: 160px;
  justify-content: center;
}
.data-badge-num {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.data-badge-label {
  color: rgba(255,255,255,0.9);
  font-size: 0.8rem;
  line-height: 1.3;
  text-align: left;
}
/* ===== Section Common ===== */
.section {
  padding: clamp(60px, 10vw, 110px) 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}
.section-tag {
  display: inline-block;
  background: rgba(18,128,92,0.08);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  border: 1px solid rgba(18,128,92,0.12);
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-light);
}
/* ===== Pain Section ===== */
.pain-section {
  background: var(--card);
  border-radius: 40px 40px 0 0;
  margin-top: -20px;
  position: relative;
  z-index: 3;
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.pain-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}
.pain-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
  background: var(--card);
}
.pain-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(18,128,92,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 20px;
}
.pain-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.pain-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-light);
}
/* ===== Solution ===== */
.solution-section {
  background: var(--bg);
}
.solution-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}
.solution-visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--soft-bg);
}
.solution-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.solution-content {
  padding: 20px 0;
}
.solution-content h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}
.solution-content > p {
  font-size: 0.98rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 28px;
}
.check-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
}
.check-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(18,128,92,0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
/* ===== Stats ===== */
.stats-section {
  background: var(--bg);
  padding-top: 0;
}
.stats-bar {
  background: var(--soft-bg);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  overflow: hidden;
}
.stats-bar::after {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(18,128,92,0.06);
  pointer-events: none;
}
.stat-item {
  text-align: center;
  padding: 10px 0;
  position: relative;
  z-index: 1;
}
.stat-item + .stat-item {
  border-left: 1px solid rgba(18,128,92,0.15);
}
.stat-num {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-size: 0.92rem;
  color: var(--secondary);
  font-weight: 600;
}
/* ===== Testimonial ===== */
.testimonial-section {
  background: var(--card);
}
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  background: var(--card);
}
.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 24px;
  position: relative;
  padding-top: 10px;
}
.testimonial-text::before {
  content: '\201C';
  font-size: 3rem;
  color: rgba(18,128,92,0.15);
  position: absolute;
  top: -12px;
  left: -4px;
  font-family: Georgia, serif;
  line-height: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--soft-bg);
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid #fff;
  box-shadow: 0 2px 8px rgba(10,85,64,0.1);
}
.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.testimonial-info .name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}
.testimonial-info .role {
  font-size: 0.82rem;
  color: var(--text-light);
}
/* ===== CTA Banner ===== */
.cta-section {
  background: var(--bg);
  padding-top: 0;
}
.cta-banner {
  position: relative;
  background: linear-gradient(135deg, #12805C 0%, #0A5540 100%);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px;
  left: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.cta-title {
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-subtitle {
  position: relative;
  z-index: 1;
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
/* ===== News ===== */
.news-section {
  background: var(--bg);
  padding-top: 0;
}
.news-filters {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.filter-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--card);
  color: var(--text-light);
  border: 1px solid var(--border);
  cursor: default;
  transition: var(--transition);
}
.filter-tag.active {
  background: var(--secondary);
  color: #fff;
  border-color: var(--secondary);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.news-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--soft-bg);
  overflow: hidden;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.news-card:hover .news-thumb img {
  transform: scale(1.03);
}
.news-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.news-tag {
  display: inline-block;
  background: var(--soft-bg);
  color: var(--secondary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}
.news-time {
  font-size: 0.8rem;
  color: var(--text-light);
}
.news-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 14px;
}
.news-more:hover {
  color: var(--accent-hover);
  gap: 8px;
}
/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  padding: 60px 24px;
  background: var(--bg);
  border: 1px dashed #C4DDD2;
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--text-light);
  font-size: 0.95rem;
}
.empty-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--soft-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.4rem;
  color: var(--text-light);
}
/* ===== FAQ ===== */
.faq-section {
  background: var(--card);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.faq-item.open {
  background: var(--card);
  box-shadow: var(--shadow-card);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  padding: 4px 0;
  min-height: 44px;
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(18,128,92,0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding-top: 16px;
  margin-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-light);
}
.faq-item.open .faq-answer {
  display: block;
}
/* ===== Footer ===== */
.site-footer {
  background: var(--secondary);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
  font-size: 1.1rem;
}
.footer-brand .logo-icon {
  background: rgba(255,255,255,0.15);
  color: #fff;
}
.footer-brand p {
  font-size: 0.88rem;
  color: var(--footer-text);
  line-height: 1.7;
  max-width: 300px;
}
.footer-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--footer-text);
  font-size: 0.88rem;
  transition: var(--transition);
}
.footer-links a:hover {
  color: #fff;
}
.footer-contact p {
  font-size: 0.88rem;
  color: var(--footer-text);
  line-height: 1.8;
  margin-bottom: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
}
.footer-bottom a:hover {
  color: #fff;
}
/* ===== Responsive ===== */
@media (max-width: 980px) {
  .pain-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .solution-wrap {
    grid-template-columns: 1fr;
    padding: 32px;
    gap: 32px;
  }
  .testimonial-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 20px;
  }
  .stat-item:nth-child(3) {
    border-left: none;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 24px;
    box-shadow: var(--shadow-nav);
    padding: 16px;
    gap: 4px;
    border: 1px solid var(--border);
    pointer-events: auto;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav .nav-link {
    width: 100%;
    text-align: center;
    padding: 14px 20px;
    font-size: 1rem;
  }
  .nav-container {
    flex-wrap: wrap;
  }
  .nav-actions .btn {
    display: none;
  }
}
@media (max-width: 600px) {
  .hero {
    padding: 140px 0 70px;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  .hero-badges {
    flex-direction: column;
    align-items: center;
  }
  .data-badge {
    width: 100%;
    max-width: 260px;
  }
  .pain-grid {
    grid-template-columns: 1fr;
  }
  .stats-bar {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
  .stat-item + .stat-item {
    border-left: none;
    border-top: 1px solid rgba(18,128,92,0.15);
    padding-top: 20px;
  }
  .cta-banner {
    padding: 48px 24px;
  }
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .cta-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .solution-wrap {
    padding: 24px;
  }
  .testimonial-card {
    padding: 24px;
  }
  .logo {
    font-size: 0.95rem;
  }
  .nav-container {
    padding: 8px 16px;
  }
}

/* roulang page: article */
:root {
  --primary: #12805C;
  --primary-dark: #0A5540;
  --accent: #F5A623;
  --accent-dark: #D97E0D;
  --bg: #F2F7F4;
  --card: #FFFFFF;
  --text: #14281F;
  --muted: #5F756C;
  --border: #DFEAE4;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --shadow: 0 8px 24px rgba(10, 85, 64, 0.08);
  --shadow-hover: 0 16px 40px rgba(10, 85, 64, 0.16);
  --font: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --gradient: linear-gradient(135deg, #12805C 0%, #0A5540 100%);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum";
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
ul, ol { list-style-position: inside; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.hidden { display: none !important; }

/* ==== Buttons ==== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  line-height: 1.2;
  min-height: 44px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, #F5A623 0%, #D97E0D 100%);
  color: #fff;
  box-shadow: 0 6px 16px rgba(245, 166, 35, 0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #ffb337 0%, #e08a12 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(245, 166, 35, 0.4);
}
.btn-primary:active { transform: translateY(0); }
.btn-green {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 6px 16px rgba(10, 85, 64, 0.25);
}
.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(10, 85, 64, 0.3);
}
.btn-green:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: rgba(18, 128, 92, 0.08);
  transform: translateY(-2px);
}
.btn-outline:active { transform: translateY(0); }
.btn-outline-light {
  background: transparent;
  border: 1.5px solid #fff;
  color: #fff;
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }
.btn-outline-light:active { transform: translateY(0); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; min-height: 38px; }
.btn-block { width: 100%; }

/* ==== Tag ==== */
.tag {
  display: inline-block;
  background: #E5F1EB;
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1;
  padding: 6px 12px;
  border-radius: 999px;
}

/* ==== Site Header ==== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 16px 20px 0;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 999px;
  padding: 8px 12px 8px 8px;
  box-shadow: 0 6px 20px rgba(10, 85, 64, 0.1);
  border: 1px solid rgba(223, 234, 228, 0.7);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text);
  white-space: nowrap;
  padding: 4px 8px;
  border-radius: 999px;
  transition: background 0.25s ease;
}
.logo:hover { background: rgba(229, 241, 235, 0.7); }
.logo:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 12px; }
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.main-nav {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: background 0.25s ease, color 0.25s ease;
  min-height: 40px;
}
.nav-link:hover { background: #E5F1EB; color: var(--primary-dark); }
.nav-link.active { background: var(--gradient); color: #fff; font-weight: 600; box-shadow: 0 4px 12px rgba(10, 85, 64, 0.2); }
.nav-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 10px;
  border-radius: 12px;
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  transition: background 0.25s ease;
}
.nav-toggle:hover { background: #E5F1EB; }
.nav-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ==== Article Hero ==== */
.article-hero {
  background: linear-gradient(135deg, #FFFFFF 0%, #E5F1EB 100%);
  padding: 64px 20px 48px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: var(--primary);
  font-weight: 500;
  transition: color 0.2s ease;
}
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.breadcrumb .current { color: var(--muted); }
.article-hero-inner { max-width: 860px; margin: 0 auto; }
.article-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.3;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.article-hero .subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto 20px;
  line-height: 1.7;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 28px;
  font-size: 0.85rem;
  color: var(--muted);
}
.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta .meta-item::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.article-meta .meta-item:first-child::before { display: none; }

/* ==== Article Body ==== */
.article-body-section {
  background: var(--bg);
  padding: 56px 0 24px;
}
.article-container {
  max-width: 860px;
  margin: 0 auto;
}
.article-body {
  background: #fff;
  border: 1px solid rgba(223, 234, 228, 0.7);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 48px 56px;
}
.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--text);
  font-weight: 700;
  line-height: 1.4;
  margin-top: 36px;
  margin-bottom: 14px;
  scroll-margin-top: 100px;
}
.article-body h2 {
  font-size: 1.5rem;
  padding-bottom: 10px;
  border-bottom: 2px solid #E5F1EB;
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-body h2::before {
  content: "";
  width: 4px;
  height: 24px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}
.article-body h3 { font-size: 1.2rem; }
.article-body h4 { font-size: 1.05rem; }
.article-body p {
  font-size: 1rem;
  line-height: 1.9;
  color: #2C443A;
  margin-bottom: 24px;
}
.article-body a {
  color: var(--primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}
.article-body a:hover { color: var(--accent-dark); }
.article-body a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.article-body ul,
.article-body ol {
  margin: 0 0 24px;
  padding-left: 8px;
  line-height: 1.8;
  color: #2C443A;
}
.article-body ul li,
.article-body ol li {
  margin-bottom: 10px;
  padding-left: 4px;
}
.article-body ul > li::marker { color: var(--primary); }
.article-body ol > li::marker { color: var(--primary); font-weight: 600; }
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: #FAF6EC;
  padding: 20px 24px;
  margin: 28px 0;
  border-radius: 0 16px 16px 0;
  color: #4A5F54;
  font-size: 1rem;
  line-height: 1.8;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body img {
  border-radius: var(--radius-md);
  margin: 24px auto;
  box-shadow: 0 4px 16px rgba(10, 85, 64, 0.1);
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.92rem;
  border-radius: 12px;
  overflow: hidden;
}
.article-body table th,
.article-body table td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  text-align: left;
}
.article-body table th {
  background: #E5F1EB;
  color: var(--primary-dark);
  font-weight: 600;
}
.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}
/* ===== Not Found ===== */
.not-found {
  text-align: center;
  padding: 48px 24px;
}
.not-found h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  border: none;
  padding: 0;
}
.not-found h2::before { display: none; }
.not-found p {
  color: var(--muted);
  margin-bottom: 24px;
}

/* ==== Related Section ==== */
.related-section {
  background: var(--bg);
  padding: 40px 0 72px;
}
.section-head {
  text-align: center;
  margin-bottom: 36px;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
}
.section-head .section-desc {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 8px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(223, 234, 228, 0.8);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.related-card .related-thumb {
  height: 160px;
  overflow: hidden;
  background: #E5F1EB;
}
.related-card .related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.04); }
.related-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.related-body .tag { align-self: flex-start; margin-bottom: 10px; }
.related-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text);
}
.related-body h3 a {
  color: inherit;
  transition: color 0.2s ease;
}
.related-body h3 a:hover { color: var(--primary); }
.related-body h3 a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.related-body p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}
.related-body .related-link {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  transition: color 0.2s ease, gap 0.2s ease;
}
.related-body .related-link:hover { color: var(--accent-dark); gap: 10px; }
.related-body .related-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* ==== CTA Bar ==== */
.cta-bar {
  background: var(--bg);
  padding: 16px 0 80px;
}
.cta-card {
  background: var(--gradient);
  border-radius: var(--radius-lg);
  padding: 44px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(10, 85, 64, 0.25);
}
.cta-card::before,
.cta-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}
.cta-card::before { width: 200px; height: 200px; top: -80px; right: -40px; }
.cta-card::after { width: 120px; height: 120px; bottom: -50px; left: 20%; }
.cta-text { position: relative; z-index: 1; }
.cta-text h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.cta-text p {
  font-size: 0.95rem;
  color: #D6EBE2;
  max-width: 480px;
  line-height: 1.6;
}
.cta-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ==== Footer ==== */
.site-footer {
  background: #0A5540;
  color: #fff;
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand .logo { color: #fff; padding: 0; }
.footer-brand .logo:hover { background: transparent; }
.footer-brand .logo-icon { background: rgba(255, 255, 255, 0.15); color: #f5f5f5; }
.footer-brand p {
  margin-top: 16px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: #B8D0C6;
  max-width: 360px;
}
.footer-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
}
.footer-links,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a,
.footer-contact p {
  font-size: 0.88rem;
  color: #B8D0C6;
  line-height: 1.6;
  transition: color 0.2s ease;
}
.footer-links a:hover { color: #fff; }
.footer-links a:focus-visible,
.site-footer a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.2s ease;
}
.footer-bottom a:hover { color: #fff; }

/* ==== Responsive ==== */
@media (max-width: 980px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-card { padding: 36px 32px; }
  .article-body { padding: 36px 32px; }
}
@media (max-width: 768px) {
  .nav-actions .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header { padding: 12px 12px 0; }
  .nav-container { border-radius: 24px; padding: 6px; flex-wrap: wrap; }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-radius: 20px;
    padding: 12px;
    margin-top: 6px;
    box-shadow: 0 12px 32px rgba(10, 85, 64, 0.18);
    border: 1px solid rgba(223, 234, 228, 0.8);
  }
  .main-nav.open { display: flex; }
  .nav-link { justify-content: flex-start; font-size: 1rem; }
  .article-hero { padding: 48px 16px 40px; }
  .cta-card { flex-direction: column; text-align: center; justify-content: center; padding: 32px 24px; }
  .cta-text p { margin: 0 auto; }
}
@media (max-width: 600px) {
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .article-body { padding: 28px 20px; }
  .article-meta { gap: 10px 18px; }
  .cta-actions { width: 100%; justify-content: center; }
  .cta-actions .btn { flex: 1; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .article-hero h1 { font-size: 1.6rem; }
  .section-head h2 { font-size: 1.5rem; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #12805C;
            --primary-dark: #0A5540;
            --accent: #F5A623;
            --accent-dark: #D97E0D;
            --bg: #F2F7F4;
            --white: #FFFFFF;
            --text: #14281F;
            --text-muted: #5F756C;
            --border: #DFEAE4;
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(10, 85, 64, 0.08);
            --shadow-hover: 0 16px 40px rgba(10, 85, 64, 0.16);
            --shadow-nav: 0 6px 20px rgba(10, 85, 64, 0.10);
            --transition: all 0.3s ease;
            --gradient-primary: linear-gradient(135deg, #12805C 0%, #0A5540 100%);
            --gradient-accent: linear-gradient(135deg, #F5A623 0%, #D97E0D 100%);
            --font: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
        }

        /* ===== Base / Reset ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            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 {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        /* ===== Utility ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            min-height: 44px;
            border: 1.5px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            filter: brightness(1.04);
            box-shadow: 0 8px 22px rgba(10, 85, 64, 0.22);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-accent {
            background: var(--gradient-accent);
            color: #fff;
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            filter: brightness(1.04);
            box-shadow: 0 8px 22px rgba(217, 126, 13, 0.25);
        }
        .btn-accent:active {
            transform: translateY(1px);
        }
        .btn-outline {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(18, 128, 92, 0.08);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 8px 18px;
            min-height: 36px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 36px;
            min-height: 48px;
            font-size: 16px;
        }
        .btn-full {
            width: 100%;
        }
        .btn-outline-light {
            border-color: var(--accent);
            color: var(--accent);
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(245, 166, 35, 0.12);
            color: #FFD08A;
            border-color: #FFC86B;
            transform: translateY(-2px);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: 100%;
            max-width: 1240px;
            padding: 0 20px;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-pill);
            padding: 8px 12px 8px 18px;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(223, 234, 228, 0.6);
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--gradient-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            min-height: 36px;
        }
        .nav-link:hover {
            background: #E5F1EB;
            color: var(--primary-dark);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            color: var(--text);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: #E5F1EB;
        }
        .nav-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 180px 0 80px;
            background:
                linear-gradient(rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.88)),
                url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            text-align: center;
        }
        .breadcrumb {
            display: inline-flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            background: rgba(255, 255, 255, 0.75);
            border: 1px solid var(--border);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 22px;
        }
        .breadcrumb a {
            color: var(--primary);
            font-weight: 500;
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--accent-dark);
        }
        .page-banner h1 {
            font-size: clamp(2.2rem, 5vw, 3.2rem);
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .page-banner .subtitle {
            max-width: 680px;
            margin: 0 auto 26px;
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .banner-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border);
            color: var(--primary-dark);
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            box-shadow: 0 2px 12px rgba(10, 85, 64, 0.05);
        }

        /* ===== Section Base ===== */
        .section-head {
            text-align: center;
            margin-bottom: 42px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== Guide Section ===== */
        .guide-section {
            background: var(--white);
            padding: 72px 0 20px;
            border-bottom: 1px solid var(--border);
        }
        .guide-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 48px;
            align-items: start;
        }
        .guide-sidebar {
            position: sticky;
            top: 104px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .guide-toc {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px 14px;
        }
        .toc-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-dark);
            padding: 4px 10px 12px;
            letter-spacing: 0.3px;
        }
        .toc-link {
            display: block;
            padding: 9px 12px;
            border-radius: 10px;
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            transition: var(--transition);
        }
        .toc-link:hover {
            background: #E5F1EB;
            color: var(--primary-dark);
            padding-left: 16px;
        }
        .sidebar-card {
            background: var(--gradient-primary);
            border-radius: var(--radius-xl);
            padding: 26px 22px;
            text-align: center;
            color: #fff;
        }
        .sidebar-card .btn {
            margin-top: 12px;
            background: var(--white);
            color: var(--primary-dark);
        }
        .sidebar-card .btn:hover {
            background: #E5F1EB;
        }
        .guide-main {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }
        .guide-block {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 28px;
            scroll-margin-top: 120px;
        }
        .guide-block h2 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .guide-block h2::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--accent);
            border-radius: 4px;
        }
        .guide-block p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        /* ===== Cards Section ===== */
        .cards-section {
            padding: 72px 0;
        }
        .cards-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .guide-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-thumb {
            position: relative;
            aspect-ratio: 16 / 8;
            overflow: hidden;
            background: #E5F1EB;
        }
        .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guide-card:hover .card-thumb img {
            transform: scale(1.04);
        }
        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            box-shadow: 0 2px 10px rgba(10, 85, 64, 0.08);
        }
        .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
            line-height: 1.45;
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            transition: color 0.2s;
        }
        .card-link:hover {
            color: var(--accent-dark);
        }
        .card-link svg {
            transition: transform 0.2s;
        }
        .card-link:hover svg {
            transform: translateX(3px);
        }

        /* ===== Process Section ===== */
        .process-section {
            padding: 72px 0;
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-item {
            position: relative;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            transition: var(--transition);
        }
        .process-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .process-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1;
            margin-bottom: 14px;
        }
        .process-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .process-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .process-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            color: var(--border);
            font-size: 22px;
            z-index: 1;
        }

        /* ===== Security Section ===== */
        .security-section {
            padding: 72px 0;
        }
        .security-panel {
            background: #E5F1EB;
            border-radius: var(--radius-xl);
            padding: 42px 36px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .security-item {
            text-align: center;
            padding: 12px 10px;
        }
        .security-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 14px;
            border-radius: 18px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            box-shadow: 0 8px 18px rgba(10, 85, 64, 0.18);
        }
        .security-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .security-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .security-divider {
            width: 1px;
            height: 56px;
            background: rgba(18, 128, 92, 0.18);
            margin: auto 0;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 72px 0 0;
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: rgba(18, 128, 92, 0.35);
            box-shadow: var(--shadow-card);
        }
        .faq-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            background: none;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            min-height: 56px;
            transition: color 0.2s;
        }
        .faq-btn:hover {
            color: var(--primary);
        }
        .faq-btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .faq-icon {
            position: relative;
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            background: #E5F1EB;
            transition: var(--transition);
        }
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.3s ease;
        }
        .faq-icon::before {
            top: 11px;
            left: 7px;
            width: 10px;
            height: 2px;
        }
        .faq-icon::after {
            top: 7px;
            left: 11px;
            width: 2px;
            height: 10px;
        }
        .faq-item.active .faq-icon {
            background: var(--primary);
        }
        .faq-item.active .faq-icon::before {
            transform: rotate(0);
        }
        .faq-item.active .faq-icon::after {
            transform: rotate(90deg);
            background: #fff;
        }
        .faq-item.active .faq-icon::before {
            background: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 20px;
        }
        .faq-answer-inner {
            padding: 16px 0 20px;
            border-top: 1px solid var(--border);
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.85;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 72px 0;
        }
        .cta-banner {
            position: relative;
            background: var(--gradient-primary);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            top: -80px;
            right: -60px;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            bottom: -60px;
            left: -40px;
        }
        .cta-banner h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 15px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: #fff;
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.9;
            color: #B8D0C6;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: #B8D0C6;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-contact p {
            font-size: 14px;
            color: #B8D0C6;
            line-height: 1.9;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 980px) {
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 10px);
                left: 12px;
                right: 12px;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                border-radius: 24px;
                padding: 16px;
                gap: 6px;
                box-shadow: var(--shadow-hover);
                border: 1px solid var(--border);
            }
            .main-nav.open {
                display: flex;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .guide-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .guide-sidebar {
                display: none;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .security-panel {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .cards-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 600px) {
            .nav-container {
                border-radius: 22px;
                padding: 6px 10px 6px 14px;
            }
            .logo {
                font-size: 14px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 12px;
            }
            .nav-link {
                font-size: 15px;
                justify-content: flex-start;
                padding: 10px 14px;
            }
            .btn-sm {
                padding: 6px 12px;
                font-size: 13px;
                min-height: 34px;
            }
            .page-banner {
                padding: 150px 0 60px;
            }
            .page-banner h1 {
                font-size: clamp(1.9rem, 7vw, 2.4rem);
            }
            .page-banner .subtitle {
                font-size: 15px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .process-arrow {
                display: none;
            }
            .security-panel {
                grid-template-columns: 1fr;
                padding: 32px 20px;
            }
            .guide-block {
                padding: 20px 18px;
            }
            .section-head {
                margin-bottom: 28px;
            }
            .cta-banner {
                padding: 40px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                padding: 16px 10px;
            }
        }

        @media (max-width: 380px) {
            .logo span:last-child {
                max-width: 150px;
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
            }
            .nav-actions .btn-sm {
                display: none;
            }
        }