/* roulang page: index */
:root {
  --primary: #0B6B57;
  --primary-dark: #074A3C;
  --primary-deep: #052E26;
  --primary-light: #E5F1EC;
  --bg: #F5F3EE;
  --surface: #FFFFFF;
  --cream: #F0EBE1;
  --text: #182723;
  --text-secondary: #5B6E68;
  --accent: #C96F2C;
  --border: #E5DFD3;
  --dark-green: #102D26;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(16, 45, 38, 0.05);
  --shadow-md: 0 8px 24px rgba(16, 45, 38, 0.07);
  --shadow-hover: 0 14px 34px rgba(16, 45, 38, 0.1);
  --transition: 0.25s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}
h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  line-height: 1.3;
  font-weight: 700;
}
p {
  margin-bottom: 1rem;
}
.container-xl {
  max-width: 1280px;
  padding-left: 20px;
  padding-right: 20px;
  margin-left: auto;
  margin-right: auto;
}
.container {
  max-width: 1280px;
}
.section {
  padding: 90px 0;
}
.section-sm {
  padding: 54px 0;
}
.section-white {
  background: var(--surface);
}
.section-cream {
  background: var(--cream);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(245, 243, 238, 0.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: none;
}
.site-header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
  gap: 16px;
}
.header-nav-left,
.header-nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
}
.header-nav-left {
  justify-content: flex-end;
}
.header-nav-right {
  justify-content: flex-start;
}
.header-link {
  display: inline-block;
  padding: 0.55rem 0.9rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-sm);
  position: relative;
  white-space: nowrap;
}
.header-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.header-link.active {
  color: var(--primary-dark);
  font-weight: 600;
}
.header-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}
.brand-logo {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--primary-dark);
  text-decoration: none;
  display: inline-block;
  text-align: center;
  line-height: 1.2;
}
.brand-logo .brand-highlight {
  color: var(--accent);
}
.brand-logo:hover {
  color: var(--primary-dark);
}
.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--text);
}
.menu-toggle svg {
  width: 22px;
  height: 22px;
}
.mobile-nav-menu {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 18px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mobile-nav-menu .header-link {
  display: block;
  padding: 12px 14px;
  border-radius: var(--radius-md);
}
.mobile-nav-menu .header-link.active {
  background: var(--primary-light);
}

/* ===== Button ===== */
.btn {
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  padding: 0.65rem 1.4rem;
  line-height: 1.5;
}
.btn-forest {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  min-height: 46px;
}
.btn-forest:hover,
.btn-forest:active {
  background: var(--primary-deep);
  border-color: var(--primary-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(7, 74, 60, 0.18);
}
.btn-forest:focus,
.btn-outline-green:focus {
  outline: 3px solid rgba(11, 107, 87, 0.25);
  outline-offset: 2px;
}
.btn-outline-green {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary-dark);
  min-height: 46px;
}
.btn-outline-green:hover {
  background: var(--primary-light);
  border-color: var(--primary-dark);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary-dark);
}
.arrow-link:hover {
  color: var(--primary-deep);
  text-decoration: underline;
}
.arrow-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}
.arrow-link:hover svg {
  transform: translateX(3px);
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  color: #fff;
  isolation: isolate;
  background: var(--primary-deep);
}
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 42, 35, 0.88) 0%, rgba(7, 74, 60, 0.68) 100%),
    url("/assets/images/backpic/back-1.png") center / cover no-repeat;
  z-index: -1;
}
.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: -1;
}
.hero-copy {
  padding: 96px 0 70px;
  max-width: 760px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
  text-transform: uppercase;
  font-weight: 600;
}
.hero-copy h1 {
  color: #fff;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
}
.hero-copy .hero-lead {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.08rem;
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 640px;
}
.hero-copy .btn-forest {
  background: #fff;
  border-color: #fff;
  color: var(--primary-dark);
  font-size: 1.02rem;
}
.hero-copy .btn-forest:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}
.hero-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
  margin-top: 58px;
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.hero-trust {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  max-width: 230px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.9rem;
  line-height: 1.6;
}
.hero-trust svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.8);
}
.hero-trust strong {
  display: block;
  color: #fff;
  font-weight: 600;
  margin-bottom: 2px;
}

/* ===== Section heading ===== */
.section-head {
  margin-bottom: 46px;
  max-width: 780px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head .tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(1.55rem, 2.7vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ===== Pain section ===== */
.pain-section {
  background: var(--surface);
}
.pain-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 46px;
  align-items: center;
}
.pain-text h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 18px;
}
.pain-text p {
  color: var(--text-secondary);
  margin-bottom: 18px;
}
.pain-note {
  font-size: 0.92rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.pain-note svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--accent);
  margin-top: 4px;
}
.pain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pain-list li {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 18px 14px 48px;
  position: relative;
  font-size: 0.97rem;
  line-height: 1.65;
  transition: all var(--transition);
}
.pain-list li:hover {
  border-color: rgba(201, 111, 44, 0.5);
  background: #FDF9F3;
  box-shadow: var(--shadow-sm);
}
.pain-list li::before {
  content: "!";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: rgba(201, 111, 44, 0.15);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  line-height: 21px;
}

/* ===== Solutions step ===== */
.solution-section {
  background: var(--bg);
}
.solution-item {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 70px;
}
.solution-item:last-child {
  margin-bottom: 0;
}
.solution-item.flip .solution-text {
  order: 2;
}
.solution-item.flip .solution-media {
  order: 1;
}
.solution-text .step-num {
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(11, 107, 87, 0.22);
  margin-bottom: 12px;
  font-family: "SF Mono", "Segoe UI Mono", monospace;
  letter-spacing: -0.03em;
}
.solution-text h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.solution-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.solution-text ul {
  padding-left: 0;
  list-style: none;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.solution-text ul li {
  position: relative;
  padding-left: 24px;
  font-size: 0.96rem;
}
.solution-text ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary-light);
  border: 2px solid var(--primary);
}
.solution-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-md);
  line-height: 0;
}
.solution-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ===== Result metrics ===== */
.metrics-section {
  color: #fff;
  background: var(--dark-green);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.metrics-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(130deg, rgba(8, 50, 40, 0.92), rgba(5, 35, 28, 0.82)),
    url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  z-index: -1;
}
.metrics-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.metrics-title h2 {
  color: #fff;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1.35;
  margin-bottom: 16px;
}
.metrics-title p {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 0;
}
.metrics-title .btn-outline-green {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
  margin-top: 24px;
}
.metrics-title .btn-outline-green:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}
.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.metric-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  backdrop-filter: none;
  transition: all var(--transition);
}
.metric-card:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-3px);
}
.metric-card .metric-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 14px;
  color: #7CC5AC;
}
.metric-card .metric-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.metric-card .metric-desc {
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.9rem;
  margin: 0;
}

/* ===== Testimonials ===== */
.testimonial-section {
  background: var(--surface);
}
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}
.testimonial-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 32px 28px;
  transition: all var(--transition);
  position: relative;
}
.testimonial-card:nth-child(2) {
  margin-top: 34px;
}
.testimonial-card:hover {
  background: #FBF7F0;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.testimonial-card .quote-mark {
  font-size: 2.6rem;
  line-height: 1;
  font-family: Georgia, serif;
  color: var(--primary);
  opacity: 0.5;
  display: block;
  margin-bottom: 4px;
}
.testimonial-card p {
  color: var(--text);
  font-size: 0.99rem;
  margin-bottom: 22px;
}
.testimonial-person {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}
.testimonial-person-name {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0;
  line-height: 1.3;
}
.testimonial-person-role {
  color: var(--text-secondary);
  font-size: 0.83rem;
  margin: 0;
}

/* ===== News CMS ===== */
.news-section {
  background: var(--bg);
}
.news-list-wrap {
  max-width: 960px;
  margin: 0 auto;
}
.news-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-bottom: 18px;
  transition: all var(--transition);
}
.news-row:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(11, 107, 87, 0.35);
  transform: translateY(-2px);
}
.news-row-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--primary-light);
}
.news-row-media img {
  width: 100%;
  height: 100%;
  min-height: 120px;
  object-fit: cover;
}
.news-row-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4px 0;
}
.news-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}
.chip {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  line-height: 1.6;
}
.news-row h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.45;
}
.news-row h3 a {
  color: var(--text);
}
.news-row h3 a:hover {
  color: var(--primary);
}
.news-excerpt {
  color: var(--text-secondary);
  font-size: 0.92rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.news-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.news-date {
  color: var(--text-secondary);
  font-size: 0.82rem;
}
.news-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.news-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}
.empty-panel {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 24px;
  text-align: center;
  color: var(--text-secondary);
  background: var(--surface);
  font-size: 0.98rem;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--surface);
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md) !important;
  overflow: hidden;
  margin-bottom: 14px;
  background: var(--surface);
  transition: all var(--transition);
}
.accordion-item:has(.accordion-button[aria-expanded="true"]) {
  background: var(--primary-light);
  border-color: rgba(11, 107, 87, 0.3);
}
.accordion-button {
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  padding: 20px 24px;
  box-shadow: none;
  border: none;
  transition: background var(--transition);
}
.accordion-button:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary-dark);
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: none;
  outline: 2px solid rgba(11, 107, 87, 0.2);
  outline-offset: -2px;
}
.accordion-button::after {
  display: none;
}
.faq-icon {
  margin-left: auto;
  min-width: 28px;
  height: 28px;
  margin-right: 0;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: background var(--transition), transform var(--transition);
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 2px;
  background: var(--primary-dark);
  border-radius: 2px;
}
.faq-icon::after {
  transform: rotate(90deg);
  transition: transform var(--transition);
}
.accordion-button[aria-expanded="true"] .faq-icon {
  background: var(--primary);
  transform: rotate(45deg);
}
.accordion-button[aria-expanded="true"] .faq-icon::before,
.accordion-button[aria-expanded="true"] .faq-icon::after {
  background: #fff;
}
.accordion-body {
  background: var(--primary-light);
  color: var(--text);
  padding: 8px 24px 24px;
  font-size: 0.96rem;
}
.accordion-body p:last-child {
  margin-bottom: 0;
}

/* ===== Final CTA ===== */
.final-cta-section {
  position: relative;
  background: var(--primary-deep);
  color: #fff;
  padding: 100px 0;
  text-align: center;
  isolation: isolate;
}
.final-cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(4, 40, 30, 0.9), rgba(11, 107, 87, 0.82)), url("/assets/images/backpic/back-3.png") center / cover no-repeat;
  z-index: -1;
}
.final-cta-inner {
  max-width: 700px;
  margin: 0 auto;
}
.final-cta-inner .tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.final-cta-inner h2 {
  color: #fff;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 18px;
}
.final-cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}
.final-cta-section .btn-forest {
  background: #fff;
  border-color: #fff;
  color: var(--primary-dark);
  min-width: 190px;
  font-size: 1.05rem;
}
.final-cta-section .btn-forest:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark-green);
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.9rem;
}
.footer-top {
  padding: 60px 0 44px;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 48px;
}
.footer-brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.footer-description {
  max-width: 300px;
  line-height: 1.75;
  margin-bottom: 0;
}
.footer-column-title {
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.72);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: #fff;
  text-decoration: underline;
}
.footer-note {
  line-height: 1.8;
  max-width: 260px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.83rem;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}
.footer-bottom a:hover {
  color: #fff;
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .section {
    padding: 64px 0;
  }
  .hero-copy {
    padding: 70px 0 50px;
  }
  .solution-item {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .solution-item.flip .solution-text {
    order: 1;
  }
  .solution-item.flip .solution-media {
    order: 2;
  }
  .metrics-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  .site-header-inner {
    min-height: 66px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
  }
  .header-nav-left,
  .header-nav-right {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .brand-logo {
    justify-self: start;
    font-size: 1.3rem;
  }
  .hero-section {
    min-height: auto;
  }
  .hero-copy {
    padding: 60px 0 46px;
  }
  .hero-trust-row {
    gap: 16px;
    flex-direction: column;
    margin-top: 34px;
  }
  .pain-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  .testimonial-card:nth-child(2) {
    margin-top: 0;
  }
  .metrics-title .btn-outline-green {
    margin-top: 14px;
  }
  .news-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .news-row-media img {
    max-height: 180px;
  }
  .final-cta-section {
    padding: 70px 0;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 48px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .section-head {
    margin-bottom: 30px;
  }
  .metric-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .metric-card {
    padding: 20px 16px;
  }
  .solution-text .step-num {
    font-size: 2.8rem;
  }
}
@media (max-width: 520px) {
  .metric-grid {
    grid-template-columns: 1fr;
  }
  .btn {
    width: 100%;
  }
  .accordion-button {
    font-size: 0.95rem;
    padding: 18px 16px;
  }
  .news-footer {
    flex-wrap: wrap;
  }
  .solution-item {
    margin-bottom: 52px;
  }
}

/* roulang page: article */
body{font-family:"Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7;color:#1f2937;background:#f7f9fc}
  header,footer{background:#0f172a;color:#fff} header a,footer a{color:inherit;text-decoration:none}
  main section{padding:64px 0} .container{max-width:1180px}
  .hero,.site-hero{background:linear-gradient(135deg,#0f172a,#1d4ed8);color:#fff}
  .card,.feature-card,.service-card,.category-card{border:1px solid rgba(15,23,42,.08);box-shadow:0 12px 32px rgba(15,23,42,.08);border-radius:16px}
  .btn,.button,a[class*="btn"]{border-radius:999px;font-weight:700}
  img{max-width:100%;height:auto} @media(max-width:768px){main section{padding:42px 0} h1{font-size:2rem}}

/* roulang page: category2 */
:root {
  --primary: #0B6B57;
  --primary-dark: #074A3C;
  --primary-light: #E5F1EC;
  --bg: #F5F3EE;
  --surface: #FFFFFF;
  --text: #182723;
  --text-weak: #5B6E68;
  --accent: #C96F2C;
  --line: #E5DFD3;
  --dark-green: #102D26;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(8, 50, 40, 0.05);
  --shadow-md: 0 10px 30px rgba(8, 50, 40, 0.08);
  --transition: all .25s ease;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;}
button{font-family:inherit;}
.container-xl{max-width:1280px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1060;
  background:rgba(249,247,242,.92);
  border-bottom:1px solid var(--line);
}
.site-header-inner{
  min-height:76px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
}
.header-nav-left,.header-nav-right{
  display:flex;
  align-items:center;
  gap:28px;
}
.header-nav-right{justify-content:flex-end;}
.brand-logo{
  display:inline-flex;
  align-items:baseline;
  font-size:1.55rem;
  font-weight:800;
  color:var(--text);
  letter-spacing:-.5px;
  padding:.35rem .8rem;
  border-radius:14px;
  background:var(--primary-light);
  border:1px solid #CDE2D9;
  white-space:nowrap;
}
.brand-highlight{color:var(--primary);}
.header-link{
  position:relative;
  font-size:.94rem;
  font-weight:500;
  color:var(--text);
  padding:.45rem .25rem;
  transition:var(--transition);
  white-space:nowrap;
}
.header-link:hover{color:var(--primary);}
.header-link.active{color:var(--primary-dark);font-weight:600;}
.header-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:0;
  width:22px;
  height:4px;
  background:var(--primary);
  border-radius:4px;
}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  align-items:center;
  justify-content:center;
  color:var(--primary-dark);
  box-shadow:var(--shadow-sm);
}
.menu-toggle svg{width:21px;height:21px;}
.mobile-nav-menu{
  background:#FBF9F4;
  border-top:1px solid var(--line);
  padding:12px 24px 22px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
@media (max-width:991.98px){
  .site-header-inner{grid-template-columns:1fr auto;min-height:68px;}
  .header-nav-left,.header-nav-right{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand-logo{font-size:1.35rem;}
}

/* ---------- Buttons ---------- */
.btn-green{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--dark-green);
  color:#fff;
  font-weight:600;
  font-size:.95rem;
  min-height:48px;
  padding:.7rem 1.5rem;
  border-radius:var(--radius-sm);
  border:1px solid var(--dark-green);
  transition:var(--transition);
}
.btn-green svg{width:16px;height:16px;transition:transform .25s ease;}
.btn-green:hover{background:var(--primary-dark);color:#fff;border-color:var(--primary-dark);transform:translateY(-2px);}
.btn-green:hover svg{transform:translateX(3px);}
.btn-outline-green{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:transparent;
  color:var(--primary);
  font-weight:600;
  font-size:.95rem;
  min-height:48px;
  padding:.7rem 1.5rem;
  border-radius:var(--radius-sm);
  border:1px solid var(--primary);
  transition:var(--transition);
}
.btn-outline-green:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary-dark);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:.95rem;transition:var(--transition);}
.link-arrow svg{transition:transform .25s ease;}
.link-arrow:hover{color:var(--accent);text-decoration:underline;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- Hero / banner ---------- */
.cat-hero{
  position:relative;
  min-height:calc(36vh);
  display:flex;
  align-items:flex-end;
  padding:76px 0 60px;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat var(--dark-green);
}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(9,40,33,.88) 0%,rgba(9,40,33,.65) 48%,rgba(16,45,38,.35) 100%);
}
.cat-hero .hero-inner{position:relative;z-index:2;}
.cat-hero .crumb{
  display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.75);font-size:.86rem;margin-bottom:18px;flex-wrap:wrap;
}
.cat-hero .crumb a{color:rgba(255,255,255,.82);}
.cat-hero .crumb a:hover{color:#fff;text-decoration:underline;}
.cat-hero .crumb svg{width:13px;height:13px;opacity:.7;}
.cat-hero h1{
  color:#fff;
  font-size:clamp(1.95rem,4.2vw,3rem);
  font-weight:800;
  letter-spacing:.5px;
  margin-bottom:16px;
  line-height:1.22;
}
.cat-hero h1 .divider{color:rgba(255,255,255,.38);margin:0 .3rem;}
.cat-hero .hero-summary{
  max-width:820px;
  color:rgba(255,255,255,.92);
  font-size:1.05rem;
  line-height:1.85;
  margin-bottom:24px;
}
.hero-badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge-word{
  font-size:.87rem;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.26);
  color:#fff;
  padding:.3rem .8rem;
  border-radius:100px;
}
@media (max-width:767px){
  .cat-hero{padding:48px 0 36px;min-height:0;}
}

/* ---------- Section spacing ---------- */
.section{padding:82px 0;}
.section-tight{padding:56px 0;}
.section .eyebrow{
  display:inline-block;
  font-size:.84rem;
  letter-spacing:1px;
  color:var(--primary);
  font-weight:600;
  background:var(--primary-light);
  padding:.25rem .75rem;
  border-radius:100px;
  margin-bottom:16px;
}
.section h2{
  font-size:clamp(1.5rem,3.2vw,2.2rem);
  font-weight:800;
  line-height:1.3;
  color:var(--text);
  letter-spacing:.3px;
}
.section h2 .dec{
  width:8px;height:8px;
  display:inline-block;
  background:var(--accent);
  border-radius:20px;
  margin-right:10px;
  vertical-align:0.12em;
}
.section .lead-text{
  font-size:1rem;
  color:var(--text-weak);
  max-width:820px;
}

/* ---------- Dark intro band ---------- */
.intro-band{
  background:var(--dark-green);
  color:#E4EFEA;
  padding:72px 0;
  border-radius:0;
}
.intro-band .quote-mark{
  font-size:3.15rem;
  line-height:1;
  color:rgba(255,255,255,.25);
  font-weight:800;
  margin-bottom:14px;
}
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;}
.intro-band h2{
  color:#fff;
  font-size:clamp(1.55rem,3vw,2.15rem);
  font-weight:800;
  line-height:1.45;
  margin-bottom:24px;
  letter-spacing:.5px;
}
.intro-band p.main-copy{
  color:rgba(228,239,234,.9);
  font-size:1.05rem;
  line-height:2;
  border-left:4px solid var(--accent);
  padding-left:22px;
}
.intro-band .intro-aside{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.13);
  border-radius:20px;
  padding:30px;
}
.intro-band .intro-aside .ia-title{
  font-size:.82rem;
  color:rgba(255,255,255,.55);
  letter-spacing:1.2px;
  margin-bottom:18px;
}
.intro-aside ul{list-style:none;padding:0;margin:0;}
.intro-aside ul li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:.97rem;
  color:rgba(255,255,255,.83);
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.intro-aside ul li:last-child{border-bottom:0;}
.intro-aside ul li svg{flex:none;width:17px;height:17px;color:var(--accent);margin-top:6px;}
@media (max-width:900px){
  .intro-grid{grid-template-columns:1fr;gap:28px;}
  .intro-band{padding:56px 0;}
}

/* ---------- Two column main ---------- */
.content-split{
  display:grid;
  grid-template-columns:264px 1fr;
  gap:52px;
  align-items:start;
}
.rail-nav{
  position:sticky;
  top:108px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-sm);
  padding:24px 22px;
}
.rail-nav .rail-label{
  font-size:.76rem;
  letter-spacing:1.5px;
  color:var(--text-weak);
  font-weight:600;
  margin-bottom:14px;
  border-bottom:1px solid var(--line);
  padding-bottom:10px;
}
.rail-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.rail-nav ul li a{
  display:block;
  padding:9px 12px;
  border-radius:10px;
  color:var(--text);
  font-size:.93rem;
  transition:var(--transition);
  border-left:2px solid transparent;
}
.rail-nav ul li a:hover{
  color:var(--primary);
  background:var(--primary-light);
}
.body-article{
  max-width:760px;
  padding-top:2px;
}
.body-block{margin-bottom:64px;}
.body-block .step-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-weight:700;
  font-size:.85rem;
  border-radius:100px;
  padding:.3rem .8rem;
  margin-bottom:12px;
}
.body-block h2{
  margin-bottom:16px;
}
.body-block p{
  color:#2A3733;
  font-size:1rem;
  margin-bottom:1.1rem;
}
.body-block .cover-wrap{
  border-radius:18px;
  overflow:hidden;
  margin:20px 0 8px;
  box-shadow:var(--shadow-sm);
  background:#E7E2D8;
}
.body-block .cover-wrap img{width:100%;height:210px;object-fit:cover;}
.body-block .cover-caption{font-size:.82rem;color:var(--text-weak);padding:6px 4px 8px;}
.info-check-list{list-style:none;padding:0;margin:0;}
.info-check-list li{
  display:flex;
  gap:10px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  color:#2A3733;
}
.info-check-list li:first-child{border-top:1px solid var(--line);}
.info-check-list svg{flex:0 0 auto;width:21px;height:21px;color:var(--primary);margin-top:3px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.chip{
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--text);
  font-size:.87rem;
  padding:.28rem .8rem;
  border-radius:8px;
}
.chip.strong{background:var(--primary-light);border-color:#C8DFD6;font-weight:600;color:var(--primary-dark);}
@media (max-width:991.98px){
  .content-split{grid-template-columns:1fr;gap:28px;}
  .rail-nav{position:static;}
}

/* ---------- Timeline / index ---------- */
.timeline-section{
  background:linear-gradient(135deg,rgba(7,74,60,.06),rgba(11,107,87,.04));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.timeline-list{display:grid;gap:26px;margin-top:34px;}
.tl-item{
  display:grid;
  grid-template-columns:74px 1fr;
  gap:20px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  border-radius:22px;
  padding:24px 26px;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
}
.tl-item:hover{border-color:#B9C8BF;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.tl-item .tl-num{
  font-size:2rem;
  font-weight:800;
  line-height:1.1;
  color:var(--primary);
  opacity:.32;
  letter-spacing:-1px;
}
.tl-item h3{font-size:1.1rem;margin-bottom:8px;font-weight:700;}
.tl-item p{margin-bottom:0;color:var(--text-weak);font-size:.95rem;}
.tl-item .tl-link{display:inline-block;margin-top:14px;}
@media (min-width:768px){
  .timeline-list{grid-template-columns:1fr 1fr;}
  .tl-item:last-child{grid-column:1 / -1;}
}

/* ---------- Notice list in two cols ---------- */
.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px;}
.notice-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px 22px 20px;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
}
.notice-item:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.notice-item .n-id{color:var(--accent);font-weight:700;font-size:1rem;margin-bottom:8px;display:block;}
.notice-item h4{font-size:1rem;font-weight:700;margin-bottom:7px;}
.notice-item p{font-size:.92rem;color:var(--text-weak);margin:0;}
@media (max-width:767px){.notice-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-section{background:var(--surface);}
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion-item{
  background:var(--bg);
  border:1px solid var(--line) !important;
  border-radius:14px !important;
  margin-bottom:14px;
  overflow:hidden;
}
.accordion-button{
  background:#fff;
  color:var(--text);
  font-weight:600;
  font-size:1rem;
  padding:1.15rem 1.4rem;
  box-shadow:none !important;
  border-radius:14px !important;
  position:relative;
  padding-right:3.4rem;
}
.accordion-button:not(.collapsed){background:var(--primary-light);color:var(--primary-dark);}
.accordion-button::after{
  background:none;
  content:"+";
  width:40px;height:40px;
  position:absolute;
  right:14px;top:50%;
  transform:translateY(-50%);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.7rem;
  font-weight:300;
  color:var(--primary);
  transition:transform .3s ease;
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);}
.accordion-body{padding:1.25rem 1.4rem 1.5rem;color:#2A3733;line-height:1.9;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark-green);
  color:#fff;
  text-align:center;
  padding:76px 20px;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  opacity:.07;
}
.cta-band .cta-inner{position:relative;z-index:2;max-width:790px;margin:0 auto;}
.cta-band h2{color:#fff;font-weight:800;font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.4;margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,.85);font-size:1.02rem;line-height:1.9;margin-bottom:30px;}
.cta-buttons{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- Footer ---------- */
.site-footer{
  background:#0B2420;
  color:#D3DFD9;
  padding:58px 0 26px;
  font-size:.93rem;
}
.footer-top{
  display:grid;
  grid-template-columns:1.3fr .9fr .9fr;
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.1);
  margin-bottom:24px;
}
.footer-brand{color:#fff;font-weight:800;font-size:1.55rem;margin-bottom:14px;}
.footer-description{color:#A9BEb5;max-width:320px;line-height:1.9;}
.footer-column-title{
  color:#fff;
  font-weight:600;
  font-size:1rem;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:#B4C8BF;transition:var(--transition);}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-note{color:#A9BEb5;line-height:1.9;margin:0;max-width:290px;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  color:#8FA69C;
  font-size:.84rem;
}
@media (max-width:900px){
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .section{padding:62px 0;}
}
@media (max-width:520px){
  .footer-bottom{flex-direction:column;}
  .cta-buttons .btn-green,.cta-buttons .btn-outline-green{width:100%;justify-content:center;}
  .timeline-list{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:1fr;padding:20px;}
}
.btn-outline-light{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  font-size:.95rem;
  min-height:48px;
  padding:.7rem 1.5rem;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.6);
  color:#fff;
  background:transparent;
  transition:var(--transition);
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.08);
  color:#fff;
  border-color:#fff;
}

/* roulang page: category1 */
:root{
  --c-primary:#0B6B57;
  --c-primary-dark:#074A3C;
  --c-primary-light:#E5F1EC;
  --c-bg:#F5F3EE;
  --c-card:#FFFFFF;
  --c-text:#182723;
  --c-muted:#5B6E68;
  --c-accent:#C96F2C;
  --c-border:#E5DFD3;
  --c-deep:#102D26;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-btn:10px;
  --shadow-card:0 8px 24px rgba(8,50,40,.06);
  --shadow-card-hover:0 16px 34px rgba(8,50,40,.1);
  --font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{
  max-width:100%;
  height:auto;
  display:block;
}
a{
  color:var(--c-primary);
  text-decoration:none;
  transition:color .2s ease;
}
a:hover{
  color:var(--c-primary-dark);
  text-decoration:underline;
}
h1,h2,h3,h4,h5,h6{
  color:var(--c-text);
  line-height:1.4;
  margin:0 0 .8em;
  font-weight:700;
}
p{
  margin:0 0 1em;
}
.container-xl{
  width:100%;
  max-width:1280px;
  margin-left:auto;
  margin-right:auto;
  padding-left:20px;
  padding-right:20px;
}
.site-header{
  position:sticky;
  top:0;
  z-index:1020;
  background:rgba(245,243,238,.96);
  border-bottom:1px solid var(--c-border);
}
.site-header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  min-height:76px;
}
.header-nav-left{
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:4px;
}
.header-nav-right{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:4px;
}
.brand-logo{
  display:inline-flex;
  align-items:baseline;
  font-size:1.3rem;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.2;
  color:var(--c-text);
  text-decoration:none;
  padding:6px 0;
  white-space:nowrap;
}
.brand-logo:hover{
  color:var(--c-text);
  text-decoration:none;
}
.brand-highlight{
  color:var(--c-primary);
  margin-left:5px;
}
.header-link{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  color:var(--c-text);
  font-weight:500;
  font-size:.94rem;
  border-radius:10px;
  text-decoration:none;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.header-link::after{
  content:"";
  position:absolute;
  left:13px;
  right:13px;
  bottom:3px;
  height:3px;
  border-radius:3px;
  background:transparent;
  transition:background .2s ease;
}
.header-link:hover{
  background:rgba(11,107,87,.06);
  color:var(--c-primary);
  text-decoration:none;
}
.header-link.active{
  color:var(--c-primary);
}
.header-link.active::after{
  background:var(--c-primary);
}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--c-border);
  background:#fff;
  border-radius:12px;
  color:var(--c-text);
  align-items:center;
  justify-content:center;
  padding:0;
}
.menu-toggle:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
}
.mobile-nav-menu{
  display:flex;
  flex-direction:column;
  gap:3px;
  padding:14px 16px 22px;
  border-top:1px solid var(--c-border);
  background:var(--c-card);
}
.mobile-nav-menu .header-link{
  display:block;
  padding:12px 12px;
  border-radius:8px;
  font-size:1rem;
}
.page-hero{
  position:relative;
  padding:92px 0 72px;
  background-color:var(--c-primary-dark);
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(7,74,60,.95),rgba(16,45,38,.75));
}
.page-hero .container-xl{
  position:relative;
  z-index:2;
}
.eyebrow-chip{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.12);
  color:#fff;
  border-radius:999px;
  font-size:.82rem;
  letter-spacing:.08em;
  font-weight:600;
}
.page-hero h1{
  max-width:1020px;
  margin:18px 0 20px;
  color:#fff;
  font-size:clamp(2rem,4.5vw,3.4rem);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.02em;
}
.page-hero .lead{
  max-width:850px;
  color:rgba(255,255,255,.92);
  font-size:clamp(1rem,1.2vw,1.15rem);
  line-height:1.9;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:42px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.22);
}
.meta-item{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-md);
  padding:10px 16px;
  min-width:160px;
}
.meta-item span{
  display:block;
  color:rgba(255,255,255,.72);
  font-size:.78rem;
  margin-bottom:2px;
}
.meta-item strong{
  color:#fff;
  font-size:.95rem;
  font-weight:600;
}
.section{
  padding:88px 0;
}
.section-head{
  margin-bottom:44px;
}
.section-kicker{
  display:inline-block;
  font-weight:700;
  font-size:.78rem;
  letter-spacing:.16em;
  color:var(--c-accent);
  margin-bottom:8px;
}
.section-head h2{
  font-size:clamp(1.6rem,2.6vw,2.2rem);
  line-height:1.35;
  letter-spacing:-.01em;
  margin-bottom:0;
}
.section-subtitle{
  color:var(--c-muted);
  max-width:760px;
  margin-top:12px;
  font-size:1.02rem;
}
.btn-site,
.btn-ghost-light,
.btn-light-site{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  min-height:48px;
  border-radius:var(--radius-btn);
  padding:12px 24px;
  font-weight:600;
  font-size:1rem;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .25s ease,border-color .25s ease,background-color .25s ease,color .25s ease;
}
.btn-site{
  background:var(--c-primary);
  color:#fff;
  border-color:var(--c-primary);
}
.btn-site:hover{
  background:var(--c-primary-dark);
  border-color:var(--c-primary-dark);
  color:#fff;
  transform:translateY(-2px);
  text-decoration:none;
}
.btn-ghost-light{
  background:rgba(255,255,255,.05);
  color:#fff;
  border-color:rgba(255,255,255,.6);
}
.btn-ghost-light:hover{
  background:rgba(255,255,255,.14);
  border-color:#fff;
  color:#fff;
  transform:translateY(-2px);
  text-decoration:none;
}
.btn-light-site{
  background:#fff;
  color:var(--c-primary-dark);
  border-color:#fff;
}
.btn-light-site:hover{
  background:var(--c-primary-light);
  color:var(--c-primary-dark);
  transform:translateY(-2px);
  text-decoration:none;
}
.btn-site:focus-visible,
.btn-ghost-light:focus-visible,
.btn-light-site:focus-visible,
.link-arrow:focus-visible{
  outline:3px solid rgba(201,111,44,.6);
  outline-offset:3px;
}
.quick-section{
  background:var(--c-card);
  border-bottom:1px solid var(--c-border);
}
.quick-card{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  height:100%;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.quick-card:hover{
  transform:translateY(-4px);
  border-color:rgba(11,107,87,.3);
  box-shadow:var(--shadow-card-hover);
}
.quick-card .quick-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;
  height:48px;
  border-radius:13px;
  background:var(--c-primary-light);
  color:var(--c-primary);
  margin-bottom:18px;
}
.quick-card h3{
  margin-bottom:10px;
  font-size:1.14rem;
  font-weight:700;
}
.quick-card p{
  color:var(--c-muted);
  margin:0;
  line-height:1.8;
}
.verify-guide{
  background:var(--c-bg);
}
.step-row{
  border-bottom:1px solid var(--c-border);
  padding:20px 0;
}
.step-row:last-child{
  border-bottom:0;
}
.step-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
  padding:34px 0;
}
.step-grid .step-media{
  order:1;
  border-radius:24px;
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--c-primary-light);
  box-shadow:var(--shadow-card);
  position:relative;
}
.step-grid .step-content{
  order:2;
}
.step-grid.reverse .step-media{
  order:2;
}
.step-grid.reverse .step-content{
  order:1;
}
.step-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.step-number{
  font-size:clamp(2.4rem,4.6vw,4rem);
  font-weight:800;
  line-height:1;
  color:rgba(11,107,87,.18);
  letter-spacing:-.05em;
  margin-bottom:6px;
}
.step-label{
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--c-accent);
  display:block;
  margin-bottom:6px;
}
.step-title{
  font-size:clamp(1.35rem,2vw,1.7rem);
  font-weight:700;
  line-height:1.45;
  margin-bottom:14px;
}
.step-copy{
  color:var(--c-muted);
  line-height:1.9;
  margin-bottom:0;
}
.quote-band{
  position:relative;
  padding:76px 0;
  background-color:var(--c-deep);
  background-image:url("/assets/images/backpic/back-3.png");
  background-position:center;
  background-size:cover;
  color:#fff;
}
.quote-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(16,45,38,.86);
}
.quote-inner{
  position:relative;
  z-index:1;
  max-width:960px;
  margin:0 auto;
  text-align:center;
  padding:0 20px;
}
.quote-mark{
  display:block;
  font-size:72px;
  line-height:1;
  color:var(--c-accent);
  margin-bottom:8px;
}
.quote-lead{
  font-size:clamp(1.45rem,2.6vw,2.2rem);
  font-weight:700;
  line-height:1.5;
  color:#fff;
  margin-bottom:16px;
}
.quote-by{
  font-size:.9rem;
  color:rgba(255,255,255,.7);
  letter-spacing:.08em;
}
.scene-section{
  background:var(--c-card);
}
.scene-card{
  background:var(--c-bg);
  border:1px solid var(--c-border);
  border-radius:18px;
  padding:26px 24px;
  height:100%;
  transition:transform .3s ease,border-color .3s ease;
}
.scene-card:hover{
  transform:translateY(-3px);
  border-color:rgba(11,107,87,.28);
}
.scene-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:12px;
  background:#fff;
  color:var(--c-accent);
  border:1px solid var(--c-border);
  margin-bottom:16px;
}
.scene-card h3{
  font-size:1.06rem;
  margin-bottom:8px;
  font-weight:700;
}
.scene-card p{
  color:var(--c-muted);
  margin:0;
  line-height:1.8;
}
.faq-section{
  background:var(--c-bg);
  padding:88px 0;
}
.faq-layout{
  max-width:920px;
  margin:0 auto;
}
.faq-layout .section-head{
  text-align:center;
}
.faq-layout .section-subtitle{
  margin-left:auto;
  margin-right:auto;
}
.accordion{
  --bs-accordion-border-color:var(--c-border);
  --bs-accordion-btn-focus-border-color:var(--c-border);
  --bs-accordion-btn-focus-box-shadow:0 0 0 .2rem rgba(11,107,87,.12);
  --bs-accordion-active-bg:var(--c-primary-light);
  --bs-accordion-active-color:var(--c-primary-dark);
  --bs-accordion-border-radius:16px;
}
.accordion-item{
  border:1px solid var(--c-border);
  border-radius:16px !important;
  overflow:hidden;
  margin-bottom:14px;
  background:var(--c-card);
}
.accordion-button{
  background:var(--c-card);
  color:var(--c-text);
  font-weight:600;
  font-size:1rem;
  padding:19px 22px;
  line-height:1.6;
  box-shadow:none;
  transition:background-color .2s ease;
}
.accordion-button:not(.collapsed){
  background:var(--c-primary-light);
  color:var(--c-primary-dark);
  box-shadow:none;
}
.accordion-button:focus{
  box-shadow:0 0 0 3px rgba(11,107,87,.14);
  border-color:transparent;
}
.accordion-button::after{
  content:"+";
  background-image:none;
  font-size:1.35rem;
  font-weight:400;
  color:var(--c-accent);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:24px;
  height:24px;
  transform:none;
  transition:transform .25s ease,color .25s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"×";
  transform:none;
  color:var(--c-primary);
  font-size:1.45rem;
  font-weight:300;
}
.accordion-body{
  padding:0 22px 20px;
  color:var(--c-muted);
  line-height:1.9;
  background:var(--c-primary-light);
  border-top:1px solid rgba(11,107,87,.1);
}
.accordion-body p:last-child{
  margin-bottom:0;
}
.accordion-body a{
  color:var(--c-primary);
  font-weight:600;
}
.cta-final{
  position:relative;
  padding:92px 0;
  text-align:center;
  background-color:var(--c-primary);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-position:center;
  background-size:cover;
}
.cta-final::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(16,45,38,.72);
}
.cta-inner{
  position:relative;
  z-index:1;
  max-width:840px;
  margin:0 auto;
  padding:0 20px;
}
.cta-kicker{
  display:block;
  color:#E9A473;
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.18em;
  margin-bottom:12px;
}
.cta-final h2{
  color:#fff;
  font-size:clamp(1.7rem,3vw,2.7rem);
  line-height:1.35;
  margin:0 0 16px;
  font-weight:800;
  letter-spacing:-.01em;
}
.cta-final p{
  color:rgba(255,255,255,.9);
  max-width:720px;
  margin:0 auto 30px;
  line-height:1.9;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:16px;
  align-items:center;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:#fff;
  font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.75);
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.link-arrow:hover{
  color:var(--c-primary-light);
  border-color:var(--c-primary-light);
  text-decoration:none;
}
.link-arrow svg{
  transition:transform .2s ease;
}
.link-arrow:hover svg{
  transform:translateX(3px);
}
.site-footer{
  background:var(--c-deep);
  color:rgba(230,239,235,.76);
  padding:64px 0 32px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr .8fr 1fr;
  gap:56px;
  margin-bottom:48px;
}
.footer-brand{
  font-size:1.6rem;
  font-weight:800;
  color:#fff;
  letter-spacing:-.02em;
  line-height:1.3;
  margin-bottom:14px;
}
.footer-description{
  color:rgba(230,239,235,.66);
  line-height:1.9;
  max-width:340px;
  margin-bottom:0;
}
.footer-column-title{
  color:#fff;
  font-weight:600;
  margin-bottom:14px;
}
.footer-links{
  display:flex;
  flex-direction:column;
}
.footer-links a{
  color:rgba(230,239,235,.76);
  padding:5px 0;
  display:inline-block;
  text-decoration:none;
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{
  color:#fff;
  transform:translateX(3px);
}
.footer-note{
  line-height:1.85;
  color:rgba(230,239,235,.6);
  font-size:.95rem;
  margin-bottom:0;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:.9rem;
  color:rgba(230,239,235,.56);
}
@media (max-width: 991px){
  .brand-logo{
    font-size:1.16rem;
  }
  .header-link{
    padding:8px 9px;
    font-size:.88rem;
  }
  .footer-top{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
  .step-grid{
    gap:36px;
  }
}
@media (max-width: 767px){
  .site-header-inner{
    display:flex;
    grid-template-columns:none;
    justify-content:space-between;
    align-items:center;
    min-height:68px;
    gap:8px;
  }
  .brand-logo{
    margin-inline:auto;
  }
  .header-nav-left,
  .header-nav-right{
    display:none;
  }
  .menu-toggle{
    display:inline-flex;
  }
  .page-hero{
    padding:64px 0 54px;
  }
  .hero-meta{
    flex-direction:column;
    align-items:stretch;
  }
  .meta-item{
    width:100%;
  }
  .section{
    padding:60px 0;
  }
  .step-grid,
  .step-grid.reverse{
    grid-template-columns:1fr;
    gap:24px;
    padding:26px 0;
  }
  .step-grid .step-media,
  .step-grid.reverse .step-media{
    order:2;
  }
  .step-grid .step-content,
  .step-grid.reverse .step-content{
    order:1;
  }
  .step-media{
    aspect-ratio:16/10;
  }
  .quote-band{
    padding:56px 0;
  }
  .quote-lead{
    font-size:1.3rem;
  }
  .cta-final{
    padding:60px 0;
  }
  .footer-top{
    grid-template-columns:1fr;
    gap:34px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:left;
  }
}
@media (max-width: 575px){
  .page-hero .lead{
    font-size:1rem;
  }
  .hero-actions .btn-site,
  .hero-actions .btn-ghost-light{
    width:100%;
  }
  .quick-card{
    padding:22px 18px;
  }
  .scene-card{
    padding:22px 18px;
  }
  .accordion-button{
    font-size:.95rem;
    padding:16px 16px;
  }
  .accordion-body{
    padding:0 16px 16px;
  }
  .cta-actions .btn-light-site{
    width:100%;
  }
  .cta-actions .link-arrow{
    justify-content:center;
  }
}
@media (prefers-reduced-motion: reduce){
  *{
    transition:none !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category3 */
:root{
  --primary:#0B6B57;
  --primary-dark:#074A3C;
  --primary-light:#E5F1EC;
  --bg:#F5F3EE;
  --white:#FFFFFF;
  --ink:#182723;
  --muted:#5B6E68;
  --accent:#C96F2C;
  --divider:#E5DFD3;
  --deep:#102D26;
  --radius-xl:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-soft:0 8px 24px rgba(8,50,40,.06);
  --shadow-lift:0 14px 34px rgba(8,50,40,.1);
  --font-main:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--ink);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
*:focus{outline:2px solid rgba(11,107,87,.55);outline-offset:2px;border-radius:4px}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto}
.container-xl{max-width:1280px;padding-left:20px;padding-right:20px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,243,238,.95);
  border-bottom:1px solid var(--divider);
}
.site-header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  min-height:76px;
  gap:1rem;
}
.brand-logo{
  font-weight:800;font-size:1.55rem;letter-spacing:.01em;
  color:var(--primary-dark);line-height:1.2;
  white-space:nowrap;
}
.brand-highlight{color:var(--primary);position:relative;display:inline-block}
.brand-highlight::after{
  content:"";position:absolute;left:2px;right:2px;bottom:2px;height:6px;
  background:rgba(201,111,44,.22);z-index:-1;border-radius:4px;
}
.header-nav-left,.header-nav-right{
  display:flex;gap:.25rem;align-items:center;
}
.header-nav-right{justify-content:flex-end}
.header-link{
  font-size:15px;color:var(--ink);padding:10px 14px;border-radius:8px;
  transition:background-color .2s,color .2s;
  position:relative;white-space:nowrap;
}
.header-link:hover{color:var(--primary-dark);background:rgba(229,241,236,.6)}
.header-link.active{color:var(--primary-dark);font-weight:700}
.header-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;
  background:var(--primary);border-radius:3px;
}
.menu-toggle{
  display:none;border:1px solid var(--divider);background:var(--white);
  color:var(--ink);border-radius:10px;width:46px;height:46px;
  align-items:center;justify-content:center;padding:0;
}
.menu-toggle svg{width:24px;height:24px}
.mobile-nav-menu{
  display:flex;flex-direction:column;gap:4px;
  padding:8px 20px 22px;background:var(--bg);
  border-top:1px solid rgba(229,223,211,.7);
}

/* Buttons */
.btn-theme{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  background:var(--primary-dark);color:#fff;font-weight:600;
  min-height:48px;padding:.65rem 1.35rem;border-radius:10px;border:1px solid var(--primary-dark);
  transition:background-color .2s,transform .2s,border-color .2s;
}
.btn-theme:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-theme:active{transform:translateY(0)}
.btn-outline-theme{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  background:transparent;color:var(--primary-dark);border:1px solid rgba(11,107,87,.45);
  font-weight:600;min-height:48px;padding:.6rem 1.25rem;border-radius:10px;
  transition:background-color .2s,color .2s,border-color .2s;
}
.btn-outline-theme:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary)}
.link-arrow{color:var(--primary-dark);font-weight:600;display:inline-flex;align-items:center;gap:.35rem}
.link-arrow:hover{color:var(--primary)}
.link-arrow svg{width:16px;height:16px;transition:transform .2s}
.link-arrow:hover svg{transform:translateX(3px)}

/* Category hero */
.category-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(105deg,rgba(245,243,238,.98) 10%,rgba(255,255,255,.93) 42%,rgba(229,241,236,.82) 90%),
    url('/assets/images/backpic/back-1.png') no-repeat center center/cover;
  padding:76px 0 42px;
  border-bottom:1px solid rgba(229,223,211,.65);
}
.category-hero .breadcrumb-line{
  font-size:14px;color:var(--muted);display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-bottom:1.25rem;
}
.category-hero .breadcrumb-line a{color:var(--primary-dark)}
.category-hero h1{
  font-size:clamp(2rem,4.2vw,3.1rem);
  line-height:1.25;font-weight:800;color:var(--ink);margin-bottom:1.1rem;
  display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:.5rem;background:var(--primary-light);
  padding:.35rem .8rem;border-radius:30px;font-size:14px;font-weight:600;color:var(--primary-dark);
  margin-bottom:1.1rem;
}
.hero-kicker:before{content:'';width:7px;height:7px;background:var(--accent);border-radius:50%}
.category-hero .hero-lead{font-size:1.08rem;max-width:760px;color:#314e46;margin-bottom:1.8rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-anchors{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:3rem;
  border-top:1px solid rgba(11,107,87,.14);padding-top:1.4rem;
}
.hero-anchor{display:flex;gap:.6rem;align-items:flex-start;font-size:14px;color:var(--muted)}
.hero-anchor:nth-child(1) .mark{background:#dceee7}
.hero-anchor .mark{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:#eadcc9;color:#8a5a2b;font-weight:800;flex:0 0 32px}
.hero-anchor strong{display:block;font-size:15px;color:var(--ink);font-weight:700}

/* Sections */
.section{padding:72px 0}
.section-headline{margin-bottom:2.6rem}
.section-label{
  display:inline-block;font-size:14px;font-weight:700;color:var(--primary);letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:.55rem;
}
.section-headline h2{font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:800;line-height:1.35;color:var(--ink);margin-bottom:.65rem}
.section-headline p{color:var(--muted);max-width:760px;margin:0}
.section-headline.center{text-align:center}
.section-headline.center p{margin-left:auto;margin-right:auto}

/* Intro feature split */
.intro-wrap{
  display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:3rem;align-items:center;
}
.intro-list{display:flex;flex-direction:column;gap:22px;margin-top:1.8rem}
.intro-item{display:flex;gap:1rem}
.intro-num{
  font-family:inherit;font-size:1rem;font-weight:800;color:var(--primary);
  background:var(--primary-light);border-radius:8px;width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;flex:0 0 34px;
}
.intro-item h3{font-size:1.08rem;font-weight:700;margin-bottom:.2rem}
.intro-item p{color:var(--muted);margin:0;font-size:15px}
.intro-media{border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lift);position:relative}
.intro-media img{width:100%;height:100%;object-fit:cover;display:block}
.intro-media figcaption{font-size:13px;color:var(--muted);background:var(--white);padding:.65rem 1rem;margin:0;border-top:1px solid var(--divider)}

/* Full-width primary card */
.panel-card{
  background:var(--white);border-radius:var(--radius-xl);padding:2.5rem;
  border:1px solid #ece5db;box-shadow:var(--shadow-soft);margin-bottom:2rem;
  transition:box-shadow .3s,transform .3s;
}
.panel-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-3px)}
.panel-head{display:flex;align-items:flex-start;gap:1rem;margin-bottom:1.3rem}
.panel-head .mono-badge{
  background:var(--primary-dark);color:#fff;font-size:14px;font-weight:700;
  padding:.3rem .8rem;border-radius:6px;flex:0 0 auto;
}
.panel-card h3{font-size:1.4rem;font-weight:800;color:var(--ink);margin:0}
.panel-card p{color:var(--muted);font-size:15.5px}
.facts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:1.6rem}
.fact{background:#f9f7f2;border-radius:var(--radius-md);padding:1.1rem 1.2rem;border:1px solid #eee7db}
.fact .fact-title{font-weight:700;font-size:15px;color:var(--ink);margin-bottom:.25rem;display:flex;gap:.4rem;align-items:center}
.fact .fact-text{font-size:14px;color:var(--muted);line-height:1.7;margin:0}

/* Split cards with different widths */
.split-row{display:grid;gap:1.5rem;margin-top:1.5rem}
.split-row.one{grid-template-columns:1.45fr .55fr}
.split-row.two{grid-template-columns:.45fr 1.55fr}
.base-card{
  background:var(--white);border:1px solid #ece5db;border-radius:var(--radius-xl);
  padding:2.2rem 2rem;box-shadow:var(--shadow-soft);position:relative;
}
.base-card.side-card{background:var(--primary-light);border-color:rgba(11,107,87,.2)}
.base-card h3{font-size:1.2rem;font-weight:800;color:var(--ink);margin-bottom:1rem}
.base-card h3 .small{display:block;font-size:.85rem;color:var(--muted);font-weight:500;margin-top:.15rem}
.check-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.85rem}
.check-list li{position:relative;padding-left:2rem;font-size:15px;color:#3a514b;line-height:1.7}
.check-list li:before{
  content:'';position:absolute;left:0;top:.38rem;width:18px;height:18px;border-radius:50%;
  border:1.5px solid var(--primary);background:rgba(11,107,87,.08);
}
.check-list li::after{
  content:'';position:absolute;left:5px;top:.63rem;width:8px;height:4px;
  border-left:1.8px solid var(--primary);border-bottom:1.8px solid var(--primary);
  transform:rotate(-45deg);
}
.muted-note{background:#faf8f3;border:1px dashed #d8cfc0;border-radius:12px;padding:1rem 1.2rem;font-size:14px;color:var(--muted)}
.alert-card{background:#fff8f1;border:1px solid #ead9c2;border-radius:12px;padding:1rem 1.1rem;font-size:14px;color:#81512b}

/* Step path */
.path-band{
  background:var(--white);border-radius:var(--radius-xl);
  padding:3rem;border:1px solid #ece5db;box-shadow:var(--shadow-soft);
}
.step-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:2rem}
.step-node{
  background:#faf9f6;border-radius:16px;padding:1.5rem 1.3rem;border:1px solid #ece5db;
  position:relative;transition:background-color .3s,transform .3s,border-color .3s;
}
.step-node:hover{background:var(--primary-light);border-color:#c3ddd2;transform:translateY(-3px)}
.step-number{font-size:.85rem;font-weight:800;color:var(--accent);letter-spacing:.06em}
.step-node h3{font-size:1.05rem;font-weight:800;color:var(--ink);margin:.5rem 0 .35rem}
.step-node p{font-size:14px;color:var(--muted);margin:0 0 .6rem}
.step-node .node-tag{font-size:13px;color:var(--primary-dark);background:var(--white);border:1px solid #dcebe5;border-radius:6px;padding:.15rem .55rem}
.path-arrow{
  position:relative;display:flex;align-items:center;justify-content:center;color:#bfd3cb;
}
.path-arrow svg{width:20px;height:20px}

/* Error mapping */
.error-rows{display:flex;flex-direction:column;gap:.9rem}
.error-row{
  display:flex;flex-wrap:wrap;align-items:flex-start;gap:1rem;
  background:#f8f7f3;border:1px solid #ebe3d6;border-radius:14px;padding:1rem 1.2rem;
  transition:background-color .25s,border-color .25s;
}
.error-row:hover{background:var(--white);border-color:#d6e5dd}
.error-code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;font-weight:700;
  background:var(--deep);color:#cfe9df;border-radius:6px;padding:.25rem .65rem;white-space:nowrap;
  display:inline-block;
}
.error-desc{flex:1;min-width:220px;font-size:14.5px;color:var(--muted);margin:0}
.error-desc strong{color:var(--ink);font-weight:600}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid #e9e2d6;border-radius:14px;margin-bottom:1rem;overflow:hidden}
.faq-question{
  padding:1.2rem 1.5rem;font-size:1.04rem;font-weight:700;color:var(--ink);
  cursor:pointer;border:0;background:transparent;width:100%;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  font-family:var(--font-main);transition:background-color .2s;
}
.faq-question:after{
  content:'';flex:0 0 auto;width:18px;height:18px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C96F2C' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/contain no-repeat;
  transition:transform .3s;
}
.faq-question[aria-expanded="true"]{background:#f2f8f5}
.faq-question[aria-expanded="true"]:after{transform:rotate(45deg)}
.faq-answer{padding:0 1.5rem 1.4rem;color:var(--muted);font-size:15px;line-height:1.85;border-top:1px solid #f0ebe2}

/* CTA band */
.cta-band{
  position:relative;background:var(--deep);color:#fff;
  padding:88px 0;margin-top:40px;overflow:hidden;
}
.cta-band:before{
  content:'';position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
  opacity:.42;
}
.cta-band:after{
  content:'';position:absolute;inset:0;z-index:0;
  background:linear-gradient(120deg,rgba(16,45,38,.96) 15%,rgba(11,107,87,.78) 85%);
}
.cta-content{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto}
.cta-content h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;margin-bottom:1rem;color:#fff}
.cta-content p{color:rgba(245,243,238,.82);font-size:1.02rem;margin-bottom:2rem}
.cta-actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}
.cta-actions .btn-theme{background:#fff;color:var(--deep);border-color:#fff;font-weight:700}
.cta-actions .btn-theme:hover{background:#e9f4ef;transform:translateY(-2px)}
.cta-actions .btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff;
  min-height:48px;padding:.65rem 1.35rem;border-radius:10px;font-weight:600;
  transition:background-color .2s,border-color .2s;
}
.cta-actions .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.cta-sub{margin-top:1.3rem;font-size:13.5px;color:rgba(255,255,255,.6)}

/* Footer */
.site-footer{
  background:var(--deep);color:rgba(245,243,238,.8);
  padding:72px 0 26px;position:relative;
}
.site-footer .footer-top{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:2.4rem;margin-bottom:3rem}
.footer-brand{color:#fff;font-size:1.5rem;font-weight:800;margin-bottom:.65rem}
.footer-description{font-size:14px;color:rgba(245,243,238,.6);line-height:1.8;margin-bottom:1.2rem;max-width:300px}
.footer-column-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:.9rem}
.footer-links{display:flex;flex-direction:column;gap:.55rem}
.footer-links a{color:rgba(245,243,238,.72);font-size:14px;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-note{font-size:14px;color:rgba(245,243,238,.62);line-height:1.8;margin:0}
.footer-bottom{
  border-top:1px solid rgba(245,243,238,.12);padding-top:1.4rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:13.5px;color:rgba(245,243,238,.48);
}

/* Responsive */
@media (max-width: 991.98px){
  .site-header-inner{gap:.5rem;min-height:68px}
  .header-nav-left,.header-nav-right{display:none}
  .menu-toggle{display:inline-flex}
  .category-hero{padding-top:50px}
}
@media (max-width: 767.98px){
  .section{padding:56px 0}
  .category-hero h1{font-size:2rem}
  .hero-anchors{grid-template-columns:1fr;gap:.65rem}
  .hero-actions .btn-theme,.hero-actions .btn-outline-theme{width:100%}
  .intro-wrap{grid-template-columns:1fr;gap:2rem}
  .intro-media{max-height:300px}
  .intro-media img{object-fit:cover}
  .facts-grid{grid-template-columns:1fr}
  .split-row.one,.split-row.two{grid-template-columns:1fr}
  .path-band{padding:1.4rem}
  .step-flow{grid-template-columns:1fr;gap:1rem}
  .panel-card,.base-card{padding:1.5rem}
  .cta-band{padding:70px 0}
  .cta-actions .btn-theme,.cta-actions .btn-ghost{width:100%}
  .site-footer .footer-top{grid-template-columns:1fr;gap:2rem;margin-bottom:2rem}
  .footer-bottom{flex-direction:column}
  .faq-question{font-size:.98rem;padding:1.05rem 1.1rem}
  .faq-answer{padding:0 1.1rem 1.2rem}
}
@media (max-width: 575.98px){
  body{font-size:15px}
  .category-hero{padding:40px 0 28px}
  .category-hero h1{font-size:1.75rem;line-height:1.35}
  .category-hero .hero-lead{font-size:1rem}
  .panel-card h3{font-size:1.2rem}
  .brand-logo{font-size:1.35rem}
  .error-resp{font-size:13px;line-height:1.7}
  .container-xl{padding-left:16px;padding-right:16px}
}