/* roulang page: index */
:root {
  --brand-primary: #1E5D5A;
  --brand-primary-dark: #154643;
  --brand-accent: #C1743F;
  --brand-accent-dark: #A85C2D;
  --bg-body: #F8F6F2;
  --bg-soft: #EDF3F1;
  --bg-deep: #123735;
  --surface: #FFFFFF;
  --text-strong: #1F2927;
  --text-body: #3D4A47;
  --text-muted: #7C8A86;
  --border-light: #E4E0D8;
  --shadow-card: 0 2px 10px rgba(20,55,53,0.06);
  --shadow-float: 0 16px 32px rgba(20,55,53,0.12);
  --radius: 14px;
  --radius-btn: 8px;
  --radius-lg: 20px;
  --container: 1240px;
  --space-section: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease;
}

ul, ol {
  list-style: none;
}

button, input {
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(248,246,242,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow .3s ease;
}

.site-header.scrolled {
  box-shadow: 0 8px 24px rgba(20,55,53,0.08);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 22px;
  font-weight: 900;
  color: var(--brand-primary-dark);
  letter-spacing: -0.5px;
  line-height: 1.2;
  white-space: nowrap;
}

.logo .accent {
  color: var(--brand-accent);
}

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

.main-nav a {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-body);
  padding: 8px 16px;
  border-radius: 8px;
  position: relative;
  transition: color .25s ease, background .25s ease;
}

.main-nav a:hover {
  color: var(--brand-primary);
  background: rgba(30,93,90,0.04);
}

.main-nav a.active {
  color: var(--brand-primary);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  background: var(--brand-accent);
  border-radius: 2px;
}

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

.explore-wrap {
  position: relative;
}

.explore-btn {
  height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--border-light);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-strong);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .25s ease;
}

.explore-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: rgba(30,93,90,0.05);
}

.explore-btn:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

.explore-btn .chev {
  font-size: 12px;
  transition: transform .25s ease;
}

.explore-btn.active .chev {
  transform: rotate(180deg);
}

.mega-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  width: 520px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all .25s ease;
  z-index: 210;
  border: 1px solid var(--border-light);
}

.mega-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.mega-col h4 {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
  font-weight: 700;
}

.mega-link {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 8px 0;
  border-radius: 8px;
}

.mega-link:hover .mega-text strong {
  color: var(--brand-primary);
}

.mega-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--brand-primary);
  flex-shrink: 0;
}

.mega-text strong {
  display: block;
  font-size: 14px;
  color: var(--text-strong);
  transition: color .25s;
}

.mega-text small {
  font-size: 12px;
  color: var(--text-muted);
}

.mega-feature img {
  width: 100%;
  height: 96px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 8px;
}

.mega-feature span {
  font-size: 13px;
  color: var(--text-body);
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 8px;
}

.hamburger span {
  width: 20px;
  height: 2px;
  background: var(--text-strong);
  border-radius: 2px;
  transition: all .3s ease;
}

.hamburger:hover span {
  background: var(--brand-primary);
}

.hamburger:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* ===== Drawer ===== */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18,55,53,0.5);
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: all .3s ease;
}

.drawer-overlay.show {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--surface);
  z-index: 301;
  padding: 24px;
  transition: right .3s ease;
  box-shadow: var(--shadow-float);
}

.mobile-drawer.open {
  right: 0;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.drawer-close {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--bg-soft);
  border-radius: 8px;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-strong);
  transition: all .25s;
}

.drawer-close:hover {
  background: var(--brand-primary);
  color: #fff;
}

.drawer-close:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drawer-nav a {
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-strong);
  background: var(--bg-soft);
  transition: all .25s;
}

.drawer-nav a.active {
  background: var(--brand-primary);
  color: #fff;
}

.drawer-nav a:hover {
  background: var(--brand-primary);
  color: #fff;
}

/* ===== Hero ===== */
.hero {
  padding: calc(72px + 80px) 0 80px;
  background: var(--bg-body);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(30,93,90,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.25;
  color: var(--text-strong);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-content h1 .hl {
  color: var(--brand-accent);
}

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 32px;
  line-height: 1.75;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-float);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-card);
}

.btn-outline {
  background: transparent;
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.btn-outline:hover {
  background: var(--brand-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-float);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

.hero-trust {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.trust-num {
  font-size: 28px;
  font-weight: 900;
  color: var(--brand-primary-dark);
  line-height: 1.2;
}

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

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.hero-card {
  position: absolute;
  left: -20px;
  bottom: 24px;
  background: var(--bg-deep);
  color: #fff;
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-float);
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 280px;
}

.logo-mini {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--brand-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}

.hero-card p {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  line-height: 1.5;
}

/* ===== Story ===== */
.story {
  background: var(--bg-soft);
  padding: var(--space-section) 0;
}

.story-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: center;
}

.story-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--brand-accent-dark);
  background: rgba(193,116,63,0.1);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.story h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.35;
  margin-bottom: 16px;
}

.story p {
  color: var(--text-body);
  margin-bottom: 12px;
  max-width: 480px;
}

.story-media {
  position: relative;
}

.story-media img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.story-float {
  position: absolute;
  top: 20px;
  left: -24px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.story-float .num {
  font-size: 32px;
  font-weight: 900;
  color: var(--brand-primary);
  line-height: 1;
}

.story-float .text {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ===== Featured ===== */
.featured {
  padding: var(--space-section) 0;
  background: var(--bg-body);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  gap: 16px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.3;
}

.section-head .desc {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 480px;
}

.section-more {
  font-size: 14px;
  color: var(--brand-primary);
  font-weight: 600;
  padding: 6px 0;
}

.section-more:hover {
  color: var(--brand-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.featured-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
}

.featured-card.middle {
  transform: translateY(12px);
}

.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-float);
}

.featured-card.middle:hover {
  transform: translateY(-6px);
}

.fc-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.fc-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.featured-card:hover .fc-media img {
  transform: scale(1.03);
}

.fc-body {
  padding: 20px;
}

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.badge-primary {
  background: rgba(30,93,90,0.1);
  color: var(--brand-primary);
}

.badge-accent {
  background: rgba(193,116,63,0.12);
  color: var(--brand-accent-dark);
}

.fc-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 8px;
  line-height: 1.5;
}

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

.fc-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.fc-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  align-items: center;
}

.fc-link {
  color: var(--brand-primary);
  font-weight: 600;
  transition: color .25s;
}

.fc-link:hover {
  color: var(--brand-accent);
}

/* ===== News ===== */
.news-section {
  background: var(--surface);
  padding: var(--space-section) 0;
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: grid;
  grid-template-columns: 110px 1fr 80px;
  gap: 24px;
  align-items: center;
  padding: 20px 12px;
  border-bottom: 1px solid var(--border-light);
  transition: background .25s ease;
}

.news-item:hover {
  background: rgba(30,93,90,0.02);
}

.news-date {
  font-size: 14px;
  font-weight: 800;
  color: var(--brand-primary);
  text-align: center;
  line-height: 1.3;
}

.news-date small {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 2px;
}

.news-body {
  min-width: 0;
}

.news-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 4px;
  line-height: 1.5;
}

.news-title a:hover {
  color: var(--brand-primary);
}

.news-summary {
  font-size: 14px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 640px;
  line-height: 1.6;
}

.news-arrow {
  text-align: right;
}

.news-arrow a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--brand-primary);
  font-size: 18px;
  transition: all .25s;
}

.news-arrow a:hover {
  background: var(--brand-primary);
  color: #fff;
  transform: translateX(2px);
}

.news-arrow a:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

.news-empty {
  border: 2px dashed var(--border-light);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}

/* ===== Trust ===== */
.trust-band {
  background: var(--bg-deep);
  padding: 72px 0;
  color: #fff;
}

.trust-band .data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
  margin-bottom: 48px;
}

.data-num {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.2;
}

.data-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-top: 6px;
}

.quote-row {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  max-width: 900px;
  margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.quote-mark {
  font-size: 72px;
  line-height: 0.8;
  color: var(--brand-accent);
  font-family: Georgia, "Times New Roman", serif;
}

.quote-text {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
}

.quote-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
}

.quote-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
  font-weight: 700;
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .25s ease;
  background: var(--surface);
}

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

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-strong);
  transition: color .25s;
}

.faq-q:hover {
  color: var(--brand-primary);
}

.faq-q:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: -2px;
}

.faq-icon {
  transition: transform .3s ease;
  color: var(--brand-accent);
  font-size: 20px;
  line-height: 1;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}

.faq-item.active .faq-a {
  max-height: 300px;
}

.faq-a-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 0 0 var(--space-section);
  background: var(--bg-body);
}

.cta-card {
  background: var(--bg-deep);
  border-radius: 24px;
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: 40%;
  width: 120px;
  height: 120px;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 50%;
}

.cta-text {
  position: relative;
  z-index: 1;
}

.cta-text h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
}

.cta-text p {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  max-width: 420px;
}

.cta-form-wrap {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.cta-form {
  display: flex;
  gap: 12px;
  width: 420px;
  max-width: 100%;
}

.cta-form input {
  flex: 1;
  height: 48px;
  border: none;
  border-radius: 8px;
  padding: 0 16px;
  font-size: 14px;
  background: #fff;
  color: var(--text-strong);
  outline: none;
  transition: box-shadow .25s;
}

.cta-form input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.cta-form input:focus {
  box-shadow: 0 0 0 3px rgba(30,93,90,0.3);
}

.cta-form .btn {
  height: 48px;
}

.cta-note {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 10px;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

.cta-secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  transition: all .25s;
}

.cta-secondary-btn:hover {
  color: var(--brand-accent);
  border-bottom-color: var(--brand-accent);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  color: #fff;
  padding: 64px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
}

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

.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  max-width: 300px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  color: rgba(255,255,255,0.9);
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 10px;
  transition: color .25s, padding-left .25s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  :root {
    --space-section: 80px;
  }

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

  .hero-content h1 {
    font-size: 42px;
  }

  .story-grid {
    gap: 40px;
  }

  .featured-grid {
    gap: 20px;
  }

  .featured-card.middle {
    transform: none;
  }

  .featured-card:hover {
    transform: translateY(-4px);
  }

  .cta-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-form {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
  }

  .explore-wrap {
    display: none;
  }

  .hamburger {
    display: inline-flex;
  }
}

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

  .container {
    padding: 0 20px;
  }

  .hero {
    padding: calc(60px + 56px) 0 56px;
  }

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

  .hero-content h1 {
    font-size: 32px;
    letter-spacing: -0.5px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-trust {
    gap: 20px;
  }

  .hero-card {
    left: 12px;
    bottom: 12px;
    max-width: 240px;
  }

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

  .story-float {
    left: -8px;
  }

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

  .featured-card.middle {
    transform: none;
  }

  .news-item {
    grid-template-columns: 70px 1fr;
    gap: 16px;
    padding: 16px 8px;
  }

  .news-date {
    font-size: 13px;
  }

  .news-summary {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.5;
  }

  .news-arrow {
    display: none;
  }

  .trust-band .data-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 20px;
  }

  .quote-row {
    flex-direction: column;
  }

  .quote-mark {
    font-size: 48px;
  }

  .cta-card {
    padding: 32px 24px;
    border-radius: 20px;
  }

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

  .cta-form .btn {
    width: 100%;
  }

  .cta-actions {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .footer-bottom {
    flex-direction: column;
  }

  .mega-panel {
    display: none;
  }

  .mobile-drawer {
    width: 280px;
  }
}

@media (max-width: 520px) {
  .hero-content h1 {
    font-size: 28px;
  }

  .trust-num {
    font-size: 24px;
  }

  .data-num {
    font-size: 32px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .story-float {
    position: static;
    margin-top: 16px;
    display: inline-flex;
  }

  .news-date {
    font-size: 12px;
  }
}

/* ===== Focus visible general ===== */
a:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* roulang page: category1 */
:root {
  --brand-primary: #1E5D5A;
  --brand-primary-dark: #154643;
  --brand-accent: #C1743F;
  --brand-accent-dark: #A85C2D;
  --bg-body: #F8F6F2;
  --bg-soft: #EDF3F1;
  --bg-deep: #123735;
  --surface: #FFFFFF;
  --text-strong: #1F2927;
  --text-body: #3D4A47;
  --text-muted: #7C8A86;
  --border-light: #E4E0D8;
  --shadow-card: 0 2px 10px rgba(20,55,53,0.06);
  --shadow-float: 0 16px 32px rgba(20,55,53,0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --container: 1240px;
  --header-h: 72px;
  --space-section: 96px;
  --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-stack); background: var(--bg-body); color: var(--text-body); font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
a { color: var(--brand-primary); text-decoration: none; transition: color .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease; }
a:hover { color: var(--brand-accent-dark); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { color: var(--text-strong); font-weight: 800; line-height: 1.35; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 24px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; transition: all .25s ease; border: 1.5px solid transparent; white-space: nowrap; }
.btn-primary { background: var(--brand-accent); color: #fff; }
.btn-primary:hover { background: var(--brand-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(193,116,63,0.28); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline { border-color: var(--brand-primary); color: var(--brand-primary); background: transparent; }
.btn-outline:hover { background: var(--brand-primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(30,93,90,0.2); }
.btn-outline:active { transform: translateY(0); }
.btn-light { background: #fff; color: var(--brand-primary-dark); }
.btn-light:hover { background: var(--bg-soft); color: var(--brand-primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255,255,255,0.15); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 14px; }
.btn-lg { height: 52px; padding: 0 34px; font-size: 16px; }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 3px; }
.badge { display: inline-block; padding: 3px 12px; border-radius: 4px; font-size: 12px; font-weight: 600; background: rgba(30,93,90,0.1); color: var(--brand-primary); }
.badge-accent { background: rgba(193,116,63,0.12); color: var(--brand-accent-dark); }
.section-space { padding: var(--space-section) 0; }
.section-label { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--brand-primary); margin-bottom: 16px; text-transform: uppercase; }
.section-title { font-size: 32px; font-weight: 800; color: var(--text-strong); margin-bottom: 14px; letter-spacing: -0.01em; }
.section-desc { font-size: 16px; color: var(--text-muted); max-width: 640px; line-height: 1.8; }

/* Header & Nav */
.site-header { position: fixed; top: 0; left: 0; right: 0; height: var(--header-h); background: rgba(248,246,242,0.96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-light); z-index: 1000; transition: box-shadow .3s ease; }
.site-header.scrolled { box-shadow: 0 4px 20px rgba(20,55,53,0.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { display: flex; align-items: center; font-size: 22px; font-weight: 900; color: var(--text-strong); letter-spacing: -0.02em; }
.logo .accent { color: var(--brand-accent); }
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav > a, .nav-item > a { display: inline-flex; align-items: center; height: 40px; padding: 0 16px; font-size: 15px; font-weight: 600; color: var(--text-body); border-radius: var(--radius-sm); position: relative; }
.main-nav > a::after, .nav-item > a::after { content: ''; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 2px; background: var(--brand-primary); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.main-nav > a:hover::after, .nav-item > a:hover::after { transform: scaleX(1); }
.main-nav > a.active, .nav-item > a.active { color: var(--brand-primary); }
.main-nav > a.active::after, .nav-item > a.active::after { transform: scaleX(1); }
.nav-item { position: relative; display: flex; align-items: center; }
.mega-panel { position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%) translateY(8px); background: var(--surface); border-radius: var(--radius-md); box-shadow: var(--shadow-float); padding: 24px; min-width: 560px; opacity: 0; visibility: hidden; transition: all .3s ease; border: 1px solid var(--border-light); }
.nav-item:hover .mega-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega-inner { display: grid; grid-template-columns: 1fr 1fr 180px; gap: 24px; }
.mega-col h4 { font-size: 13px; font-weight: 700; color: var(--text-muted); margin-bottom: 12px; letter-spacing: .06em; }
.mega-col a { display: block; font-size: 14px; color: var(--text-body); padding: 6px 0; border-bottom: 1px solid transparent; }
.mega-col a:hover { color: var(--brand-primary); border-bottom-color: var(--border-light); }
.mega-cover img { width: 180px; height: 120px; object-fit: cover; border-radius: var(--radius-sm); }
.mega-cover .mega-cover-text { font-size: 12px; color: var(--text-muted); margin-top: 8px; line-height: 1.5; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: var(--radius-sm); border: 1px solid var(--border-light); background: var(--surface); flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text-strong); border-radius: 2px; transition: all .3s ease; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; position: fixed; top: var(--header-h); left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--border-light); padding: 12px 24px 24px; box-shadow: 0 12px 30px rgba(20,55,53,0.08); z-index: 999; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: all .3s ease; }
.mobile-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-menu a { display: block; padding: 14px 12px; font-size: 16px; font-weight: 600; color: var(--text-body); border-bottom: 1px solid var(--border-light); border-radius: var(--radius-sm); }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: var(--brand-primary); background: rgba(30,93,90,0.05); }
.mobile-menu a:hover { background: var(--bg-soft); }

/* Page Hero */
.page-hero { background: var(--bg-soft); padding: calc(var(--header-h) + 72px) 0 64px; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(30,93,90,0.05) 1px, transparent 1px); background-size: 28px 28px; pointer-events: none; }
.page-hero-inner { position: relative; z-index: 1; max-width: 860px; }
.crumbs { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.crumbs a { color: var(--text-muted); }
.crumbs a:hover { color: var(--brand-primary); }
.crumbs .sep { opacity: 0.5; }
.page-hero h1 { font-size: 40px; font-weight: 900; line-height: 1.25; color: var(--text-strong); margin-bottom: 18px; letter-spacing: -0.02em; }
.page-hero .hero-sub { font-size: 17px; color: var(--text-muted); max-width: 620px; line-height: 1.8; margin-bottom: 36px; }
.page-hero .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Category Banner */
.cat-banner { padding: 48px 0 0; }
.cat-banner .banner-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; height: 360px; }
.cat-banner .banner-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cat-banner .banner-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,55,53,0.88) 0%, rgba(18,55,53,0.55) 55%, rgba(18,55,53,0.1) 100%); display: flex; align-items: center; }
.cat-banner .banner-content { max-width: 520px; padding: 40px; }
.cat-banner .banner-content h2 { color: #fff; font-size: 28px; font-weight: 800; margin-bottom: 12px; line-height: 1.3; }
.cat-banner .banner-content p { color: rgba(255,255,255,0.82); font-size: 15px; line-height: 1.7; }

/* Feature Split */
.feature-split { padding: 72px 0; }
.feature-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: start; }
.feature-left .section-label { margin-bottom: 14px; }
.feature-left .feature-title { font-size: 26px; font-weight: 800; color: var(--text-strong); line-height: 1.35; margin-bottom: 20px; }
.feature-left .feature-text { font-size: 15px; line-height: 1.9; color: var(--text-body); margin-bottom: 16px; }
.info-blocks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-block { border: 1px solid transparent; border-radius: var(--radius-md); padding: 20px; transition: all .3s ease; }
.info-block:hover { background: var(--surface); box-shadow: var(--shadow-card); border-color: var(--border-light); transform: translateY(-4px); }
.info-block .info-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(30,93,90,0.1); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.info-block .info-icon svg { width: 22px; height: 22px; stroke: var(--brand-primary); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.info-block h3 { font-size: 16px; font-weight: 700; color: var(--text-strong); margin-bottom: 8px; }
.info-block p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* Process */
.process-section { background: var(--surface); padding: var(--space-section) 0; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
.process-header { text-align: center; margin-bottom: 56px; }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: step; }
.process-step { position: relative; text-align: center; padding: 32px 20px; border-radius: var(--radius-md); transition: all .3s ease; }
.process-step:hover { background: var(--bg-soft); box-shadow: var(--shadow-card); }
.process-step .step-num { width: 48px; height: 48px; border-radius: 50%; background: var(--brand-primary); color: #fff; font-size: 18px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; box-shadow: 0 6px 16px rgba(30,93,90,0.22); }
.process-step h3 { font-size: 17px; font-weight: 700; color: var(--text-strong); margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.process-step::after { content: ''; position: absolute; top: 56px; right: -16px; width: 32px; height: 2px; background: var(--border-light); }
.process-step:last-child::after { display: none; }

/* Scenario Cards */
.scenario-section { padding: var(--space-section) 0; }
.scenario-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 48px; flex-wrap: wrap; gap: 16px; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.scenario-card { background: var(--surface); border-radius: var(--radius-md); box-shadow: var(--shadow-card); overflow: hidden; transition: all .3s ease; border: 1px solid var(--border-light); }
.scenario-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-float); }
.scenario-card .card-media { height: 180px; overflow: hidden; }
.scenario-card .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.scenario-card:hover .card-media img { transform: scale(1.04); }
.scenario-card .card-body { padding: 22px 22px 26px; }
.scenario-card .badge { margin-bottom: 12px; }
.scenario-card h3 { font-size: 18px; font-weight: 700; color: var(--text-strong); margin-bottom: 8px; }
.scenario-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* Stats */
.stats-section { background: var(--bg-deep); padding: 72px 0; }
.stats-header { text-align: center; margin-bottom: 48px; }
.stats-header h2 { color: #fff; font-size: 30px; font-weight: 800; }
.stats-header p { color: rgba(255,255,255,0.65); font-size: 15px; margin-top: 8px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item .stat-num { font-size: 42px; font-weight: 900; color: #fff; line-height: 1.2; letter-spacing: -0.02em; }
.stat-item .stat-num .accent { color: var(--brand-accent); }
.stat-item .stat-label { font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 6px; }

/* FAQ */
.faq-section { padding: var(--space-section) 0; background: var(--bg-soft); }
.faq-header { text-align: center; margin-bottom: 48px; }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { background: var(--surface); border: 1px solid var(--border-light); border-radius: 12px; margin-bottom: 12px; overflow: hidden; transition: border-color .3s ease, box-shadow .3s ease; }
.faq-item.active { border-color: var(--brand-primary); box-shadow: 0 0 0 3px rgba(30,93,90,0.08); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; text-align: left; font-size: 15px; font-weight: 600; color: var(--text-strong); transition: color .3s ease; }
.faq-question:hover { color: var(--brand-primary); }
.faq-icon { flex-shrink: 0; width: 22px; height: 22px; position: relative; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: var(--brand-primary); border-radius: 2px; transition: all .3s ease; }
.faq-icon::before { width: 14px; height: 2px; }
.faq-icon::after { width: 2px; height: 14px; }
.faq-item.active .faq-icon::after { transform: translate(-50%, -50%) scaleY(0); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .4s ease; }
.faq-item.active .faq-answer { max-height: 320px; padding: 0 24px 22px; }
.faq-answer p { font-size: 14px; color: var(--text-body); line-height: 1.8; }

/* CTA */
.cta-section { padding: 72px 0; }
.cta-card { background: var(--bg-deep); border-radius: 24px; padding: 64px 48px; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; position: relative; overflow: hidden; }
.cta-card::before { content: ''; position: absolute; top: -60px; right: -40px; width: 220px; height: 220px; border-radius: 50%; background: rgba(30,93,90,0.4); pointer-events: none; }
.cta-content h2 { color: #fff; font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.cta-content p { color: rgba(255,255,255,0.7); font-size: 15px; max-width: 460px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }

/* Footer */
.site-footer { background: var(--bg-deep); padding-top: 64px; padding-bottom: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { font-size: 20px; font-weight: 900; color: #fff; margin-bottom: 14px; }
.footer-logo .accent { color: var(--brand-accent); }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.8; max-width: 320px; }
.footer-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: .04em; }
.footer-col a { display: block; font-size: 14px; color: rgba(255,255,255,0.65); padding: 5px 0; transition: color .25s ease; }
.footer-col a:hover { color: var(--brand-accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: rgba(255,255,255,0.5); flex-wrap: wrap; gap: 8px; }

/* Responsive */
@media (max-width: 1100px) {
  .main-nav > a, .nav-item > a { padding: 0 10px; font-size: 14px; }
  .mega-panel { min-width: 480px; }
  .mega-inner { grid-template-columns: 1fr 1fr 150px; }
  .mega-cover img { width: 150px; height: 100px; }
  .feature-grid { gap: 36px; }
  .info-blocks { gap: 16px; }
  .process-steps { gap: 16px; }
}
@media (max-width: 768px) {
  :root { --space-section: 64px; }
  .main-nav { display: none; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: block; }
  .page-hero { padding: calc(var(--header-h) + 48px) 0 48px; }
  .page-hero h1 { font-size: 30px; }
  .cat-banner .banner-wrap { height: 260px; }
  .cat-banner .banner-content { padding: 24px; }
  .cat-banner .banner-content h2 { font-size: 22px; }
  .feature-grid { grid-template-columns: 1fr; gap: 32px; }
  .info-blocks { grid-template-columns: 1fr; gap: 12px; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 16px; }
  .process-step::after { display: none; }
  .scenario-grid { grid-template-columns: 1fr; gap: 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stat-item .stat-num { font-size: 32px; }
  .cta-card { padding: 40px 24px; flex-direction: column; text-align: center; }
  .cta-content p { margin: 0 auto; }
  .cta-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .mega-panel { display: none; }
}
@media (max-width: 520px) {
  .container { padding: 0 20px; }
  .page-hero h1 { font-size: 24px; }
  .hero-sub { font-size: 15px; }
  .section-title { font-size: 26px; }
  .btn-lg { width: 100%; }
  .hero-actions .btn { flex: 1; }
  .process-steps { grid-template-columns: 1fr; }
  .stats-grid { gap: 24px; }
  .stat-item .stat-num { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: article */
:root {
  --brand-primary: #1E5D5A;
  --brand-primary-dark: #154643;
  --brand-accent: #C1743F;
  --brand-accent-dark: #A85C2D;
  --bg-body: #F8F6F2;
  --bg-soft: #EDF3F1;
  --bg-deep: #123735;
  --surface: #FFFFFF;
  --text-strong: #1F2927;
  --text-body: #3D4A47;
  --text-muted: #7C8A86;
  --border-light: #E4E0D8;
  --shadow-card: 0 2px 10px rgba(20,55,53,0.06);
  --shadow-float: 0 16px 32px rgba(20,55,53,0.12);
  --radius-card: 14px;
  --radius-btn: 8px;
  --radius-img: 20px;
  --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", 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-stack); background: var(--bg-body); color: var(--text-body); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
ul, ol { padding-left: 1.4em; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(248,246,242,0.95); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-light); transition: box-shadow 0.3s ease; }
.site-header.scrolled { box-shadow: 0 4px 18px rgba(20,55,53,0.07); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 32px; }
.logo { font-size: 24px; font-weight: 900; color: var(--text-strong); letter-spacing: -0.5px; line-height: 1.2; }
.logo .accent { color: var(--brand-accent); }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a { font-size: 15px; font-weight: 600; color: var(--text-body); padding: 8px 0; position: relative; white-space: nowrap; }
.main-nav a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--brand-accent); transition: width 0.25s ease; }
.main-nav a:hover { color: var(--brand-primary); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--brand-primary); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 12px 10px; border-radius: var(--radius-btn); }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-strong); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.nav-toggle:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 2px; }
.site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--brand-accent); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--brand-accent); }

/* Article Page */
.article-page { padding: 0 0 24px; }
.breadcrumb { padding: 28px 0 0; font-size: 14px; color: var(--text-muted); display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--brand-primary); }
.breadcrumb .sep { margin: 0 6px; opacity: 0.6; }
.breadcrumb .current { color: var(--text-body); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.article-header { max-width: 800px; margin: 0 auto; padding: 36px 0 20px; }
.article-header h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.3; font-weight: 900; color: var(--text-strong); letter-spacing: -0.02em; }
.article-meta { display: flex; align-items: center; gap: 16px; margin-top: 22px; flex-wrap: wrap; font-size: 14px; color: var(--text-muted); }
.badge { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 4px; background: var(--bg-soft); color: var(--brand-primary); font-size: 13px; font-weight: 600; transition: background 0.25s; }
.meta-date { display: inline-flex; align-items: center; gap: 6px; }
.article-cover { max-width: 800px; margin: 8px auto 36px; }
.article-cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: var(--radius-img); box-shadow: var(--shadow-card); }
.article-body { max-width: 800px; margin: 0 auto; }

.article-content { font-size: 17px; line-height: 1.9; color: var(--text-body); }
.article-content p { margin-bottom: 1.2em; }
.article-content h2 { font-size: 24px; font-weight: 700; color: var(--text-strong); margin: 2em 0 0.8em; line-height: 1.4; }
.article-content h3 { font-size: 20px; font-weight: 700; color: var(--text-strong); margin: 1.6em 0 0.6em; line-height: 1.4; }
.article-content blockquote { border-left: 4px solid var(--brand-primary); background: var(--bg-soft); padding: 18px 24px; border-radius: 0 12px 12px 0; margin: 1.5em 0; color: var(--text-body); }
.article-content blockquote p { margin-bottom: 0; }
.article-content img { width: 100%; height: auto; border-radius: 12px; margin: 24px 0; }
.article-content a { color: var(--brand-primary); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: rgba(30,93,90,0.3); }
.article-content a:hover { color: var(--brand-primary-dark); text-decoration-color: var(--brand-primary); }
.article-content ul, .article-content ol { margin: 1em 0 1.4em; }
.article-content li { margin-bottom: 0.5em; }
.article-content code { background: var(--bg-soft); padding: 2px 8px; border-radius: 4px; font-size: 0.9em; color: var(--brand-primary-dark); }
.article-content pre { background: var(--bg-deep); color: rgba(255,255,255,0.9); padding: 20px; border-radius: 12px; overflow-x: auto; margin: 1.5em 0; font-size: 14px; line-height: 1.7; }

.empty-state { padding: 60px 24px; text-align: center; border: 2px dashed var(--border-light); border-radius: var(--radius-card); background: var(--surface); }
.empty-state p { font-size: 18px; font-weight: 600; color: var(--text-muted); margin-bottom: 20px; }

.share-bar { max-width: 800px; margin: 44px auto 0; padding-top: 24px; border-top: 1px solid var(--border-light); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.share-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: var(--radius-btn); border: 1px solid var(--border-light); background: var(--surface); font-size: 14px; font-weight: 500; color: var(--text-body); cursor: pointer; transition: all 0.25s ease; }
.share-btn:hover { border-color: var(--brand-primary); color: var(--brand-primary); background: var(--bg-soft); transform: translateY(-2px); }
.share-btn:active { transform: translateY(0); }
.share-btn:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 2px; }
.share-btn svg { width: 16px; height: 16px; }
.share-btn .count { font-weight: 700; color: var(--text-strong); }

/* Related */
.related-section { padding: 80px 0 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(22px, 3vw, 28px); font-weight: 800; color: var(--text-strong); letter-spacing: -0.01em; }
.section-head .sub-note { font-size: 14px; color: var(--text-muted); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: var(--surface); border-radius: var(--radius-card); padding: 20px; box-shadow: var(--shadow-card); transition: transform 0.3s ease, box-shadow 0.3s ease; border: 1px solid rgba(228,224,216,0.6); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-float); border-color: transparent; }
.card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: 10px; margin-bottom: 16px; }
.card h3 { font-size: 18px; font-weight: 700; color: var(--text-strong); margin-bottom: 8px; line-height: 1.4; transition: color 0.25s; }
.card:hover h3 { color: var(--brand-primary); }
.card p { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-link { font-size: 14px; font-weight: 600; color: var(--brand-primary); display: inline-flex; align-items: center; gap: 4px; transition: gap 0.25s; }
.card-link:hover { gap: 8px; }

/* CTA */
.cta-section { padding: 80px 0; }
.cta-card { background: var(--bg-deep); border-radius: 24px; padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; position: relative; overflow: hidden; }
.cta-card::before { content: ''; position: absolute; top: -80px; right: -80px; width: 240px; height: 240px; border-radius: 50%; background: rgba(193,116,63,0.12); pointer-events: none; }
.cta-text { flex: 1 1 320px; }
.cta-text h2 { font-size: clamp(22px, 3vw, 28px); font-weight: 800; color: #fff; margin-bottom: 10px; }
.cta-text p { color: rgba(255,255,255,0.75); font-size: 15px; max-width: 460px; }
.cta-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.subscribe-form { display: flex; gap: 10px; flex-wrap: wrap; }
.subscribe-form input { height: 48px; width: 260px; max-width: 100%; border-radius: var(--radius-btn); border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.08); padding: 0 16px; color: #fff; font-size: 14px; transition: border-color 0.25s, background 0.25s; }
.subscribe-form input::placeholder { color: rgba(255,255,255,0.5); }
.subscribe-form input:focus { outline: none; border-color: var(--brand-accent); background: rgba(255,255,255,0.14); box-shadow: 0 0 0 3px rgba(193,116,63,0.25); }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 26px; border-radius: var(--radius-btn); background: var(--brand-accent); border: none; color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.25s ease; gap: 8px; }
.btn-primary:hover { background: var(--brand-accent-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(193,116,63,0.35); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-primary:focus-visible { outline: 2px solid var(--brand-accent); outline-offset: 2px; }
.btn-secondary { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 24px; border-radius: var(--radius-btn); border: 1.5px solid var(--brand-primary); background: transparent; color: var(--brand-primary); font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.25s ease; }
.btn-secondary:hover { background: var(--brand-primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(30,93,90,0.2); }
.btn-secondary:active { transform: translateY(0); }
.btn-secondary:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 2px; }
.btn-secondary.white { border-color: rgba(255,255,255,0.6); color: #fff; }
.btn-secondary.white:hover { background: #fff; color: var(--bg-deep); }

/* FAQ */
.faq-section { padding: 0 0 80px; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border-light); border-radius: 12px; padding: 22px 24px; margin-bottom: 12px; background: var(--surface); transition: border-color 0.3s, box-shadow 0.3s; }
.faq-item.open { border-color: var(--brand-primary); box-shadow: var(--shadow-card); }
.faq-question { display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--text-strong); background: none; border: none; width: 100%; text-align: left; padding: 0; }
.faq-question:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 4px; border-radius: 4px; }
.faq-icon { width: 20px; height: 20px; flex-shrink: 0; position: relative; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; background: var(--brand-primary); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.faq-icon::before { top: 50%; left: 50%; width: 14px; height: 2px; transform: translate(-50%, -50%); }
.faq-icon::after { top: 50%; left: 50%; width: 2px; height: 14px; transform: translate(-50%, -50%); }
.faq-item.open .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; color: var(--text-muted); font-size: 14px; line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 300px; padding-top: 14px; }

/* Footer */
.site-footer { background: var(--bg-deep); color: rgba(255,255,255,0.75); padding: 64px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .footer-logo { font-size: 24px; font-weight: 900; color: #fff; margin-bottom: 16px; letter-spacing: -0.5px; }
.footer-brand .footer-logo .accent { color: var(--brand-accent); }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.8; max-width: 280px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px; }
.footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 14px; margin-bottom: 10px; line-height: 1.6; transition: color 0.25s ease, padding-left 0.25s ease; }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,0.5); }

/* Responsive */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-card { padding: 36px; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .main-nav { position: fixed; top: 72px; left: 0; right: 0; background: var(--surface); flex-direction: column; align-items: flex-start; padding: 20px 24px 28px; gap: 6px; border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-float); transform: translateY(-120%); transition: transform 0.35s ease, opacity 0.35s ease; opacity: 0; pointer-events: none; }
  .site-header.nav-open .main-nav { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav a { font-size: 16px; padding: 12px 0; width: 100%; border-bottom: 1px solid rgba(228,224,216,0.4); }
  .main-nav a:last-child { border-bottom: none; }
  .main-nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .breadcrumb { padding-top: 20px; }
  .article-header { padding-top: 24px; }
  .article-header h1 { font-size: 28px; }
  .article-content { font-size: 16px; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-card { padding: 32px 20px; flex-direction: column; align-items: flex-start; }
  .subscribe-form { width: 100%; }
  .subscribe-form input { width: 100%; flex: 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .article-meta { gap: 12px; }
  .share-bar { gap: 8px; }
  .share-btn { padding: 10px 14px; font-size: 13px; }
  .cta-actions { width: 100%; }
  .subscribe-form { flex-direction: column; }
  .subscribe-form input { width: 100%; }
  .btn-primary { width: 100%; }
}

/* roulang page: category2 */
:root{
  --brand-primary:#1E5D5A;
  --brand-primary-dark:#154643;
  --brand-accent:#C1743F;
  --brand-accent-dark:#A85C2D;
  --bg-body:#F8F6F2;
  --bg-soft:#EDF3F1;
  --bg-deep:#123735;
  --surface:#FFFFFF;
  --text-strong:#1F2927;
  --text-body:#3D4A47;
  --text-muted:#7C8A86;
  --border-light:#E4E0D8;
  --shadow-card:0 2px 10px rgba(20,55,53,.06);
  --shadow-float:0 16px 32px rgba(20,55,53,.12);
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;background:var(--bg-body);color:var(--text-body);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
button{cursor:pointer;border:none;background:none}
:focus-visible{outline:2px solid var(--brand-primary);outline-offset:2px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(248,246,242,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border-light);transition:box-shadow .3s ease}
.site-header.scrolled{box-shadow:0 4px 20px rgba(20,55,53,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:22px;font-weight:800;color:var(--text-strong);letter-spacing:-.02em;line-height:1.2}
.logo .accent{color:var(--brand-accent)}
.main-nav{display:flex;gap:4px;align-items:center}
.main-nav a{position:relative;padding:8px 16px;font-size:15px;font-weight:600;color:var(--text-body);border-radius:var(--radius-sm);transition:color .25s ease}
.main-nav a::after{content:'';position:absolute;left:16px;right:16px;bottom:2px;height:2px;background:var(--brand-primary);border-radius:1px;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.main-nav a:hover{color:var(--brand-primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand-primary)}
.main-nav a.active::after{transform:scaleX(1)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:background .25s ease}
.nav-toggle:hover{background:var(--bg-soft)}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text-strong);margin:3px 0;border-radius:2px;transition:transform .3s ease}

/* Mobile Menu */
.mobile-menu{position:fixed;top:0;right:0;width:280px;height:100vh;background:var(--surface);z-index:200;padding:24px;transform:translateX(100%);transition:transform .35s ease;box-shadow:var(--shadow-float)}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.mobile-close{width:40px;height:40px;font-size:28px;line-height:1;color:var(--text-muted);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:all .25s ease}
.mobile-close:hover{background:var(--bg-soft);color:var(--text-strong)}
.mobile-nav{display:flex;flex-direction:column;gap:8px}
.mobile-nav a{display:block;padding:12px 16px;font-size:16px;font-weight:600;color:var(--text-body);border-radius:var(--radius-sm);transition:all .25s ease}
.mobile-nav a:hover{background:var(--bg-soft);color:var(--brand-primary)}
.mobile-nav a.active{background:rgba(30,93,90,.08);color:var(--brand-primary)}
.mobile-overlay{position:fixed;inset:0;background:rgba(18,55,53,.45);z-index:150;opacity:0;pointer-events:none;transition:opacity .35s ease}
.mobile-overlay.show{opacity:1;pointer-events:auto}

/* Page Hero */
.page-hero{position:relative;background:linear-gradient(rgba(237,243,241,.9),rgba(237,243,241,.94)),url('/assets/images/backpic/back-1.png') center/cover;padding:72px 0 56px}
.page-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(rgba(30,93,90,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(30,93,90,.03) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{font-size:14px;color:var(--text-muted);margin-bottom:20px;display:flex;align-items:center;gap:8px}
.breadcrumb a{color:var(--text-muted);transition:color .25s ease}
.breadcrumb a:hover{color:var(--brand-primary)}
.breadcrumb .sep{color:var(--border-light)}
.breadcrumb span:last-child{color:var(--text-body);font-weight:500}
.page-hero h1{font-size:36px;font-weight:800;color:var(--text-strong);line-height:1.3;letter-spacing:-.01em;margin-bottom:14px}
.page-hero p{font-size:16px;color:var(--text-muted);max-width:540px;line-height:1.8}

/* Resource Section */
.resource-section{padding:72px 0 56px}
.resource-layout{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:start;margin-bottom:48px}
.side-nav{position:sticky;top:96px}
.side-nav-inner{background:var(--surface);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-card);border:1px solid var(--border-light)}
.side-nav-inner h4{font-size:13px;font-weight:700;color:var(--text-muted);letter-spacing:.08em;margin-bottom:16px;text-transform:uppercase}
.side-nav-inner a{display:block;padding:10px 12px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:var(--text-body);transition:all .25s ease;margin-bottom:4px;position:relative}
.side-nav-inner a::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:0;height:2px;background:var(--brand-accent);border-radius:1px;transition:width .25s ease}
.side-nav-inner a:hover{background:var(--bg-soft);color:var(--brand-primary);padding-left:16px}
.side-nav-inner a:hover::before{width:8px}
.resource-group{margin-bottom:40px;scroll-margin-top:110px}
.resource-group:last-child{margin-bottom:0}
.resource-group h2{font-size:24px;font-weight:800;color:var(--text-strong);margin-bottom:20px;position:relative;padding-left:16px;line-height:1.4}
.resource-group h2::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:22px;background:var(--brand-accent);border-radius:2px}
.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.resource-item{background:var(--surface);border-radius:var(--radius-md);padding:16px;display:flex;gap:16px;box-shadow:var(--shadow-card);border:1px solid var(--border-light);transition:all .3s ease}
.resource-item:hover{box-shadow:var(--shadow-float);transform:translateY(-3px);border-color:rgba(30,93,90,.2)}
.resource-item img{width:96px;height:72px;object-fit:cover;border-radius:var(--radius-sm);flex-shrink:0;background:var(--bg-soft)}
.resource-body{display:flex;flex-direction:column;align-items:flex-start}
.resource-body h3{font-size:16px;font-weight:700;color:var(--text-strong);margin-bottom:6px;line-height:1.4;transition:color .25s ease}
.resource-item:hover .resource-body h3{color:var(--brand-primary)}
.resource-body p{font-size:13px;color:var(--text-muted);line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.read-more{font-size:13px;font-weight:600;color:var(--brand-primary);display:inline-flex;align-items:center;gap:4px;transition:gap .25s ease;margin-top:auto}
.read-more:hover{gap:8px}
.back-home-wrap{display:flex;justify-content:center;padding:24px 0 8px}
.back-home{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 28px;border:1.5px solid var(--brand-primary);border-radius:var(--radius-sm);color:var(--brand-primary);font-size:15px;font-weight:600;background:transparent;transition:all .25s ease}
.back-home:hover{background:var(--brand-primary);color:#fff;transform:translateY(-2px);box-shadow:0 6px 16px rgba(30,93,90,.2)}
.back-home:active{transform:translateY(0)}

/* FAQ */
.faq-section{background:var(--bg-soft);padding:72px 0}
.faq-section .section-title{text-align:center;font-size:28px;font-weight:800;color:var(--text-strong);margin-bottom:40px;line-height:1.4}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border-light);border-radius:12px;padding:20px 24px;margin-bottom:12px;transition:border-color .3s ease,box-shadow .3s ease}
.faq-item[open]{border-color:var(--brand-primary);box-shadow:var(--shadow-card)}
.faq-item summary{font-size:15px;font-weight:600;color:var(--text-strong);list-style:none;display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:16px;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-primary)}
.faq-icon{position:relative;width:24px;height:24px;flex-shrink:0;border-radius:50%;background:rgba(30,93,90,.08);transition:background .3s ease}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--brand-primary);border-radius:2px;transition:transform .3s ease}
.faq-icon::before{width:12px;height:2px;top:11px;left:6px}
.faq-icon::after{width:2px;height:12px;top:6px;left:11px}
.faq-item[open] .faq-icon{background:rgba(30,93,90,.15)}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-answer{padding-top:14px;font-size:14px;color:var(--text-body);line-height:1.8;border-top:1px solid var(--border-light);margin-top:14px}

/* CTA */
.cta-section{padding:72px 0}
.cta-card{background:var(--bg-deep);border-radius:24px;padding:48px 56px;display:flex;justify-content:space-between;align-items:center;gap:32px;position:relative;overflow:hidden}
.cta-card::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.04);pointer-events:none}
.cta-card h2{font-size:28px;font-weight:800;color:#fff;line-height:1.4;margin-bottom:8px}
.cta-card p{font-size:15px;color:rgba(255,255,255,.7)}
.cta-actions{display:flex;gap:12px;flex-shrink:0;position:relative;z-index:1}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 24px;background:var(--brand-accent);color:#fff;border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:all .25s ease;white-space:nowrap}
.btn-primary:hover{background:var(--brand-accent-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(193,116,63,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 24px;background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:all .25s ease;white-space:nowrap}
.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* Footer */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.75);padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-logo{font-size:22px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.02em}
.footer-logo .accent{color:var(--brand-accent)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.7;max-width:280px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;line-height:1.4}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.6);padding:4px 0;transition:color .25s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.12);padding-top:32px;font-size:13px;color:rgba(255,255,255,.5)}

/* Responsive */
@media (max-width: 1100px){
  .resource-layout{grid-template-columns:200px 1fr;gap:32px}
  .resource-grid{grid-template-columns:1fr}
  .cta-card{padding:40px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width: 880px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .resource-layout{grid-template-columns:1fr}
  .side-nav{display:none}
  .resource-grid{grid-template-columns:1fr}
  .resource-section{padding:56px 0 40px}
  .page-hero{padding:56px 0 44px}
  .page-hero h1{font-size:32px}
  .faq-section{padding:56px 0}
  .cta-section{padding:56px 0}
}
@media (max-width: 640px){
  .container{padding:0 20px}
  .header-inner{height:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px;align-items:flex-start}
  .cta-card{padding:32px 24px}
  .cta-card h2{font-size:24px}
  .cta-actions{width:100%;flex-direction:column}
  .btn-primary,.btn-secondary{width:100%}
  .resource-item{padding:14px}
  .resource-item img{width:84px;height:64px}
  .resource-body h3{font-size:15px}
  .resource-body p{font-size:12px}
  .page-hero h1{font-size:28px}
  .breadcrumb{font-size:13px}
  .faq-item{padding:16px 18px}
  .faq-item summary{font-size:14px}
}
@media (max-width: 420px){
  .resource-item{flex-direction:column}
  .resource-item img{width:100%;height:120px}
}