/* roulang page: index */
:root {
  --primary: #0E6B5C;
  --primary-hover: #095548;
  --primary-light: #1A9E8C;
  --cta: #F0A01E;
  --cta-hover: #F5B23A;
  --cta-text: #1A2E2A;
  --bg: #F6F7F2;
  --card-bg: #FFFFFF;
  --text: #1E2D29;
  --text-secondary: #5C6B66;
  --text-muted: #9AA8A2;
  --border: #E4E9E5;
  --success: #2D9C6A;
  --warning: #D9822B;
  --error: #C0392B;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 2px 8px rgba(23,53,45,0.04), 0 10px 24px rgba(23,53,45,0.05);
  --shadow-hover: 0 6px 16px rgba(23,53,45,0.08), 0 16px 32px rgba(23,53,45,0.08);
  --transition: all 0.25s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--primary-light);
}
ul, ol {
  list-style: none;
}
button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-pad {
  padding: 88px 0;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 44px;
}
.section-header h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}
.section-header .section-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.section-header .section-link:hover {
  color: var(--primary-hover);
}
.kicker {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: inline-block;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  line-height: 1.4;
}
.btn:focus-visible {
  outline: 3px solid rgba(14,107,92,0.2);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  color: #fff;
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-cta {
  background: var(--cta);
  color: var(--cta-text);
}
.btn-cta:hover {
  background: var(--cta-hover);
  transform: translateY(-2px);
  color: var(--cta-text);
}
.btn-cta:active {
  transform: translateY(0);
}
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.btn-outline-dark {
  background: #fff;
  border: 1px solid #C9D2CD;
  color: var(--text);
}
.btn-outline-dark:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-outline-dark:active {
  transform: translateY(0);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 #EAEEEA, 0 4px 12px rgba(23,53,45,0.04);
}
.header-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}
.logo-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.logo:hover .logo-text {
  color: var(--primary);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-size: 15px;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(14,107,92,0.04);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.search-box {
  position: relative;
}
.search-box svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}
.search-box input {
  width: 200px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 0 16px 0 40px;
  font-size: 14px;
  color: var(--text);
  transition: var(--transition);
}
.search-box input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(14,107,92,0.12);
}
.search-box input::placeholder {
  color: var(--text-muted);
}
.header-actions .btn {
  padding: 10px 24px;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: var(--bg);
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(rgba(6,46,38,0.85), rgba(14,107,92,0.68)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow: hidden;
}
.hero-content {
  padding: 108px 0 60px;
  max-width: 100%;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
  max-width: 720px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero-subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,0.88);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero-trust {
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.2);
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.trust-item .trust-num {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.trust-item .trust-label {
  font-size: 13px;
  color: rgba(255,255,255,0.72);
}

/* ===== Brand Story ===== */
.brand-story {
  background: var(--bg);
}
.story-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: center;
}
.story-text .kicker {
  margin-bottom: 14px;
}
.story-text h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
}
.story-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.story-points {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}
.story-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}
.story-points li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}
.story-image {
  position: relative;
}
.story-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  object-fit: cover;
  aspect-ratio: 4/3;
}
.story-badge {
  position: absolute;
  bottom: -18px;
  right: 24px;
  background: var(--cta);
  color: var(--cta-text);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(240,160,30,0.3);
}

/* ===== Featured Cards ===== */
.featured-section {
  background: #fff;
}
.featured-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.featured-card-main {
  grid-column: span 2;
  grid-row: span 1;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid #ECEFED;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.featured-card-main:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}
.featured-card-main .card-img {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
}
.featured-card-main .card-body {
  padding: 24px;
}
.featured-card-main h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  transition: var(--transition);
}
.featured-card-main:hover h3 {
  color: var(--primary);
}
.featured-card-main .card-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.card-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(14,107,92,0.08);
  color: var(--primary);
}
.card-tag.hot {
  background: #FFF4E0;
  color: var(--warning);
}
.card-item-sm {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid #ECEFED;
  box-shadow: var(--shadow-card);
  padding: 20px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card-item-sm:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}
.card-item-sm .card-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
  flex-shrink: 0;
  margin-bottom: 4px;
}
.card-item-sm h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  transition: var(--transition);
}
.card-item-sm:hover h3 {
  color: var(--primary);
}
.card-item-sm p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.card-item-sm .card-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-top: auto;
}
.card-item-sm .card-link:hover {
  color: var(--primary-hover);
}

/* ===== News List (CMS) ===== */
.news-section {
  background: var(--bg);
}
.news-list {
  display: flex;
  flex-direction: column;
}
.news-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 22px 16px;
  border-bottom: 1px solid var(--border);
  border-radius: 12px;
  transition: var(--transition);
}
.news-item:hover {
  background: #F0F5F2;
}
.news-item:hover .news-date {
  background: var(--primary);
  color: #fff;
}
.news-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 14px;
  background: #F0F5F2;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.news-date .day {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}
.news-date .month {
  font-size: 12px;
  line-height: 1.4;
}
.news-info {
  flex: 1;
  min-width: 0;
}
.news-info h4 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 6px;
  color: var(--text);
  transition: var(--transition);
}
.news-info h4:hover {
  color: var(--primary);
}
.news-info p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(14,107,92,0.08);
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}
.news-readmore {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.empty-state {
  padding: 64px 24px;
  border: 2px dashed #D5DDD8;
  border-radius: var(--radius);
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}
.empty-state .empty-icon {
  font-size: 36px;
  display: block;
  margin-bottom: 12px;
}

/* ===== Stats ===== */
.stats-section {
  background: #EDF1ED;
}
.stats-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: center;
}
.stats-text h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
}
.stats-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.stats-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  border-bottom: 3px solid var(--primary);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}
.stat-card .stat-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-card .stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===== Steps ===== */
.steps-section {
  background: #fff;
}
.steps-header {
  text-align: center;
  margin-bottom: 48px;
}
.steps-header h2 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 12px;
}
.steps-header p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 600px;
  margin: 0 auto;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step-item {
  text-align: center;
  padding: 40px 32px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.step-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-card);
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.step-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}
.step-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg);
}
.faq-section .section-header {
  text-align: center;
  display: block;
}
.faq-section .section-header h2 {
  margin-bottom: 8px;
}
.faq-section .section-header p {
  color: var(--text-secondary);
  font-size: 15px;
}
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
  width: 100%;
  text-align: left;
  background: none;
  border: none;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-q-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.faq-toggle {
  margin-left: auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  position: relative;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.faq-toggle::before {
  width: 12px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.faq-toggle::after {
  width: 2px;
  height: 12px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.faq-item.active .faq-toggle::after {
  transform: translate(-50%, -50%) scaleY(0);
}
.faq-item.active .faq-toggle {
  border-color: var(--primary);
  background: rgba(14,107,92,0.06);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 8px 0 54px;
}
.faq-answer p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  padding-bottom: 20px;
}
.faq-item.active .faq-answer {
  max-height: 400px;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 40px solid rgba(240,160,30,0.25);
  pointer-events: none;
}
.cta-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
.cta-text h2 {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 12px;
}
.cta-text p {
  color: rgba(255,255,255,0.82);
  font-size: 15px;
}
.cta-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cta-form input {
  flex: 1;
  min-width: 220px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 0 20px;
  font-size: 15px;
  color: var(--text);
  transition: var(--transition);
  border: 2px solid transparent;
}
.cta-form input:focus {
  border-color: var(--cta);
  box-shadow: 0 0 0 3px rgba(240,160,30,0.3);
}
.cta-form input::placeholder {
  color: var(--text-muted);
}
.cta-form .btn {
  height: 48px;
  padding: 0 32px;
}
.cta-note {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-top: 10px;
  width: 100%;
}

/* ===== Footer ===== */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 16px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-secondary);
}
.footer-col ul a:hover {
  color: var(--primary);
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.footer-contact .contact-icon {
  color: var(--primary);
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom .copyright {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom .legal-links {
  display: flex;
  gap: 24px;
}
.footer-bottom .legal-links a {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom .legal-links a:hover {
  color: var(--primary);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 12px 24px rgba(23,53,45,0.08);
  z-index: 99;
  padding: 16px 24px 24px;
}
.mobile-menu.open {
  display: block;
}
.mobile-menu .mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu .mobile-nav a {
  font-size: 16px;
  color: var(--text);
  padding: 12px 8px;
  border-radius: 8px;
  font-weight: 500;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.mobile-menu .mobile-nav a.active {
  color: var(--primary);
  background: rgba(14,107,92,0.05);
  font-weight: 600;
}
.mobile-menu .mobile-nav a:hover {
  background: rgba(14,107,92,0.04);
  color: var(--primary);
}
.mobile-menu .mobile-search {
  margin-top: 16px;
  position: relative;
}
.mobile-menu .mobile-search svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}
.mobile-menu .mobile-search input {
  width: 100%;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 0 16px 0 40px;
  font-size: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .container {
    padding: 0 32px;
  }
  .featured-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .featured-card-main {
    grid-column: span 2;
  }
  .hero-title {
    font-size: 38px;
  }
}
@media (max-width: 1023px) {
  .section-pad {
    padding: 64px 0;
  }
  .main-nav {
    display: none;
  }
  .header-actions .search-box {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .story-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .featured-card-main {
    grid-column: span 2;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .step-item {
    padding: 28px 20px;
  }
  .cta-box {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}
@media (max-width: 767px) {
  .container {
    padding: 0 20px;
  }
  .section-pad {
    padding: 56px 0;
  }
  .hero-content {
    padding: 72px 0 44px;
    min-height: 480px;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-trust {
    gap: 24px;
  }
  .trust-item .trust-num {
    font-size: 22px;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .section-header h2 {
    font-size: 24px;
  }
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .featured-card-main {
    grid-column: span 1;
  }
  .stats-cards {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .news-date {
    flex-direction: row;
    width: auto;
    height: auto;
    padding: 6px 14px;
    border-radius: 999px;
    gap: 6px;
  }
  .news-date .day {
    font-size: 16px;
  }
  .news-info p {
    white-space: normal;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
  }
  .news-tag {
    align-self: flex-start;
  }
  .cta-form {
    flex-direction: column;
  }
  .cta-form input {
    width: 100%;
  }
  .cta-form .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 520px) {
  .header-inner {
    gap: 12px;
  }
  .logo-text {
    font-size: 15px;
  }
  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }
  .header-actions .btn {
    padding: 9px 18px;
    font-size: 13px;
  }
  .hero-title {
    font-size: 28px;
  }
  .hero-btns {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-btns .btn {
    width: 100%;
  }
  .story-badge {
    bottom: -12px;
    right: 12px;
    font-size: 12px;
    padding: 8px 16px;
  }
  .story-text h2 {
    font-size: 24px;
  }
  .stats-text h2 {
    font-size: 24px;
  }
  .steps-header h2 {
    font-size: 24px;
  }
  .faq-section .section-header h2 {
    font-size: 24px;
  }
  .faq-answer {
    padding: 0 8px 0 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0E6B5C;
  --primary-dark: #095548;
  --primary-light: #1A9E8C;
  --cta: #F0A01E;
  --cta-hover: #F5B23A;
  --bg: #F6F7F2;
  --surface: #FFFFFF;
  --text: #1E2D29;
  --text-secondary: #5C6B66;
  --text-muted: #9AA8A2;
  --border: #E4E9E5;
  --border-light: #ECEFED;
  --success: #2D9C6A;
  --warning: #D9822B;
  --error: #C0392B;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-card: 0 2px 8px rgba(23,53,45,0.04), 0 10px 24px rgba(23,53,45,0.05);
  --shadow-hover: 0 6px 16px rgba(23,53,45,0.08), 0 16px 32px rgba(23,53,45,0.08);
  --shadow-nav: 0 1px 0 #EAEEEA, 0 4px 12px rgba(23,53,45,0.04);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-en: Inter, "Segoe UI", Roboto, sans-serif;
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

input {
  font-family: inherit;
  border: none;
  outline: none;
}

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

.section {
  padding: 88px 0;
}

.section-head {
  margin-bottom: 48px;
}

.section-head .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(14,107,92,0.08);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.section-head h2 {
  font-size: 30px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.section-head p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 640px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14,107,92,0.18);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-cta {
  background: var(--cta);
  color: #1A2E2A;
}

.btn-cta:hover {
  background: var(--cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(240,160,30,0.25);
}

.btn-outline {
  background: transparent;
  border: 1px solid #C9D2CD;
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(14,107,92,0.04);
}

.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.6);
  color: #fff;
}

.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* Header */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-nav);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

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

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(14,107,92,0.05);
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 16px;
  right: 16px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 14px;
  height: 40px;
  width: 200px;
  gap: 8px;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,107,92,0.12);
  background: #fff;
}

.search-box svg {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  font-size: 13px;
  width: 100%;
  color: var(--text);
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(14,107,92,0.06);
  color: var(--primary);
}

/* Hero Banner */
.page-hero {
  position: relative;
  background: linear-gradient(100deg, rgba(6,42,36,0.92) 0%, rgba(10,72,62,0.78) 46%, rgba(20,92,78,0.62) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 88px 0 76px;
  color: #fff;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255,255,255,0.08);
}

.page-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.page-hero .hero-badge span {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cta);
}

.page-hero h1 {
  font-size: 38px;
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}

.page-hero p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin-bottom: 28px;
}

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

/* News Feature Section */
.news-feature {
  padding: 88px 0 56px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.news-item {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  gap: 28px;
}

.news-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14,107,92,0.25);
}

.news-item .news-media {
  width: 40%;
  flex-shrink: 0;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #EEF1EC;
}

.news-item .news-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-item:hover .news-media img {
  transform: scale(1.03);
}

.news-item .news-body {
  flex: 1;
  min-width: 0;
}

.news-item .news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(14,107,92,0.08);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.news-item h3 {
  font-size: 19px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  transition: var(--transition);
}

.news-item:hover h3 {
  color: var(--primary);
}

.news-item .news-excerpt {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item .news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.news-item .news-meta svg {
  width: 14px;
  height: 14px;
  vertical-align: -2px;
  margin-right: 4px;
}

.news-item .news-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.news-item .news-link:hover {
  gap: 8px;
}

/* Stats Bar */
.stats-section {
  background: #EDF1ED;
  padding: 72px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(23,53,45,0.04);
  border-bottom: 4px solid var(--primary);
  transition: var(--transition);
}

.stat-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.stat-card .stat-num {
  font-size: 40px;
  font-weight: 700;
  font-family: var(--font-en);
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Hot Topics */
.hot-topics {
  padding: 88px 0;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.topic-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14,107,92,0.25);
}

.topic-card .topic-media {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #EEF1EC;
  position: relative;
}

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

.topic-card:hover .topic-media img {
  transform: scale(1.04);
}

.topic-card .topic-media .topic-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(255,255,255,0.92);
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.topic-card .topic-body {
  padding: 20px 22px 24px;
}

.topic-card .topic-body h3 {
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  transition: var(--transition);
}

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

.topic-card .topic-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.topic-card .topic-body .topic-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

/* Value Section */
.value-section {
  background: #fff;
  padding: 88px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

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

.value-copy .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(14,107,92,0.08);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.value-copy h2 {
  font-size: 28px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.value-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.value-points {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.value-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}

.value-points li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 8px;
  flex-shrink: 0;
}

.value-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
}

.value-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.value-media::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30%;
  background: linear-gradient(to top, rgba(14,107,92,0.2), transparent);
}

/* FAQ */
.faq-section {
  padding: 88px 0;
}

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

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}

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

.faq-q-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.faq-q-text {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}

.faq-q-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-q-toggle svg {
  width: 14px;
  height: 14px;
  transition: transform 0.25s ease;
}

.faq-item.active .faq-q-toggle {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.faq-item.active .faq-q-toggle svg {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 0 22px 44px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
  position: relative;
  background: var(--primary);
  padding: 72px 0;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(240,160,30,0.18);
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: 40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 24px solid rgba(255,255,255,0.05);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.cta-inner p {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto 16px;
}

.cta-form input {
  flex: 1;
  height: 48px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: 14px;
  padding: 0 18px;
  transition: var(--transition);
}

.cta-form input::placeholder {
  color: rgba(255,255,255,0.6);
}

.cta-form input:focus {
  outline: none;
  border-color: var(--cta);
  background: rgba(255,255,255,0.18);
  box-shadow: 0 0 0 3px rgba(240,160,30,0.2);
}

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

.cta-note {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}

/* Footer */
.site-footer {
  background: #fff;
  padding-top: 64px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .logo-text {
  font-size: 17px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--bg);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

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

.footer-contact p {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
  line-height: 1.6;
}

.footer-contact svg {
  width: 15px;
  height: 15px;
  color: var(--primary);
  margin-top: 4px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom .footer-links {
  display: flex;
  gap: 24px;
}

.footer-bottom .footer-links a {
  color: var(--text-muted);
  transition: var(--transition);
}

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

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(14,107,92,0.25);
  outline-offset: 2px;
}

/* Responsive */
@media (max-width: 1199px) {
  .container {
    padding: 0 32px;
  }
  .search-box {
    width: 160px;
  }
  .nav-link {
    padding: 10px 12px;
  }
  .page-hero h1 {
    font-size: 34px;
  }
}

@media (max-width: 1023px) {
  .section {
    padding: 56px 0;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 24px rgba(23,53,45,0.06);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link {
    padding: 14px 16px;
    font-size: 16px;
    border-radius: var(--radius-md);
  }
  .nav-link.active {
    background: rgba(14,107,92,0.07);
  }
  .nav-link.active::after {
    display: none;
  }
  .header-actions {
    margin-left: auto;
  }
  .search-box {
    display: none;
  }
  .value-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .value-media {
    aspect-ratio: 16/9;
    max-height: 300px;
  }
  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    gap: 16px;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 20px;
  }
  .section {
    padding: 48px 0;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .header-inner {
    height: 60px;
  }
  .main-nav {
    top: 60px;
  }
  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }
  .logo-text {
    font-size: 15px;
  }
  .btn {
    padding: 10px 20px;
  }
  .header-actions .btn-cta {
    padding: 10px 16px;
    font-size: 13px;
  }
  .page-hero {
    padding: 56px 0 48px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .page-hero p {
    font-size: 15px;
  }
  .news-item {
    flex-direction: column;
    padding: 16px;
    gap: 16px;
  }
  .news-item .news-media {
    width: 100%;
    aspect-ratio: 16/9;
  }
  .news-feature {
    padding: 48px 0 32px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .stat-card {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    text-align: left;
  }
  .stat-card .stat-num {
    font-size: 32px;
    margin-bottom: 0;
  }
  .topics-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .cta-form {
    flex-direction: column;
    gap: 10px;
  }
  .cta-form .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .faq-answer-inner {
    padding-left: 0;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .header-actions .search-box {
    display: none;
  }
  .btn {
    font-size: 13px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .news-item .news-meta {
    flex-wrap: wrap;
    gap: 8px;
  }
  .news-item .news-link {
    margin-left: 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    align-items: flex-start;
  }
}

/* roulang page: article */
:root {
    --primary: #0E6B5C;
    --primary-dark: #095548;
    --primary-light: #1A9E8C;
    --cta: #F0A01E;
    --cta-hover: #F5B23A;
    --bg: #F6F7F2;
    --surface: #FFFFFF;
    --text: #1E2D29;
    --text-2: #5C6B66;
    --text-3: #9AA8A2;
    --border: #E4E9E5;
    --border-light: #ECEFED;
    --success: #2D9C6A;
    --warning: #D9822B;
    --error: #C0392B;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-pill: 999px;
    --shadow-card: 0 2px 8px rgba(23,53,45,0.04), 0 10px 24px rgba(23,53,45,0.05);
    --shadow-hover: 0 6px 16px rgba(23,53,45,0.08), 0 16px 32px rgba(23,53,45,0.08);
    --shadow-nav: 0 1px 0 #EAEEEA, 0 4px 12px rgba(23,53,45,0.04);
    --transition: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input { font-family: inherit; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 按钮 ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 14px; font-weight: 600; padding: 12px 28px; border-radius: var(--radius-md); transition: var(--transition); cursor: pointer; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }
.btn-primary:active { transform: translateY(1px); }
.btn-cta { background: var(--cta); color: #1A2E2A; }
.btn-cta:hover { background: var(--cta-hover); color: #1A2E2A; transform: translateY(-2px); }
.btn-line { background: var(--surface); border: 1px solid #C9D2CD; color: var(--text-2); }
.btn-line:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 8px 20px; font-size: 13px; border-radius: 8px; }

/* ===== Header / Nav ===== */
.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-nav);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 68px;
    display: flex;
    align-items: center;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 38px; height: 38px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 17px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.logo-text { font-size: 17px; font-weight: 700; color: var(--text); white-space: nowrap; }
.logo:hover .logo-text { color: var(--primary); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 10px 16px; font-size: 15px; font-weight: 500; color: var(--text-2); border-radius: 8px; position: relative; white-space: nowrap; }
.nav-link:hover { color: var(--primary); background: rgba(14,107,92,0.06); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 3px; background: var(--primary); border-radius: 3px 3px 0 0; }
.header-tools { display: flex; align-items: center; gap: 12px; }
.search-form { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-pill); padding: 0 14px; height: 40px; width: 200px; transition: var(--transition); }
.search-form:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14,107,92,0.12); background: var(--surface); }
.search-icon { color: var(--text-3); flex-shrink: 0; }
.search-form input { border: none; outline: none; background: transparent; padding-left: 8px; font-size: 14px; color: var(--text); width: 100%; }
.search-form input::placeholder { color: var(--text-3); }
.nav-toggle { display: none; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border-radius: 8px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== 面包屑 ===== */
.breadcrumb-bar { background: #F0F2ED; border-bottom: 1px solid var(--border); padding: 12px 0; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--text-3); }
.breadcrumb a { color: var(--primary); font-weight: 500; }
.breadcrumb a:hover { color: var(--primary-dark); text-decoration: underline; }
.breadcrumb .sep { color: var(--text-3); }
.breadcrumb .current { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 320px; }

/* ===== 文章页主体 ===== */
.article-main { padding: 40px 0 72px; }
.post-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    padding: 48px;
    max-width: 960px;
    margin: 0 auto 40px;
}
.post-header { margin-bottom: 32px; }
.post-header h1 { font-size: 32px; line-height: 1.4; font-weight: 700; color: var(--text); margin-bottom: 16px; }
.post-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; font-size: 14px; color: var(--text-2); padding-bottom: 24px; border-bottom: 1px solid var(--border-light); }
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item a { color: var(--primary); font-weight: 500; }
.meta-icon { color: var(--text-3); }

/* ===== 正文排版 ===== */
.article-body { max-width: 720px; margin: 0 auto; font-size: 16px; line-height: 1.8; color: var(--text); }
.post-cover { border-radius: 12px; margin: 0 auto 28px; max-height: 400px; object-fit: cover; width: 100%; }
.article-body h2 { font-size: 24px; font-weight: 700; color: var(--text); margin: 40px 0 16px; padding-left: 14px; border-left: 4px solid var(--primary); line-height: 1.4; }
.article-body h3 { font-size: 20px; font-weight: 600; color: var(--text); margin: 32px 0 12px; line-height: 1.5; }
.article-body h4 { font-size: 17px; font-weight: 600; color: var(--text); margin: 24px 0 8px; }
.article-body p { margin-bottom: 1.2em; }
.article-body ul, .article-body ol { margin: 0 0 1.4em; padding-left: 1.4em; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 6px; }
.article-body li::marker { color: var(--primary); }
.article-body blockquote { margin: 24px 0; padding: 20px 24px; background: #F0F5F2; border-left: 4px solid var(--primary); border-radius: 0 10px 10px 0; color: var(--text-2); font-size: 15px; }
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 15px; border-radius: 8px; overflow: hidden; }
.article-body table th { background: var(--primary); color: #fff; padding: 12px 16px; text-align: left; font-weight: 600; }
.article-body table td { padding: 12px 16px; border-bottom: 1px solid var(--border-light); }
.article-body table tr:nth-child(even) { background: #F8FAF8; }
.article-body table tr:hover { background: #F0F5F2; }
.article-body code { background: #F2F4F2; padding: 3px 8px; border-radius: 6px; font-family: "SFMono-Regular", Consolas, monospace; font-size: 14px; color: #2D5A4F; }
.article-body pre { background: #1E2D29; color: #DDE8E3; padding: 20px; border-radius: 12px; overflow-x: auto; margin: 24px 0; font-size: 14px; line-height: 1.7; }
.article-body pre code { background: transparent; color: inherit; padding: 0; font-size: 14px; }
.article-body img { border-radius: 10px; margin: 24px auto; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--primary-dark); text-decoration: none; }
.article-body figure { margin: 24px 0; }
.article-body figcaption { font-size: 13px; color: var(--text-3); text-align: center; margin-top: 8px; }

/* ===== 文末标签 ===== */
.post-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 32px 0 0; max-width: 720px; margin-left: auto; margin-right: auto; }
.tag { display: inline-block; background: #F0F2ED; color: var(--text-2); font-size: 13px; padding: 6px 16px; border-radius: var(--radius-pill); transition: var(--transition); }
.tag:hover { background: var(--primary); color: #fff; }

/* ===== 分享区 ===== */
.post-share { display: flex; align-items: center; gap: 14px; margin: 28px 0 0; padding-top: 24px; border-top: 1px solid var(--border-light); max-width: 720px; margin-left: auto; margin-right: auto; }
.share-label { font-size: 14px; color: var(--text-3); }
.share-btn { display: inline-flex; align-items: center; gap: 6px; background: var(--bg); color: var(--text-2); font-size: 14px; padding: 8px 18px; border-radius: var(--radius-pill); transition: var(--transition); }
.share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.share-btn svg { width: 16px; height: 16px; }

/* ===== 内容未找到 ===== */
.not-found { text-align: center; padding: 60px 0; }
.not-found p { font-size: 18px; color: var(--text-2); margin-bottom: 20px; }

/* ===== 相关推荐 ===== */
.related-posts { max-width: 960px; margin: 0 auto 40px; }
.related-posts h3 { font-size: 22px; font-weight: 700; color: var(--text); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.related-posts h3::before { content: ""; width: 4px; height: 20px; background: var(--primary); border-radius: 2px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card { background: var(--surface); border-radius: var(--radius-lg); border: 1px solid var(--border-light); box-shadow: var(--shadow-card); overflow: hidden; transition: var(--transition); }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }
.related-card img { width: 100%; height: 140px; object-fit: cover; }
.related-card-body { padding: 16px 18px 18px; }
.related-card-body h4 { font-size: 15px; font-weight: 600; line-height: 1.5; color: var(--text); margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card:hover h4 { color: var(--primary); }
.related-card-body .date { font-size: 13px; color: var(--text-3); }

/* ===== 返回入口 ===== */
.back-entry { text-align: center; max-width: 960px; margin: 0 auto 40px; }

/* ===== 上一篇/下一篇 ===== */
.post-pager { max-width: 960px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pager-item { display: flex; flex-direction: column; gap: 6px; background: var(--surface); border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 18px 20px; transition: var(--transition); }
.pager-item:hover { border-color: var(--primary); box-shadow: var(--shadow-card); }
.pager-item.next { text-align: right; }
.pager-label { font-size: 13px; color: var(--text-3); }
.pager-txt { font-size: 14px; font-weight: 500; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pager-item:hover .pager-txt { color: var(--primary); }

/* ===== Footer ===== */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); padding: 64px 0 0; margin-top: 48px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-brand p { font-size: 14px; color: var(--text-2); line-height: 1.7; margin: 16px 0 20px; max-width: 280px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; background: var(--bg); display: flex; align-items: center; justify-content: center; color: var(--text-2); transition: var(--transition); }
.footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.footer-col h4 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: var(--text-2); }
.footer-col ul a:hover { color: var(--primary); }
.footer-col ul span { font-size: 14px; color: var(--text-2); }
.footer-bottom { border-top: 1px solid var(--border-light); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; color: var(--text-3); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 13px; color: var(--text-3); }
.footer-links a:hover { color: var(--primary); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .container { padding: 0 32px; }
    .search-form { width: 160px; }
    .related-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 767px) {
    .site-header { height: auto; padding: 12px 0; }
    .header-inner { flex-wrap: wrap; gap: 12px; }
    .logo { order: 1; }
    .nav-toggle { display: flex; order: 3; }
    .header-tools { order: 4; width: 100%; justify-content: space-between; }
    .search-form { width: 100%; flex: 1; }
    .main-nav { display: none; order: 5; width: 100%; flex-direction: column; align-items: stretch; background: var(--surface); border-top: 1px solid var(--border); padding: 12px 0; margin-top: 8px; border-radius: 12px; }
    .main-nav.open { display: flex; }
    .nav-link { padding: 14px 16px; font-size: 16px; border-radius: 8px; }
    .nav-link.active::after { display: none; }
    .nav-link.active { background: rgba(14,107,92,0.08); }
    .post-card { padding: 28px 20px; border-radius: 12px; }
    .post-header h1 { font-size: 26px; }
    .post-meta { gap: 12px; font-size: 13px; }
    .article-body { font-size: 15px; }
    .related-grid { grid-template-columns: 1fr; }
    .post-pager { grid-template-columns: 1fr; }
    .pager-item.next { text-align: left; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .breadcrumb .current { max-width: 180px; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
    .btn-sm { padding: 8px 14px; font-size: 13px; }
    .post-card { padding: 20px 16px; }
    .article-body h2 { font-size: 20px; }
    .article-body h3 { font-size: 18px; }
    .post-share { flex-wrap: wrap; }
}

/* roulang page: category2 */
:root {
  --primary: #0E6B5C;
  --primary-dark: #095548;
  --primary-light: #1A9E8C;
  --accent: #F0A01E;
  --accent-hover: #F5B23A;
  --accent-light: #FFF4E0;
  --bg: #F6F7F2;
  --bg-alt: #EDF1ED;
  --card: #FFFFFF;
  --text: #1E2D29;
  --text-secondary: #5C6B66;
  --text-muted: #9AA8A2;
  --border: #E4E9E5;
  --border-light: #ECEFED;
  --success: #2D9C6A;
  --warning: #D9822B;
  --error: #C0392B;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(23,53,45,0.04), 0 10px 24px rgba(23,53,45,0.05);
  --shadow-hover: 0 6px 16px rgba(23,53,45,0.08), 0 16px 32px rgba(23,53,45,0.08);
  --shadow-nav: 0 1px 0 #EAEEEA, 0 4px 12px rgba(23,53,45,0.04);
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,"Segoe UI",Roboto,sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-head { margin-bottom: 48px; }
.section-head h2 { font-size: 30px; font-weight: 700; line-height: 1.4; color: var(--text); margin-bottom: 12px; }
.section-head p { color: var(--text-secondary); font-size: 15px; max-width: 640px; }
.section-head.center { text-align: center; }
.section-head.center p { margin: 0 auto; }

/* ===== Header ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-nav);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 36px; height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700;
  flex-shrink: 0;
}
.logo-text { font-size: 17px; font-weight: 700; color: var(--text); white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 0 16px;
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
  height: 68px;
  display: flex; align-items: center;
  position: relative;
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 12px; right: 12px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
}
.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.search-form {
  display: flex; align-items: center;
  background: #F0F2EE;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 14px;
  height: 38px;
  width: 200px;
  transition: var(--transition);
}
.search-form:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(14,107,92,0.15);
}
.search-form .search-icon { color: var(--text-muted); flex-shrink: 0; display: flex; }
.search-form input {
  border: none; background: transparent; outline: none;
  font-size: 13px; color: var(--text);
  padding: 0 0 0 8px; flex: 1; min-width: 0;
}
.search-form input::placeholder { color: var(--text-muted); }
.btn-cta {
  background: var(--accent);
  color: #1A2E2A;
  font-size: 14px; font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  display: inline-block;
  white-space: nowrap;
  transition: var(--transition);
  border: none;
}
.btn-cta:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(240,160,30,0.3); }
.btn-cta:active { transform: translateY(0); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 40px; height: 40px; align-items: center; justify-content: center; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.mobile-menu { display: none; }

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 14px; font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  border: none;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(14,107,92,0.3); }
.btn-primary:active { transform: translateY(0); }
.btn-accent {
  display: inline-block;
  background: var(--accent);
  color: #1A2E2A;
  font-size: 14px; font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  border: none;
}
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(240,160,30,0.35); }
.btn-accent:active { transform: translateY(0); }
.btn-outline {
  display: inline-block;
  background: #fff;
  border: 1px solid #C9D2CD;
  color: var(--text);
  font-size: 14px; font-weight: 500;
  padding: 11px 26px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(14,107,92,0.1); }
.btn-ghost-light {
  display: inline-block;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
  font-size: 14px; font-weight: 500;
  padding: 11px 26px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.15); border-color: #fff; transform: translateY(-2px); }

/* ===== Banner ===== */
.page-banner {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 56px 0 48px;
}
.banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 48px;
}
.banner-left { flex-shrink: 0; }
.kicker {
  display: inline-block;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  background: rgba(14,107,92,0.08);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.page-banner h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}
.banner-desc {
  max-width: 500px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== 项目索引 ===== */
.project-index { background: var(--bg); }
.project-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 8px 4px 24px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
}
.project-scroll::-webkit-scrollbar { height: 6px; }
.project-scroll::-webkit-scrollbar-track { background: transparent; }
.project-scroll::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 6px; }
.project-card {
  flex: 0 0 calc(25% - 18px);
  min-width: 270px;
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  scroll-snap-align: start;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}
.project-media { position: relative; height: 150px; overflow: hidden; }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .project-media img { transform: scale(1.05); }
.project-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20,40,35,0.4) 0%, transparent 60%);
}
.tag-hot {
  position: absolute;
  top: 12px; right: 12px;
  background: var(--accent-light);
  color: #B47000;
  font-size: 12px; font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  z-index: 1;
}
.project-info { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.project-info h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.project-info p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; flex: 1; }
.project-link {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.project-link:hover { color: var(--primary-dark); }
.project-link .arrow { transition: transform 0.3s ease; }
.project-link:hover .arrow { transform: translateX(4px); }

/* ===== 精选项目 ===== */
.featured-projects { background: #fff; }
.featured-grid { display: grid; gap: 64px; }
.featured-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.featured-item .featured-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.featured-item .featured-media img { width: 100%; height: 340px; object-fit: cover; transition: transform 0.5s ease; }
.featured-item:hover .featured-media img { transform: scale(1.03); }
.featured-content .kicker { margin-bottom: 12px; }
.featured-content h3 { font-size: 26px; font-weight: 700; margin-bottom: 14px; line-height: 1.4; }
.featured-content > p { color: var(--text-secondary); font-size: 15px; line-height: 1.8; margin-bottom: 20px; }
.featured-content .feature-points { margin-bottom: 24px; }
.featured-content .feature-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 10px;
}
.featured-content .feature-points li::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== 平台特色 ===== */
.platform-features { background: var(--bg); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}
.feature-icon {
  width: 48px; height: 48px;
  background: var(--primary);
  color: #fff;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ===== 适用场景 ===== */
.scenarios { background: #fff; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scenario-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border-left: 4px solid var(--primary);
  transition: var(--transition);
}
.scenario-card:hover { background: var(--bg-alt); transform: translateY(-4px); }
.scenario-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.scenario-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); padding: 4px 0; }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 8px;
  cursor: pointer;
  transition: background 0.2s ease;
}
.faq-question:hover { background: rgba(14,107,92,0.03); }
.faq-icon {
  width: 28px; height: 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600;
  flex-shrink: 0;
}
.faq-question h3 { font-size: 16px; font-weight: 600; flex: 1; line-height: 1.5; }
.faq-toggle {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.faq-item.active .faq-toggle { transform: rotate(45deg); color: var(--primary); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 8px 24px 52px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== 帮助CTA ===== */
.help-cta { background: #fff; padding: 64px 0; }
.help-cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
}
.help-cta-text h2 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.help-cta-text p { font-size: 14px; color: var(--text-secondary); }
.help-cta-actions { display: flex; gap: 16px; flex-shrink: 0; }

/* ===== 主CTA ===== */
.cta-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
  padding: 72px 0;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(240,160,30,0.18);
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: 28px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.cta-section p { font-size: 15px; color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 32px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: #fff; border-top: 1px solid var(--border); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 56px 0 40px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; max-width: 320px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; }
.footer-col h4 { font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: var(--text-secondary); }
.footer-col ul a:hover { color: var(--primary); }
.footer-col ul li span { font-size: 14px; color: var(--text-secondary); display: inline-block; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 13px; color: var(--text-muted); }
.footer-legal a:hover { color: var(--primary); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .container { padding: 0 32px; }
  .main-nav { gap: 0; }
  .nav-link { padding: 0 12px; font-size: 14px; }
  .search-form { width: 160px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-item { grid-template-columns: 1fr; gap: 24px; }
  .featured-item.reverse .featured-content { order: 0; }
  .featured-item .featured-media img { height: 300px; }
  .page-banner h1 { font-size: 28px; }
  .banner-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .banner-desc { max-width: 100%; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 24px; }
  .header-actions .search-form { display: none; }
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu.open {
    display: flex;
    flex-direction: column;
    padding: 8px 24px 16px;
    background: #fff;
    border-top: 1px solid var(--border);
  }
  .mobile-menu .nav-link {
    height: auto;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 16px;
  }
  .mobile-menu .nav-link:last-child { border-bottom: none; }
  .mobile-menu .nav-link.active { color: var(--primary); font-weight: 600; }
  .mobile-menu .nav-link.active::after { display: none; }
  .project-card { flex: 0 0 80%; }
  .feature-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .help-cta-inner { flex-direction: column; padding: 32px 24px; text-align: center; }
  .help-cta-actions { width: 100%; flex-direction: column; }
  .help-cta-actions .btn-outline, .help-cta-actions .btn-primary { text-align: center; }
  .cta-section h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .page-banner { padding: 40px 0 32px; }
  .page-banner h1 { font-size: 26px; }
  .project-card { flex: 0 0 88%; min-width: 0; }
  .featured-item .featured-media img { height: 220px; }
  .faq-question { padding: 18px 4px; }
  .faq-question h3 { font-size: 15px; }
  .faq-answer p { padding: 0 4px 20px 44px; font-size: 14px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn-accent, .cta-buttons .btn-ghost-light { width: 100%; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; padding: 40px 0 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .btn-cta { padding: 10px 16px; font-size: 13px; }
}

/* roulang page: category3 */
:root {
            --primary: #0E6B5C;
            --primary-dark: #095548;
            --primary-light: #1A9E8C;
            --accent: #F0A01E;
            --accent-hover: #F5B23A;
            --bg: #F6F7F2;
            --surface: #FFFFFF;
            --text: #1E2D29;
            --text-secondary: #5C6B66;
            --text-muted: #9AA8A2;
            --border: #E4E9E5;
            --border-light: #ECEFED;
            --success: #2D9C6A;
            --warning: #D9822B;
            --error: #C0392B;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(23, 53, 45, 0.04), 0 10px 24px rgba(23, 53, 45, 0.05);
            --shadow-hover: 0 6px 16px rgba(23, 53, 45, 0.08), 0 16px 32px rgba(23, 53, 45, 0.08);
            --shadow-nav: 0 1px 0 #EAEEEA, 0 4px 12px rgba(23, 53, 45, 0.04);
            --header-h: 68px;
            --container: 1200px;
            --space-lg: 88px;
            --space-md: 48px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input {
            font-family: inherit;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: all .2s ease;
            text-align: center;
            color: var(--text);
        }

        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(14, 107, 92, 0.2);
        }

        .btn-cta {
            background: var(--accent);
            color: #1A2E2A;
        }

        .btn-cta:hover {
            background: var(--accent-hover);
            color: #1A2E2A;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(240, 160, 30, 0.3);
        }

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

        .btn-outline {
            background: var(--surface);
            border-color: #C9D2CD;
            color: var(--text);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .kicker {
            display: inline-block;
            background: rgba(14, 107, 92, 0.08);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            height: var(--header-h);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            height: var(--header-h);
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #ffffff;
            display: grid;
            place-items: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 8px;
        }

        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: color .2s ease, background .2s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(14, 107, 92, 0.06);
        }

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

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

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

        .search-box {
            display: flex;
            align-items: center;
            background: #F2F4F1;
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            padding: 0 14px;
            width: 200px;
            height: 38px;
            transition: border-color .2s ease, background .2s ease;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            background: var(--surface);
            box-shadow: 0 0 0 3px rgba(14, 107, 92, 0.12);
        }

        .search-box svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            margin-left: 8px;
            width: 100%;
            font-size: 13px;
            color: var(--text);
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 10px 8px;
            border-radius: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform .25s ease, opacity .25s 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);
        }

        .page-banner {
            background: linear-gradient(rgba(14, 107, 92, 0.85), rgba(14, 107, 92, 0.85)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            color: #ffffff;
            padding: 72px 0 64px;
            margin-bottom: 64px;
        }

        .guide-banner .banner-inner {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .banner-text {
            max-width: 680px;
        }

        .guide-banner .kicker {
            background: rgba(255, 255, 255, 0.15);
            color: #ffffff;
            margin-bottom: 16px;
        }

        .guide-banner h1 {
            font-size: 36px;
            line-height: 1.3;
            margin: 0 0 16px;
            font-weight: 700;
        }

        .banner-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.92);
            max-width: 560px;
            line-height: 1.7;
            margin: 0;
        }

        .guide-overview {
            padding-bottom: var(--space-md);
        }

        .overview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .overview-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px 24px;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

        .overview-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }

        .overview-item .ov-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(14, 107, 92, 0.1);
            color: var(--primary);
            display: grid;
            place-items: center;
            margin-bottom: 16px;
        }

        .overview-item .ov-icon svg {
            width: 22px;
            height: 22px;
        }

        .overview-item h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--text);
        }

        .overview-item p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
        }

        .guide-layout {
            display: grid;
            grid-template-columns: 280px minmax(0, 1fr);
            gap: 48px;
            padding-bottom: var(--space-lg);
        }

        .guide-toc {
            position: relative;
        }

        .toc-inner {
            position: sticky;
            top: calc(var(--header-h) + 32px);
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .toc-inner h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }

        .toc-inner ul {
            list-style: none;
        }

        .toc-inner li a {
            display: block;
            padding: 9px 12px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            border-left: 2px solid transparent;
            transition: background .2s ease, color .2s ease;
        }

        .toc-inner li a:hover {
            background: rgba(14, 107, 92, 0.06);
            color: var(--primary);
        }

        .toc-inner li a.active {
            background: rgba(14, 107, 92, 0.08);
            color: var(--primary);
            font-weight: 600;
            border-left-color: var(--primary);
        }

        .toc-card {
            margin-top: 20px;
            background: #F0F5F2;
            border-radius: var(--radius-md);
            padding: 16px;
            text-align: center;
        }

        .toc-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 12px;
        }

        .toc-card .btn {
            width: 100%;
            padding: 10px 16px;
            font-size: 13px;
        }

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

        .guide-section {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card);
            scroll-margin-top: calc(var(--header-h) + 30px);
        }

        .guide-section h2 {
            font-size: 24px;
            line-height: 1.4;
            font-weight: 700;
            margin: 0 0 20px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
        }

        .guide-section h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 24px 0 12px;
            color: var(--text);
        }

        .guide-section p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0 0 16px;
        }

        .guide-section p:last-child {
            margin-bottom: 0;
        }

        .step-list {
            counter-reset: step;
            list-style: none;
            margin: 20px 0 8px;
        }

        .step-list li {
            counter-increment: step;
            position: relative;
            padding: 12px 0 12px 52px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            border-bottom: 1px dashed var(--border);
        }

        .step-list li:last-child {
            border-bottom: none;
        }

        .step-list li::before {
            content: counter(step);
            position: absolute;
            left: 0;
            top: 11px;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(14, 107, 92, 0.1);
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            display: grid;
            place-items: center;
        }

        .check-list {
            list-style: none;
            margin: 16px 0 0;
        }

        .check-list li {
            position: relative;
            padding-left: 24px;
            padding-bottom: 10px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        .check-list li::before {
            content: "";
            position: absolute;
            left: 4px;
            top: 9px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
        }

        .note-box {
            background: #F0F5F2;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin: 20px 0;
        }

        .note-box p {
            color: var(--text);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .note-box ul {
            list-style: none;
            padding-left: 0;
        }

        .note-box ul li {
            position: relative;
            padding-left: 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .note-box ul li::before {
            content: "·";
            position: absolute;
            left: 6px;
            color: var(--primary);
            font-weight: 700;
        }

        .guide-table-wrap {
            overflow-x: auto;
            margin: 20px 0 8px;
        }

        .guide-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 540px;
        }

        .guide-table th {
            background: var(--primary);
            color: #ffffff;
            text-align: left;
            padding: 12px 16px;
            font-weight: 600;
            white-space: nowrap;
        }

        .guide-table th:first-child {
            border-radius: 10px 0 0 0;
        }

        .guide-table th:last-child {
            border-radius: 0 10px 0 0;
        }

        .guide-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            color: var(--text-secondary);
            vertical-align: top;
        }

        .guide-table tbody tr:nth-child(even) {
            background: #F8FAF8;
        }

        .guide-table tbody tr:hover {
            background: #F0F5F2;
        }

        .guide-figure {
            margin: 24px 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--border-light);
        }

        .guide-figure img {
            width: 100%;
            height: auto;
        }

        .guide-figure figcaption {
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
            padding: 12px 16px;
            line-height: 1.6;
        }

        .faq-section {
            background: var(--surface);
            padding: var(--space-lg) 0;
            border-top: 1px solid var(--border);
        }

        .section-head {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-head .kicker {
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 30px;
            line-height: 1.4;
            margin: 0;
            font-weight: 700;
        }

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

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-q {
            display: flex;
            align-items: center;
            gap: 16px;
            width: 100%;
            background: none;
            border: none;
            padding: 22px 8px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color .2s ease;
            border-radius: 8px;
        }

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

        .faq-q .num {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(14, 107, 92, 0.1);
            color: var(--primary);
            display: grid;
            place-items: center;
            font-size: 14px;
            font-weight: 700;
        }

        .faq-icon {
            margin-left: auto;
            position: relative;
            width: 24px;
            height: 24px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--primary);
            border-radius: 2px;
            transition: transform .25s ease;
        }

        .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 11px;
            left: 5px;
        }

        .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 5px;
            left: 11px;
        }

        .faq-item.open .faq-icon::after {
            transform: scaleY(0);
        }

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

        .faq-item.open .faq-a {
            max-height: 320px;
        }

        .faq-a p {
            padding: 0 8px 24px 56px;
            margin: 0;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .cta-section {
            background: var(--primary);
            color: #ffffff;
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.15);
            top: -80px;
            right: -60px;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 2px solid rgba(240, 160, 30, 0.35);
            bottom: -50px;
            left: 40px;
        }

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

        .cta-inner h2 {
            font-size: 26px;
            line-height: 1.4;
            margin: 0 0 12px;
            font-weight: 700;
        }

        .cta-inner>p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.9);
            margin: 0 auto 28px;
            max-width: 560px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 240px;
            height: 48px;
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            background: #ffffff;
            padding: 0 16px;
            font-size: 14px;
            outline: none;
            transition: box-shadow .2s ease;
        }

        .cta-form input:focus {
            box-shadow: 0 0 0 4px rgba(240, 160, 30, 0.3);
        }

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

        .cta-form .btn {
            height: 48px;
            padding-top: 0;
            padding-bottom: 0;
            border: none;
        }

        .cta-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 20px;
        }

        .site-footer {
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 60px 0 0;
        }

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

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0 0 20px;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: #F0F5F2;
            color: var(--text-secondary);
            display: grid;
            place-items: center;
            transition: background .2s ease, color .2s ease, transform .2s ease;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #ffffff;
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 16px;
        }

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color .2s ease, padding-left .2s ease;
        }

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

        .footer-col ul li span,
        .footer-col ul li {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        .footer-links {
            display: flex;
            gap: 20px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        @media (max-width: 1199px) {
            .container {
                padding: 0 32px;
            }

            .header-inner {
                gap: 16px;
            }

            .search-box {
                width: 170px;
            }

            .guide-banner h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 1023px) {
            .guide-banner {
                padding: 56px 0 48px;
                margin-bottom: 48px;
            }

            .guide-layout {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .guide-toc {
                display: none;
            }

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

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

            .section-head h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 767px) {
            .header-inner {
                gap: 10px;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                box-shadow: var(--shadow-hover);
                display: none;
                max-height: calc(100vh - var(--header-h));
                overflow-y: auto;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                padding: 14px 12px;
                font-size: 16px;
            }

            .nav-link.active {
                background: rgba(14, 107, 92, 0.06);
                border-radius: 8px;
            }

            .nav-link.active::after {
                display: none;
            }

            .header-actions {
                gap: 8px;
            }

            .search-box {
                display: none;
            }

            .header-actions .btn-cta {
                padding: 0 16px;
                height: 38px;
                font-size: 13px;
            }

            .footer-brand .logo-text {
                font-size: 15px;
            }

            .guide-banner h1 {
                font-size: 30px;
            }

            .guide-overview {
                padding-bottom: 32px;
            }

            .overview-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .overview-item {
                padding: 22px 20px;
            }

            .guide-section {
                padding: 28px 20px;
                margin-bottom: 24px;
            }

            .guide-section h2 {
                font-size: 20px;
            }

            .faq-section {
                padding: 56px 0;
            }

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

            .faq-q {
                padding: 18px 6px;
                font-size: 15px;
                gap: 12px;
            }

            .faq-a p {
                padding-left: 50px;
                padding-bottom: 20px;
                font-size: 14px;
            }

            .cta-section {
                padding: 56px 0;
            }

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

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

            .cta-form input {
                width: 100%;
                min-width: 0;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px 20px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

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

            .footer-brand {
                grid-column: auto;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .guide-banner h1 {
                font-size: 28px;
            }

            .guide-table-wrap {
                margin-top: 16px;
            }

            .cta-form input {
                height: 44px;
                font-size: 13px;
            }
        }

        @media (hover: hover) {
            .overview-item:hover .ov-icon {
                background: var(--primary);
                color: #ffffff;
            }
        }