/* roulang page: index */
:root {
  --color-pine: #1E665A;
  --color-pine-dark: #145047;
  --color-gold: #B78C5A;
  --color-paper: #F7F5F2;
  --color-surface: #F1EDE7;
  --color-ink: #1B2B2D;
  --color-ink-soft: #8A9490;
  --color-line: #DDE3E0;
  --radius-card: 12px;
  --radius-image: 16px;
  --radius-btn: 8px;
  --shadow-default: 0 1px 3px rgba(27, 43, 45, 0.06);
  --shadow-hover: 0 12px 32px rgba(27, 43, 45, 0.10);
  --transition: 200ms cubic-bezier(0.22, 1, 0.36, 1);
  --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-paper);
  color: var(--color-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button,
input,
textarea {
  font-family: inherit;
  outline: none;
}

.site-container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 64px;
  padding-right: 64px;
}

@media (max-width: 1024px) {
  .site-container {
    padding-left: 40px;
    padding-right: 40px;
  }
}

@media (max-width: 640px) {
  .site-container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

.section {
  padding-top: 96px;
  padding-bottom: 96px;
}

.section-surface {
  background: var(--color-surface);
}

@media (max-width: 640px) {
  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 245, 242, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(221, 227, 224, 0.7);
  height: 64px;
  transition: height 0.2s ease, box-shadow 0.2s ease;
}

.site-header.scrolled {
  height: 56px;
  box-shadow: 0 6px 24px rgba(27, 43, 45, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-pine);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.logo-dot {
  color: var(--color-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: 48px;
}

.nav-links a {
  font-size: 14px;
  color: var(--color-ink);
  padding: 6px 0;
  position: relative;
  transition: color 0.2s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--color-pine);
  transition: width 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-pine);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-search {
  width: 200px;
  border: 0;
  background: transparent;
  border-bottom: 1px solid var(--color-line);
  padding: 6px 0;
  font-size: 14px;
  color: var(--color-ink);
  transition: border-color 0.2s;
}

.nav-search:focus {
  border-bottom-color: var(--color-pine);
}

.nav-search::placeholder {
  color: #A9B0AC;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 18px;
  background: var(--color-pine);
  color: #fff;
  font-size: 14px;
  border-radius: 8px;
  transition: all 0.2s var(--transition);
}

.nav-cta:hover {
  background: var(--color-pine-dark);
  transform: translateY(-1px);
}

.nav-cta:active {
  transform: translateY(1px);
}

.nav-burger {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: background 0.2s;
}

.nav-burger:hover {
  background: rgba(30, 102, 90, 0.06);
}

.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--color-paper);
  box-shadow: 0 12px 32px rgba(27, 43, 45, 0.08);
  padding: 24px;
  display: none;
  z-index: 49;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 16px;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-line);
  transition: color 0.2s;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--color-pine);
  font-weight: 500;
}

/* Hero */
.hero {
  min-height: 80vh;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 0;
  padding-top: 64px;
  padding-bottom: 64px;
  position: relative;
}

.hero-left {
  padding-right: 48px;
  position: relative;
  z-index: 1;
}

.hero-right {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  height: 520px;
  min-height: calc(80vh - 160px);
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 80, 71, 0.2);
}

.hero-float-card {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: #fff;
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--color-line);
  min-width: 180px;
}

.float-title {
  font-size: 13px;
  color: var(--color-ink-soft);
  margin-bottom: 4px;
}

.float-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
}

.float-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-pine);
  box-shadow: 0 0 0 4px rgba(30, 102, 90, 0.12);
}

.float-meta {
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-ink-soft);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(30, 102, 90, 0.08);
  color: var(--color-pine);
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-title);
  font-size: 44px;
  line-height: 1.25;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 18px;
  color: rgba(27, 43, 45, 0.72);
  max-width: 440px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.fade-item {
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
}

.fade-item:nth-child(2) {
  animation-delay: 0.08s;
}

.fade-item:nth-child(3) {
  animation-delay: 0.16s;
}

.fade-item:nth-child(4) {
  animation-delay: 0.24s;
}

.fade-item:nth-child(5) {
  animation-delay: 0.32s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-pine-dark);
  transform: translateY(-1px);
}

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

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

.btn-outline:hover {
  border-color: var(--color-pine);
  color: var(--color-pine);
  transform: translateY(-1px);
}

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

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(30, 102, 90, 0.07);
  color: var(--color-pine);
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
}

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

.section-head .section-kicker {
  display: inline-block;
  font-size: 13px;
  color: var(--color-gold);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  font-weight: 600;
}

.section-head h2 {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  line-height: 1.3;
  margin-bottom: 0;
}

.section-head p {
  margin-top: 12px;
  font-size: 16px;
  color: var(--color-ink-soft);
  max-width: 560px;
  line-height: 1.7;
}

.section-head.center {
  text-align: center;
}

.section-head.center p {
  margin-left: auto;
  margin-right: auto;
}

/* Service */
.service-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.service-item {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all 0.2s var(--transition);
}

.service-item:hover {
  background: #fff;
  border-color: var(--color-pine);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.service-num {
  font-family: var(--font-title);
  font-size: 32px;
  line-height: 1;
  color: var(--color-gold);
  min-width: 48px;
  font-weight: 700;
}

.service-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.service-item p {
  font-size: 14px;
  color: var(--color-ink-soft);
  line-height: 1.7;
  margin-bottom: 12px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-pine);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.text-link:hover {
  color: var(--color-pine-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  padding: 32px 24px;
  border-left: 1px solid var(--color-line);
}

.stat-item:first-child {
  border-left: 0;
  padding-left: 0;
}

.stat-num {
  font-family: var(--font-title);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.stat-label {
  margin-top: 10px;
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* Cases */
.case-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.2s var(--transition);
}

.case-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--color-pine);
}

.case-img-wrap {
  overflow: hidden;
  position: relative;
  min-height: 280px;
}

.case-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--transition);
}

.case-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(20, 80, 71, 0.02);
  transition: background 0.3s ease;
}

.case-card:hover .case-img-wrap img {
  transform: scale(1.02);
}

.case-card:hover .case-img-wrap::after {
  background: rgba(20, 80, 71, 0.07);
}

.case-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 12px;
  font-family: var(--font-title);
}

.case-body p {
  font-size: 14px;
  color: var(--color-ink-soft);
  line-height: 1.8;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.step-item {
  position: relative;
  padding-top: 28px;
}

.step-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--color-gold);
}

.step-num {
  font-family: var(--font-title);
  font-size: 14px;
  color: var(--color-gold);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  font-weight: 600;
}

.step-name {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-ink);
}

.step-desc {
  font-size: 14px;
  color: var(--color-ink-soft);
  line-height: 1.7;
}

/* News */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.news-item {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.2s var(--transition);
}

.news-item:hover {
  border-color: var(--color-pine);
  background: #fff;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--color-ink-soft);
  margin-bottom: 12px;
}

.news-cat {
  display: inline-flex;
  padding: 2px 10px;
  background: rgba(30, 102, 90, 0.08);
  color: var(--color-pine);
  border-radius: 999px;
  font-size: 12px;
}

.news-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
  transition: color 0.2s;
}

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

.news-excerpt {
  font-size: 14px;
  color: var(--color-ink-soft);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-link {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-pine);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  transition: color 0.2s;
}

.news-link:hover {
  color: var(--color-pine-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.news-empty {
  border: 1px dashed var(--color-line);
  border-radius: 12px;
  padding: 56px 24px;
  text-align: center;
  color: var(--color-ink-soft);
  font-size: 14px;
  background: transparent;
}

/* FAQ */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

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

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

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  height: 56px;
  width: 100%;
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  text-align: left;
  transition: color 0.2s;
}

.faq-q:hover,
.faq-q.active {
  color: var(--color-pine);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  font-size: 20px;
  line-height: 1;
  color: var(--color-pine);
  font-weight: 300;
  text-align: center;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease;
}

.faq-a-inner {
  padding-bottom: 20px;
  font-size: 15px;
  color: var(--color-ink-soft);
  line-height: 1.8;
  padding-right: 40px;
}

/* CTA / Contact */
.cta-wrap {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  padding: 48px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
  box-shadow: var(--shadow-default);
}

.cta-wrap h2 {
  font-family: var(--font-title);
  font-size: 28px;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.3;
  margin: 12px 0 16px;
}

.cta-wrap p {
  font-size: 15px;
  color: var(--color-ink-soft);
  line-height: 1.8;
}

.contact-form {
  display: grid;
  gap: 20px;
}

.form-input {
  width: 100%;
  border: 0;
  background: transparent;
  border-bottom: 1px solid var(--color-line);
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-ink);
  transition: border-color 0.2s;
  border-radius: 0;
}

.form-input:focus {
  border-bottom-color: var(--color-pine);
  border-bottom-width: 2px;
}

.form-input::placeholder {
  color: #A9B0AC;
  font-size: 14px;
}

textarea.form-input {
  resize: vertical;
  min-height: 60px;
}

.form-note {
  font-size: 13px;
  color: var(--color-ink-soft);
  margin-top: -8px;
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.8);
  padding: 64px 0 32px;
}

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

.footer-logo {
  font-family: var(--font-title);
  font-size: 20px;
  color: #fff;
  margin-bottom: 12px;
  font-weight: 600;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 340px;
}

.footer-col-title {
  font-size: 14px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-links li {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-bottom {
  margin-top: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

/* Motion accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .site-container {
    padding-left: 40px;
    padding-right: 40px;
  }

  .nav-links {
    display: none;
  }

  .nav-search {
    display: none;
  }

  .nav-burger {
    display: flex;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 80px;
    padding-bottom: 48px;
  }

  .hero-right {
    position: absolute;
    inset: 0;
    height: 100%;
    border-radius: 0;
    z-index: 0;
    opacity: 0.25;
  }

  .hero-left {
    padding: 24px;
    background: rgba(247, 245, 242, 0.82);
    border-radius: 12px;
  }

  .hero-title {
    font-size: 38px;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .service-row {
    grid-template-columns: 1fr;
  }

  .case-card {
    grid-template-columns: 1fr;
  }

  .case-img-wrap {
    min-height: 240px;
  }

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

  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    border-left: 0;
    padding-left: 0;
    border-top: 0;
  }

  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-left: 0;
    padding-left: 0;
    border-top: 1px solid var(--color-line);
  }

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

  .cta-wrap {
    grid-template-columns: 1fr;
    padding: 32px;
  }

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

@media (max-width: 640px) {
  .site-container {
    padding-left: 24px;
    padding-right: 24px;
  }

  .hero {
    padding-top: 72px;
  }

  .hero-title {
    font-size: 30px;
  }

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

  .hero-float-card {
    display: none;
  }

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

  .section-head p {
    font-size: 15px;
  }

  .service-item {
    padding: 20px;
  }

  .service-num {
    font-size: 26px;
    min-width: 36px;
  }

  .stat-num {
    font-size: 36px;
  }

  .stat-item {
    padding: 20px 12px;
  }

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

  .case-body {
    padding: 24px;
  }

  .case-body h3 {
    font-size: 18px;
  }

  .faq-q {
    font-size: 15px;
    height: 52px;
  }

  .faq-a-inner {
    padding-right: 0;
    font-size: 14px;
  }

  .cta-wrap {
    padding: 24px;
    gap: 32px;
  }

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

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

  .footer-bottom {
    text-align: center;
  }
}

/* roulang page: article */
:root {
            --pine: #1E665A;
            --pineDark: #145047;
            --brass: #B78C5A;
            --paper: #F7F5F2;
            --surface: #F1EDE7;
            --ink: #1B2B2D;
            --inkLight: #8A9490;
            --line: #DDE3E0;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-btn: 8px;
            --shadow-sm: 0 1px 3px rgba(27, 43, 45, 0.06);
            --shadow-hover: 0 12px 32px rgba(27, 43, 45, 0.10);
            --transition: 200ms cubic-bezier(0.22, 1, 0.36, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition), opacity var(--transition), transform var(--transition);
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
            transition: all var(--transition);
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: none;
            background: transparent;
            transition: border-color var(--transition);
        }

        input:focus,
        textarea:focus {
            outline: none;
        }

        ::selection {
            background: rgba(30, 102, 90, 0.15);
            color: var(--pineDark);
        }

        .site-container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(247, 245, 242, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            height: 64px;
            transition: height var(--transition);
        }

        .site-header.scrolled {
            height: 56px;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            position: relative;
        }

        .nav-inner .flex.items-center {
            display: flex;
            align-items: center;
            gap: 0px;
        }

        .logo {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.01em;
            white-space: nowrap;
            margin-right: 32px;
            display: flex;
            align-items: center;
        }

        .logo-dot {
            color: var(--brass);
            margin: 0 2px;
        }

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

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            color: var(--ink);
            position: relative;
            border-radius: 6px;
            font-weight: 400;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0px;
            height: 2px;
            background: var(--pine);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
            border-radius: 2px;
        }

        .nav-links a:hover {
            color: var(--pine);
        }

        .nav-links a:hover::after {
            transform: scaleX(1);
        }

        .nav-links a.active {
            color: var(--pine);
            font-weight: 500;
        }

        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-search {
            width: 200px;
            border-bottom: 1px solid var(--line);
            padding: 6px 0;
            font-size: 14px;
            color: var(--ink);
            transition: border-color var(--transition);
        }

        .nav-search::placeholder {
            color: var(--inkLight);
        }

        .nav-search:focus {
            border-bottom-color: var(--pine);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--pine);
            color: #fff;
            height: 38px;
            padding: 0 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .nav-cta:hover {
            background: var(--pineDark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(30, 102, 90, 0.18);
        }

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

        .nav-burger {
            display: none;
            color: var(--ink);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
        }

        .nav-burger:hover {
            background: rgba(30, 102, 90, 0.06);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--paper);
            border-bottom: 1px solid var(--line);
            padding: 16px 24px 24px;
            z-index: 99;
            box-shadow: 0 16px 32px rgba(27, 43, 45, 0.08);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            color: var(--ink);
            border-bottom: 1px solid rgba(221, 227, 224, 0.6);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a.active {
            color: var(--pine);
            font-weight: 600;
        }

        /* Article Layout */
        .article-body {
            padding: 48px 0 64px;
        }

        .breadcrumb-wrap {
            max-width: 720px;
            margin: 0 auto 24px;
            padding: 0 24px;
        }

        .breadcrumb-wrap .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--inkLight);
            gap: 4px;
        }

        .breadcrumb-wrap .breadcrumb a {
            color: var(--inkLight);
        }

        .breadcrumb-wrap .breadcrumb a:hover {
            color: var(--pine);
        }

        .breadcrumb-wrap .breadcrumb .sep {
            margin: 0 4px;
            color: #B9C2BE;
        }

        .article-header {
            max-width: 720px;
            margin: 0 auto 32px;
            padding: 0 24px;
        }

        .article-header h1 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
            font-size: 36px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: var(--inkLight);
        }

        .article-meta .dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: #C0C8C4;
        }

        .article-meta .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--pine);
            background: rgba(30, 102, 90, 0.08);
            border-radius: 999px;
            padding: 4px 12px;
        }

        .article-content {
            max-width: 720px;
            margin: 0 auto 48px;
            padding: 0 24px;
        }

        .article-content .content-inner {
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
        }

        .article-content .content-inner p {
            margin-bottom: 24px;
        }

        .article-content .content-inner h2 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin: 40px 0 16px;
            letter-spacing: -0.01em;
            line-height: 1.4;
        }

        .article-content .content-inner h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--ink);
            margin: 32px 0 12px;
            line-height: 1.5;
        }

        .article-content .content-inner img {
            border-radius: var(--radius-lg);
            margin: 28px 0;
        }

        .article-content .content-inner blockquote {
            border-left: 3px solid var(--pine);
            background: rgba(30, 102, 90, 0.04);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            color: #4A5855;
            font-size: 15px;
        }

        .article-content .content-inner a {
            color: var(--pine);
            border-bottom: 1px solid rgba(30, 102, 90, 0.3);
        }

        .article-content .content-inner a:hover {
            border-bottom-color: var(--pine);
        }

        .article-content .content-inner ul,
        .article-content .content-inner ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }

        .article-content .content-inner li {
            margin-bottom: 8px;
        }

        .article-notfound {
            max-width: 720px;
            margin: 0 auto;
            padding: 80px 24px;
            text-align: center;
        }

        .article-notfound .nf-icon {
            font-size: 48px;
            color: #C5CEC9;
            margin-bottom: 20px;
        }

        .article-notfound h2 {
            font-size: 24px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 12px;
        }

        .article-notfound p {
            color: var(--inkLight);
            margin-bottom: 24px;
        }

        .article-notfound .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--pine);
            color: #fff;
            height: 44px;
            padding: 0 22px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
        }

        .article-notfound .btn-back:hover {
            background: var(--pineDark);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(30, 102, 90, 0.16);
        }

        /* Related */
        .related-section {
            border-top: 1px solid var(--line);
            background: var(--surface);
            padding: 64px 0;
        }

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

        .related-section .section-head h2 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .related-section .section-head p {
            color: var(--inkLight);
            font-size: 15px;
        }

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

        .related-card {
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 24px;
            transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
            display: block;
        }

        .related-card:hover {
            border-color: var(--pine);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .related-card .rc-date {
            font-size: 13px;
            color: var(--inkLight);
            margin-bottom: 10px;
            display: block;
        }

        .related-card .rc-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--ink);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card:hover .rc-title {
            color: var(--pine);
        }

        /* FAQ */
        .faq-section {
            padding: 96px 0;
            background: var(--paper);
        }

        .faq-section .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .faq-section .section-head h2 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
            font-size: 32px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
        }

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

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            border-top: 1px solid var(--line);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            text-align: left;
            gap: 16px;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--pine);
        }

        .faq-question.open {
            color: var(--pine);
        }

        .faq-icon {
            font-size: 20px;
            color: var(--pine);
            flex-shrink: 0;
            width: 24px;
            text-align: center;
            line-height: 1;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 200ms cubic-bezier(0.22, 1, 0.36, 1), padding 200ms ease;
            padding: 0;
            font-size: 15px;
            color: var(--inkLight);
            line-height: 1.8;
        }

        .faq-answer.open {
            max-height: 320px;
            padding: 0 32px 20px 0;
        }

        /* CTA */
        .cta-section {
            padding: 64px 32px;
            background: var(--ink);
            position: relative;
            overflow: hidden;
        }

        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .cta-container {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            padding: 24px 0;
        }

        .cta-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-left h2 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-left p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brass);
            color: #1B2B2D;
            height: 46px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .cta-btn:hover {
            background: #C99B6B;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(183, 140, 90, 0.25);
        }

        /* Footer */
        .site-footer {
            background: #1B2B2D;
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 32px;
        }

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

        .footer-logo {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .site-container {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .nav-burger {
                display: inline-flex;
            }

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

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

            .cta-flex {
                flex-direction: column;
                justify-content: flex-start;
                text-align: left;
                gap: 24px;
            }

            .faq-section {
                padding: 64px 0;
            }
        }

        @media (max-width: 520px) {
            .site-container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .logo {
                font-size: 15px;
                margin-right: 16px;
            }

            .nav-cta {
                height: 34px;
                padding: 0 14px;
                font-size: 13px;
            }

            .article-header h1 {
                font-size: 26px;
                line-height: 1.4;
            }

            .article-meta {
                font-size: 13px;
                gap: 8px;
            }

            .breadcrumb-wrap {
                margin-bottom: 16px;
            }

            .article-body {
                padding: 32px 0 48px;
            }

            .related-section {
                padding: 48px 0;
            }

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

            .faq-question {
                font-size: 15px;
                padding: 16px 0;
            }

            .faq-answer.open {
                padding-right: 0;
            }

            .cta-section {
                padding: 48px 20px;
            }

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

            .footer-grid {
                margin-bottom: 32px;
                gap: 24px;
            }

            .article-content {
                padding: 0 20px;
            }

            .article-header {
                padding: 0 20px;
            }

            .breadcrumb-wrap {
                padding: 0 20px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category1 */
:root {
    --primary: #1E665A;
    --primary-dark: #145047;
    --accent: #B78C5A;
    --bg: #F7F5F2;
    --surface: #F1EDE7;
    --text: #1B2B2D;
    --text-secondary: #8A9490;
    --border: #DDE3E0;
    --white: #ffffff;
    --radius-card: 12px;
    --radius-image: 16px;
    --radius-btn: 8px;
    --shadow: 0 1px 3px rgba(27,43,45,0.06);
    --shadow-hover: 0 12px 32px rgba(27,43,45,0.10);
    --transition: 200ms cubic-bezier(0.22, 1, 0.36, 1);
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
    --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  a { color: var(--text); transition: color var(--transition); }
  a:hover { color: var(--primary); }
  img { max-width: 100%; display: block; }

  .site-container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 64px;
    padding-right: 64px;
  }

  @media (max-width: 1024px) {
    .site-container { padding-left: 40px; padding-right: 40px; }
  }

  @media (max-width: 640px) {
    .site-container { padding-left: 24px; padding-right: 24px; }
  }

  /* ===== Header / Nav ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(247,245,242,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: 64px;
    transition: height var(--transition);
  }

  .site-header.scrolled { height: 56px; }

  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 24px;
  }

  .logo {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.01em;
    white-space: nowrap;
  }

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

  .nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-left: 48px;
  }

  .nav-links a {
    position: relative;
    color: var(--text);
    text-decoration: none;
    font-size: 15px;
    padding: 8px 0;
    transition: color var(--transition);
  }

  .nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition);
  }

  .nav-links a:hover::after,
  .nav-links a.active::after { width: 100%; }

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

  .nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .nav-search {
    width: 200px;
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 6px 0;
    background: transparent;
    font-size: 14px;
    color: var(--text);
    transition: border-color var(--transition);
  }

  .nav-search:focus {
    outline: none;
    border-bottom-color: var(--primary);
  }

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

  .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    padding: 0 18px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-btn);
    font-size: 14px;
    font-weight: 500;
    transition: background var(--transition), transform var(--transition);
  }

  .nav-cta:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
  }

  .nav-cta:active { transform: translateY(1px); }

  .nav-burger {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 4px;
  }

  .mobile-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px 24px;
    box-shadow: 0 12px 24px rgba(27,43,45,0.06);
  }

  .mobile-nav.open { display: block; }

  .mobile-nav a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px solid #ebe6df;
  }

  .mobile-nav a:last-of-type { border-bottom: none; }
  .mobile-nav a.active { color: var(--primary); font-weight: 600; }
  .mobile-nav .mobile-cta {
    display: inline-block;
    margin-top: 16px;
    border: none;
  }

  @media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-search { display: none; }
    .nav-burger { display: block; }
    .nav-cta { display: inline-flex; }
  }

  @media (max-width: 480px) {
    .logo { font-size: 17px; }
    .nav-cta { padding: 0 14px; font-size: 13px; }
  }

  /* ===== Buttons ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 24px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  }

  .btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(27,43,45,0.16);
  }

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

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 24px;
    background: transparent;
    color: var(--text);
    text-decoration: none;
    border: 1px solid rgba(27,43,45,0.35);
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition), transform var(--transition);
  }

  .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
  }

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

  /* ===== Hero ===== */
  .page-hero {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    padding: 96px 0;
    color: #fff;
  }

  .page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(20, 80, 71, 0.74);
  }

  .page-hero-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    animation: fade-up 600ms cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  @keyframes fade-up {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .page-hero .hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: 0.04em;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.68);
  }

  .hero-breadcrumb a {
    color: rgba(255,255,255,0.68);
    text-decoration: none;
    transition: color var(--transition);
  }

  .hero-breadcrumb a:hover { color: #fff; }

  .hero-breadcrumb .sep { color: rgba(255,255,255,0.4); }

  .page-hero h1 {
    font-family: var(--font-serif);
    font-size: 46px;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }

  .page-hero .hero-sub {
    font-size: 18px;
    color: rgba(255,255,255,0.86);
    max-width: 640px;
    line-height: 1.7;
    margin-bottom: 32px;
  }

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

  .hero-actions a {
    height: 44px;
  }

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

  .hero-actions .btn-outline:hover {
    border-color: #fff;
    color: #fff;
    background: rgba(255,255,255,0.08);
  }

  @media (max-width: 768px) {
    .page-hero { min-height: 400px; padding: 64px 0; }
    .page-hero h1 { font-size: 30px; }
    .page-hero .hero-sub { font-size: 16px; }
  }

  /* ===== Section general ===== */
  .section {
    padding: 96px 0;
  }

  .section-sub {
    padding: 64px 0;
  }

  .section-head {
    max-width: 720px;
    margin-bottom: 48px;
  }

  .section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(30, 102, 90, 0.10);
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    border-radius: 999px;
    letter-spacing: 0.04em;
    margin-bottom: 14px;
  }

  .section-title {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
    letter-spacing: -0.015em;
    margin-bottom: 12px;
  }

  .section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
  }

  @media (max-width: 768px) {
    .section { padding: 64px 0; }
    .section-title { font-size: 24px; }
  }

  /* ===== Feature cards ===== */
  .feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 32px 28px;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  }

  .feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .feature-num {
    font-family: var(--font-serif);
    font-size: 15px;
    color: var(--accent);
    letter-spacing: 0.12em;
    display: block;
    margin-bottom: 16px;
  }

  .feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
  }

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

  .feature-link {
    font-size: 14px;
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition);
  }

  .feature-link:hover { border-bottom-color: var(--primary); }

  /* ===== Scene ===== */
  .scene-media {
    position: relative;
    border-radius: var(--radius-image);
    overflow: hidden;
    box-shadow: var(--shadow);
  }

  .scene-media img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .scene-media:hover img { transform: scale(1.02); }

  .scene-media::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 102, 90, 0.08);
    pointer-events: none;
  }

  .scene-list {
    list-style: none;
    margin-top: 8px;
  }

  .scene-list li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 18px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
  }

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

  .scene-list .scene-flag {
    font-family: var(--font-serif);
    color: var(--accent);
    font-size: 14px;
    letter-spacing: 0.08em;
    min-width: 44px;
    flex-shrink: 0;
    line-height: 1.8;
  }

  @media (max-width: 1024px) {
    .scene-media img { height: 320px; }
  }

  /* ===== Steps ===== */
  .steps-section {
    background: #1B2B2D;
    color: #fff;
    padding: 96px 0;
  }

  .steps-section .section-title { color: #fff; }
  .steps-section .section-desc { color: rgba(255,255,255,0.65); }
  .steps-section .section-tag { background: rgba(183, 140, 90, 0.18); color: #D9BF9D; }

  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 52px;
  }

  .step-item {
    position: relative;
    padding: 0 28px;
  }

  .step-item:first-child { padding-left: 0; }
  .step-item:last-child { padding-right: 0; }

  .step-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 26px;
    right: -8px;
    width: 16px;
    height: 1px;
    background: rgba(183, 140, 90, 0.45);
  }

  .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(183, 140, 90, 0.75);
    color: #D9BF9D;
    font-family: var(--font-serif);
    font-size: 16px;
    border-radius: 50%;
    margin-bottom: 20px;
  }

  .step-title {
    font-size: 17px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
  }

  .step-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.62);
    line-height: 1.7;
  }

  @media (max-width: 1024px) {
    .steps-section { padding: 64px 0; }
    .steps-grid { grid-template-columns: 1fr; gap: 0; margin-top: 36px; }
    .step-item { padding: 0; padding-bottom: 28px; margin-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,0.1); }
    .step-item:last-child { padding-bottom: 0; margin-bottom: 0; border-bottom: none; }
    .step-item:not(:last-child)::after { display: none; }
  }

  /* ===== Entry list ===== */
  .entry-list {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--border);
  }

  .entry-row {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 28px 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    transition: padding-left var(--transition), background var(--transition);
  }

  .entry-row:hover {
    padding-left: 12px;
    background: rgba(241, 237, 231, 0.4);
  }

  .entry-index {
    font-family: var(--font-serif);
    font-size: 15px;
    color: var(--accent);
    letter-spacing: 0.12em;
    min-width: 44px;
    flex-shrink: 0;
  }

  .entry-main {
    flex: 1;
    min-width: 0;
  }

  .entry-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
    margin-bottom: 6px;
    transition: color var(--transition);
  }

  .entry-row:hover .entry-title { color: var(--primary); }

  .entry-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .entry-link {
    font-size: 14px;
    color: var(--primary);
    white-space: nowrap;
    flex-shrink: 0;
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity var(--transition), transform var(--transition);
  }

  .entry-row:hover .entry-link {
    opacity: 1;
    transform: translateX(0);
  }

  @media (max-width: 768px) {
    .entry-row { gap: 16px; padding: 22px 0; }
    .entry-link { opacity: 1; transform: none; font-size: 13px; }
  }

  @media (max-width: 520px) {
    .entry-row { flex-wrap: wrap; gap: 8px 16px; }
    .entry-index { min-width: auto; }
    .entry-main { flex-basis: calc(100% - 60px); }
    .entry-link { margin-left: 60px; }
  }

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

  .faq-wrap {
    max-width: 820px;
    margin: 0 auto;
  }

  .faq-list {
    border-top: 1px solid var(--border);
  }

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

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 22px 0;
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: color var(--transition);
  }

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

  .faq-item.active .faq-question { color: var(--primary); }

  .faq-icon {
    color: var(--primary);
    font-size: 20px;
    font-weight: 400;
    line-height: 1;
    transition: transform var(--transition);
    flex-shrink: 0;
    margin-left: 20px;
  }

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

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 200ms cubic-bezier(0.22, 1, 0.36, 1);
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    padding-right: 48px;
  }

  .faq-item.active .faq-answer {
    max-height: 400px;
    padding-bottom: 24px;
  }

  @media (max-width: 640px) {
    .faq-question { font-size: 15px; padding: 18px 0; }
    .faq-answer { padding-right: 20px; }
  }

  /* ===== CTA / Contact ===== */
  .cta-section {
    background: var(--surface);
    padding: 96px 0;
  }

  .cta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }

  .cta-title {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 16px;
  }

  .cta-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 460px;
  }

  .cta-list {
    list-style: none;
    margin-bottom: 32px;
  }

  .cta-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text);
    padding: 8px 0;
  }

  .cta-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
  }

  .contact-form {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 32px;
    box-shadow: var(--shadow);
  }

  .contact-form .form-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
  }

  .form-group {
    position: relative;
    margin-bottom: 28px;
  }

  .form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
    margin-bottom: 8px;
  }

  .form-group input,
  .form-group textarea {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--border);
    background: transparent;
    padding: 8px 0;
    font-size: 15px;
    font-family: var(--font-sans);
    color: var(--text);
    transition: border-color var(--transition);
    resize: vertical;
  }

  .form-group input:focus,
  .form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--primary);
    border-bottom-width: 2px;
  }

  .form-group input::placeholder,
  .form-group textarea::placeholder {
    color: #B6BFBB;
    font-size: 14px;
  }

  .contact-form .btn-primary { width: 100%; margin-top: 8px; }

  @media (max-width: 1024px) {
    .cta-section { padding: 64px 0; }
    .cta-grid { grid-template-columns: 1fr; gap: 48px; }
    .cta-desc { max-width: 100%; }
  }

  @media (max-width: 640px) {
    .contact-form { padding: 24px; }
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #1B2B2D;
    color: rgba(255,255,255,0.8);
    padding: 72px 0 28px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .footer-logo {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
  }

  .footer-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
    max-width: 360px;
  }

  .footer-col-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
  }

  .footer-links {
    list-style: none;
  }

  .footer-links li {
    margin-bottom: 12px;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
  }

  .footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition);
  }

  .footer-links a:hover { color: #fff; }

  .footer-bottom {
    padding-top: 24px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }

  @media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 36px; }
  }

  @media (max-width: 480px) {
    .site-footer { padding: 56px 0 24px; }
    .footer-bottom { flex-direction: column; }
  }

  /* ===== Focus accessibility ===== */
  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }

  /* ===== Reduced motion ===== */
  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }