/* roulang page: index */
:root {
  --ink: #1A1815;
  --ink-soft: #262220;
  --gold: #B89E74;
  --gold-hover: #917A55;
  --bg-warm: #F6F3EE;
  --bg-alt: #EFEBE3;
  --line: #DFD8CC;
  --line-soft: #E5DED2;
  --white: #FFFFFF;
  --text-main: #262220;
  --text-weak: #6B6459;
  --shadow: 0 2px 8px rgba(26,24,21,0.08);
  --shadow-hover: 0 8px 30px rgba(26,24,21,0.12);
  --radius: 6px;
  --radius-btn: 4px;
  --transition: 0.25s ease;
  --font-head: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: -apple-system, BlinkMacSystemFont, '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-body);
  background: var(--bg-warm);
  color: var(--text-main);
  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), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 12px;
}

.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 3vw, 36px);
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 12px;
  font-weight: 600;
}

.section-header p {
  color: var(--text-weak);
  max-width: 640px;
  margin: 0 auto;
  font-size: 16px;
}

.section-divider {
  width: 48px;
  height: 3px;
  background: var(--gold);
  margin: 20px auto 0;
  border-radius: 2px;
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 24, 21, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.site-header.scrolled {
  background: var(--bg-warm);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.site-header.scrolled .brand-text,
.site-header.scrolled .site-nav a,
.site-header.scrolled .header-btn {
  color: var(--ink);
}

.site-header.scrolled .brand-mark {
  background: var(--ink);
  color: var(--gold);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  background: #F6F3EE;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
  letter-spacing: -0.5px;
  transition: all var(--transition);
}

.brand-text {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  color: #F6F3EE;
  letter-spacing: 0.02em;
  transition: color var(--transition);
  white-space: nowrap;
}

.site-nav ul {
  display: flex;
  gap: 32px;
  margin: 0;
}

.site-nav a {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  padding: 8px 0;
  position: relative;
  font-weight: 400;
  transition: color var(--transition);
}

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

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

.site-nav a:hover,
.site-nav a.active {
  color: var(--gold);
}

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

.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  transition: all var(--transition);
  border: 1px solid transparent;
}

.header-btn:hover {
  background: var(--gold-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(185, 158, 116, 0.35);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 6px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: inherit;
}

.nav-toggle i {
  font-size: 22px;
}

/* ===== Hero ===== */
.hero {
  min-height: 90vh;
  background: linear-gradient(180deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.55) 50%, rgba(0,0,0,0.65) 100%), url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  padding: 120px 0 80px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #F6F3EE;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.hero-badge i {
  font-size: 12px;
  color: var(--gold);
}

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(34px, 5vw, 56px);
  color: #FFFFFF;
  line-height: 1.15;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero h1 .divider {
  display: inline-block;
  width: 2px;
  height: 0.8em;
  background: var(--gold);
  margin: 0 14px;
  vertical-align: middle;
  border-radius: 1px;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: 18px;
  line-height: 1.6;
  max-width: 560px;
  margin-bottom: 36px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--gold);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--gold-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(185, 158, 116, 0.4);
}

.btn-primary i {
  transition: transform var(--transition);
}

.btn-primary:hover i {
  transform: translateX(4px);
}

.btn-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  color: #fff;
}

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

.btn-dark:hover {
  background: var(--ink);
  color: #fff;
}

/* ===== 时间线 ===== */
.timeline-section {
  background: var(--bg-warm);
  padding: 96px 0;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 48px;
  position: relative;
}

.timeline-grid::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: var(--ink);
  opacity: 0.15;
  z-index: 0;
}

.timeline-node {
  padding: 0 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.timeline-number {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-warm);
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 0 0 4px var(--bg-warm), var(--shadow);
  transition: border-color var(--transition), background var(--transition);
}

.timeline-node:hover .timeline-number {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--ink);
}

.timeline-node h3 {
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 10px;
  font-weight: 600;
}

.timeline-node p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== 最新动态 ===== */
.latest-section {
  background: var(--bg-alt);
  padding: 96px 0;
}

.latest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.latest-card {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.latest-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--gold);
}

.latest-card__cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.latest-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.latest-card:hover .latest-card__cover img {
  transform: scale(1.03);
}

.latest-card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(26, 24, 21, 0.75);
  backdrop-filter: blur(6px);
  color: #F6F3EE;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
}

.latest-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.latest-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 10px;
}

.latest-card__meta i {
  font-size: 12px;
  color: var(--gold);
}

.latest-card__title {
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 12px;
  font-weight: 600;
}

.latest-card__title a:hover {
  color: var(--gold-hover);
}

.latest-card__excerpt {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}

.latest-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.latest-card__link i {
  transition: transform var(--transition);
  color: var(--gold);
}

.latest-card__link:hover {
  color: var(--gold-hover);
}

.latest-card__link:hover i {
  transform: translateX(4px);
}

.empty-box {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  background: var(--bg-warm);
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  color: var(--text-weak);
  font-size: 15px;
  text-align: center;
}

/* ===== 核心亮点 ===== */
.highlights-section {
  background: var(--bg-warm);
  padding: 96px 0;
}

.highlights-content {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 60px;
  align-items: center;
}

.highlights-left {
  position: relative;
}

.highlights-left .stat-block {
  background: var(--ink);
  border-radius: 8px;
  padding: 48px 40px;
  color: #fff;
  box-shadow: var(--shadow-hover);
}

.highlights-left .stat-block h3 {
  font-family: var(--font-head);
  font-size: 56px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.highlights-left .stat-block p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.highlights-right {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.highlight-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.highlight-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.highlight-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-hover);
  font-size: 18px;
  transition: all var(--transition);
}

.highlight-item:hover .highlight-icon {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}

.highlight-item h4 {
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 6px;
  font-weight: 600;
}

.highlight-item p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.65;
}

/* ===== 方案对比 ===== */
.compare-section {
  background: var(--bg-alt);
  padding: 96px 0;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.compare-card {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

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

.compare-card.recommended {
  border: 2px solid var(--gold);
  padding-top: 48px;
  box-shadow: 0 8px 30px rgba(185, 158, 116, 0.15);
}

.compare-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.compare-card h3 {
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 8px;
  font-weight: 600;
}

.compare-card .compare-desc {
  font-size: 14px;
  color: var(--text-weak);
  margin-bottom: 24px;
}

.compare-features {
  margin-bottom: 32px;
}

.compare-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  padding: 8px 0;
  color: var(--text-main);
  border-bottom: 1px solid var(--line);
}

.compare-features li:last-child {
  border-bottom: none;
}

.compare-features li i {
  color: var(--gold-hover);
  font-size: 13px;
  margin-top: 3px;
  flex-shrink: 0;
}

.compare-features li.off {
  color: var(--text-weak);
  opacity: 0.55;
}

.compare-features li.off i {
  color: var(--text-weak);
}

.compare-card .btn {
  width: 100%;
  justify-content: center;
}

/* ===== CTA 表单 ===== */
.cta-section {
  background: linear-gradient(135deg, rgba(26,24,21,0.88) 0%, rgba(26,24,21,0.94) 100%), url('/assets/images/backpic/back-2.webp') center center/cover no-repeat;
  padding: 96px 0;
}

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

.cta-left h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 3vw, 38px);
  color: #fff;
  line-height: 1.3;
  margin-bottom: 20px;
  font-weight: 600;
}

.cta-left p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.cta-points {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-point {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 8px 16px;
  border-radius: 30px;
}

.cta-point i {
  color: var(--gold);
  font-size: 12px;
}

.cta-form-wrap {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 40px;
  backdrop-filter: blur(12px);
}

.cta-form-wrap h3 {
  font-family: var(--font-head);
  font-size: 20px;
  color: #fff;
  margin-bottom: 24px;
  font-weight: 600;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group select {
  width: 100%;
  height: 46px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  padding: 0 16px;
  color: #fff;
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group select {
  cursor: pointer;
}

.form-group select option {
  color: var(--ink);
  background: #fff;
}

.form-group input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(185, 158, 116, 0.2);
}

.cta-form-wrap .btn-submit {
  width: 100%;
  height: 48px;
  background: var(--gold);
  color: var(--ink);
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  margin-top: 8px;
}

.cta-form-wrap .btn-submit:hover {
  background: var(--gold-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(185, 158, 116, 0.35);
}

.form-privacy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}

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

.faq-list {
  max-width: 800px;
  margin: 48px auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  transition: color var(--transition);
  user-select: none;
}

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

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--gold);
  transition: transform var(--transition), background var(--transition), color var(--transition);
  font-style: normal;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding-top: 16px;
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.6);
  padding: 72px 0 24px;
}

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

.footer-brand .brand-text {
  color: #fff;
  font-size: 20px;
  margin-bottom: 12px;
  display: inline-block;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  max-width: 280px;
}

.footer-column h4 {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}

.footer-column ul li {
  margin-bottom: 12px;
}

.footer-column ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition);
}

.footer-column ul a:hover {
  color: var(--gold);
}

.footer-column .contact-info li {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-column .contact-info i {
  color: var(--gold);
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 动效 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .section-padding {
    padding: 72px 0;
  }

  .site-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--ink);
    padding: 24px;
    flex-direction: column;
    display: none;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    border-bottom: 2px solid var(--gold);
  }

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

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav ul li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav ul a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
  }

  .site-nav ul a:hover {
    color: var(--gold);
  }

  .site-nav ul a::after {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

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

  .timeline-grid::before {
    display: none;
  }

  .timeline-node {
    padding: 0;
    text-align: left;
    display: flex;
    gap: 20px;
    align-items: flex-start;
  }

  .timeline-number {
    margin-bottom: 0;
    flex-shrink: 0;
    margin-top: 4px;
  }

  .timeline-node h3 {
    margin-bottom: 6px;
  }

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

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

  .compare-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

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

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

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .nav-container {
    height: 64px;
  }

  .site-header {
    background: rgba(26, 24, 21, 0.6);
  }

  .hero {
    min-height: 85vh;
  }

  .hero-content {
    padding: 100px 0 60px;
  }

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

  .section-header {
    margin-bottom: 40px;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

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

  .cta-form-wrap {
    padding: 28px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

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

  .latest-card__cover {
    height: 160px;
  }

  .highlights-left .stat-block {
    padding: 32px 24px;
  }

  .highlights-left .stat-block h3 {
    font-size: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .submit-btn-wrap {
    margin-top: 16px;
  }

  .site-header.scrolled .header-btn {
    font-size: 13px;
    padding: 8px 14px;
  }
}

/* roulang page: category1 */
:root{
  --color-ink:#1A1815;
  --color-gold:#B89E74;
  --color-gold-hover:#917A55;
  --color-bg:#F6F3EE;
  --color-bg-alt:#EFEBE3;
  --color-text:#262220;
  --color-text-light:#6B645C;
  --color-border:#DFD8CC;
  --color-border-light:#E5DED2;
  --color-white:#FFFFFF;
  --shadow-sm:0 2px 8px rgba(26,24,21,0.05);
  --shadow-md:0 6px 20px rgba(26,24,21,0.07);
  --shadow-lg:0 14px 40px rgba(26,24,21,0.10);
  --radius-sm:4px;
  --radius-md:6px;
  --transition:0.25s ease;
  --container-w:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--color-bg);
  color:var(--color-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--transition);}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;border:none;outline:none;}
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px;width:100%;}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-margin-x>.cell{padding:0 18px;margin-bottom:32px;}
.cell{flex:1 0 auto;}
.cell.large-6{flex:0 0 50%;max-width:50%;}
.cell.large-7{flex:0 0 58.3333%;max-width:58.3333%;}
.cell.large-5{flex:0 0 41.6667%;max-width:41.6667%;}
.cell.large-4{flex:0 0 33.3333%;max-width:33.3333%;}
.cell.medium-6{flex:0 0 50%;max-width:50%;}
.cell.medium-4{flex:0 0 33.3333%;max-width:33.3333%;}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  color:var(--color-ink);
  line-height:1.3;
  font-weight:600;
}
p{color:var(--color-text);}
.section{padding:96px 0;position:relative;}
.section-alt{background:var(--color-bg-alt);}
.section-label{
  display:inline-block;
  font-size:13px;
  letter-spacing:2px;
  color:var(--color-gold-hover);
  text-transform:uppercase;
  margin-bottom:12px;
  font-weight:600;
  border-left:3px solid var(--color-gold);
  padding-left:10px;
}
.section h2{font-size:clamp(26px,3vw,36px);margin-bottom:16px;line-height:1.3;}
.section .lead{font-size:16px;color:var(--color-text-light);max-width:680px;line-height:1.8;}

/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(26,24,21,0.45);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,0.08);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
  background:var(--color-bg);
  border-bottom-color:var(--color-border);
  box-shadow:0 4px 20px rgba(0,0,0,0.04);
}
.nav-container{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;max-width:var(--container-w);margin:0 auto;padding:0 24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:6px;
  background:var(--color-gold);color:var(--color-ink);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;letter-spacing:1px;
  font-family:"Noto Serif SC",serif;
}
.brand-text{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:19px;font-weight:600;color:var(--color-bg);
  letter-spacing:1px;transition:color .3s ease;
}
.site-header.scrolled .brand-text{color:var(--color-ink);}
.site-nav ul{display:flex;gap:4px;align-items:center;margin:0;padding:0;}
.site-nav li{margin:0;}
.site-nav a{
  padding:8px 18px;font-size:14px;color:rgba(255,255,255,0.85);
  border-radius:30px;transition:background .25s,color .25s;font-weight:500;
}
.site-header.scrolled .site-nav a{color:var(--color-text);}
.site-nav a:hover,.site-nav a.active{background:rgba(184,158,116,0.22);color:#fff;}
.site-header.scrolled .site-nav a:hover,.site-header.scrolled .site-nav a.active{background:var(--color-gold);color:var(--color-ink);}
.nav-actions{display:flex;align-items:center;gap:20px;}
.header-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--color-gold);color:var(--color-ink);
  padding:10px 22px;border-radius:4px;font-size:14px;font-weight:600;
  transition:background .25s,transform .25s,box-shadow .25s;
  white-space:nowrap;
}
.header-btn:hover{background:var(--color-gold-hover);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(26,24,21,0.12);}
.header-btn i{font-size:12px;transition:transform .25s;}
.header-btn:hover i{transform:translateX(3px);}
.nav-toggle{
  display:none;background:transparent;width:40px;height:40px;
  border-radius:6px;cursor:pointer;color:var(--color-bg);
  font-size:20px;align-items:center;justify-content:center;
}
.site-header.scrolled .nav-toggle{color:var(--color-ink);}

/* banner */
.page-banner{
  min-height:300px;padding:140px 0 60px;position:relative;
  background-size:cover;background-position:center;
  display:flex;align-items:flex-end;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0.55) 0%,rgba(0,0,0,0.25) 60%,rgba(26,24,21,0.55) 100%);
}
.banner-content{position:relative;z-index:2;color:var(--color-bg);}
.banner-badge{
  display:inline-block;font-size:13px;letter-spacing:2px;
  background:rgba(184,158,116,0.25);
  border:1px solid rgba(184,158,116,0.6);
  color:var(--color-gold);
  padding:6px 18px;border-radius:30px;margin-bottom:16px;
}
.banner-content h1{
  color:#fff;font-size:clamp(30px,4vw,44px);line-height:1.2;
  margin-bottom:14px;font-weight:600;
}
.banner-content .sub{font-size:16px;color:rgba(255,255,255,0.85);max-width:640px;line-height:1.7;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;margin-top:24px;
  font-size:13px;color:rgba(255,255,255,0.65);
}
.breadcrumb a{color:rgba(255,255,255,0.8);}
.breadcrumb a:hover{color:var(--color-gold);}
.breadcrumb span{color:rgba(255,255,255,0.45);}

/* intro */
.intro-section{padding-top:80px;padding-bottom:72px;}
.visual-figure{
  border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-md);
  border:1px solid var(--color-border-light);
  background:var(--color-white);
}
.visual-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.visual-figure:hover img{transform:scale(1.03);}
.feature-dots{margin-top:28px;}
.feature-dots li{
  position:relative;padding:10px 0 10px 30px;font-size:15px;color:var(--color-text);
  border-bottom:1px solid var(--color-border-light);
}
.feature-dots li:last-child{border-bottom:none;}
.feature-dots li::before{
  content:"";
  position:absolute;left:0;top:19px;width:14px;height:14px;border-radius:50%;
  border:2px solid var(--color-gold);
}

/* data band */
.data-band{
  background:var(--color-ink);padding:76px 0;
}
.data-item{text-align:center;padding:12px 20px;}
.data-number{
  font-family:"Noto Serif SC",serif;
  font-size:64px;color:var(--color-gold);
  line-height:1;font-weight:600;display:block;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.data-number small{font-size:22px;color:rgba(255,255,255,0.72);margin-left:4px;font-weight:400;}
.data-item p{color:rgba(255,255,255,0.72);font-size:15px;letter-spacing:1px;}

/* prep section */
.prep-section{background:var(--color-bg-alt);}

/* flow */
.flow-section .flow-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:52px;position:relative;
}
.flow-steps::before{
  content:"";position:absolute;top:44px;left:5%;right:5%;
  height:1px;background:var(--color-border);
}
.flow-item{position:relative;padding:0 22px;}
.flow-num{
  display:flex;align-items:center;justify-content:center;
  width:60px;height:60px;border-radius:50%;
  background:var(--color-gold);color:var(--color-ink);
  font-family:"Noto Serif SC",serif;font-size:18px;font-weight:600;
  margin-bottom:22px;position:relative;z-index:2;
  box-shadow:0 0 0 6px var(--color-bg),0 0 0 7px var(--color-gold);
}
.flow-item h3{font-size:20px;margin-bottom:10px;}
.flow-item p{font-size:14px;color:var(--color-text-light);line-height:1.7;}

/* safety */
.safety-section{background:var(--color-bg);}
.safety-list li{
  display:flex;gap:18px;padding:22px 0;
  border-bottom:1px solid var(--color-border-light);
}
.safety-list li:last-child{border-bottom:none;}
.safety-list i{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  background:var(--color-gold);color:var(--color-ink);
  display:flex;align-items:center;justify-content:center;font-size:17px;
  margin-top:4px;
}
.safety-list h4{font-size:17px;margin-bottom:6px;}
.safety-list p{font-size:14px;color:var(--color-text-light);line-height:1.6;}

/* cta */
.cta-section{
  background:var(--color-ink);padding:0;position:relative;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:rgba(26,24,21,0.82);
}
.cta-wrap{
  position:relative;z-index:2;display:flex;gap:56px;align-items:center;
  padding:88px 0;
}
.cta-info{flex:1;}
.cta-info h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.cta-info p{color:rgba(255,255,255,0.78);font-size:15px;max-width:440px;}
.cta-form{
  flex:0 0 420px;background:transparent;
}
.cta-form form{background:var(--color-bg);border-radius:8px;padding:32px;box-shadow:var(--shadow-lg);}
.cta-form input,.cta-form select{
  width:100%;height:46px;background:#FCFAF6;
  border:1px solid var(--color-border);border-radius:4px;
  padding:0 14px;font-size:14px;color:var(--color-text);
  margin-bottom:14px;transition:border-color .25s,box-shadow .25s;
}
.cta-form input:focus,.cta-form select:focus{
  border-color:var(--color-gold);
  box-shadow:0 0 0 3px rgba(184,158,116,0.18);
}
.cta-form select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B645C' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;}
.btn-primary{
  display:block;width:100%;height:46px;
  background:var(--color-gold);color:var(--color-ink);
  border-radius:4px;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .25s,color .25s,transform .25s,box-shadow .25s;
}
.btn-primary:hover{background:var(--color-gold-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(145,122,85,0.35);}
.privacy-note{font-size:12px;color:var(--color-text-light);text-align:center;margin-top:12px;}

/* footer */
.site-footer{background:#1A1815;color:rgba(255,255,255,0.72);padding:64px 0 0;font-size:14px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.08);
}
.pg-logo-footer{
  font-family:"Noto Serif SC",serif;font-size:24px;color:#fff;font-weight:600;
  display:block;margin-bottom:14px;letter-spacing:2px;
}
.footer-brand p{color:rgba(255,255,255,0.6);line-height:1.7;}
.footer-column h4{
  color:#fff;font-size:15px;margin-bottom:18px;font-family:"Noto Serif SC",serif;
}
.footer-column ul li{margin-bottom:10px;}
.footer-column a{color:rgba(255,255,255,0.65);transition:color .25s;font-size:14px;}
.footer-column a:hover{color:var(--color-gold);}
.contact-info li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,0.65);}
.contact-info i{color:var(--color-gold);width:16px;text-align:center;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:24px 0 28px;color:rgba(255,255,255,0.45);font-size:13px;
}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
.reveal.visible{opacity:1;transform:none;}

/* responsive */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .flow-steps{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .flow-steps::before{display:none;}
  .cta-wrap{flex-direction:column;gap:36px;padding:56px 0;}
  .cta-form{flex:0 0 100%;max-width:520px;}
}
@media (max-width:768px){
  body{font-size:15px;}
  .nav-container{height:66px;}
  .site-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--color-ink);flex-direction:column;padding:16px 24px;
    border-top:1px solid rgba(255,255,255,0.06);
  }
  .site-nav.open{display:block;}
  .site-nav ul{flex-direction:column;gap:4px;}
  .site-nav a{display:block;padding:12px 14px;color:#fff !important;border-radius:4px;}
  .site-nav a:hover,.site-nav a.active{background:rgba(184,158,116,0.2);color:var(--color-gold) !important;}
  .nav-toggle{display:flex;border:1px solid rgba(255,255,255,0.2);}
  .header-btn{display:none;}
  .brand-text{font-size:17px;}
  .page-banner{min-height:260px;padding:110px 0 44px;}
  .banner-content h1{font-size:28px;}
  .cell.large-6,.cell.large-7,.cell.large-5,.cell.large-4,.cell.medium-6,.cell.medium-4{
    flex:0 0 100%;max-width:100%;
  }
  .grid-margin-x>.cell{margin-bottom:28px;}
  .prep-order-first{order:1;}
  .prep-section .cell:last-child{order:0;}
  .data-number{font-size:48px;}
  .flow-steps{grid-template-columns:1fr;gap:0;}
  .flow-item{padding:20px 0;border-bottom:1px solid var(--color-border-light);}
  .flow-item:last-child{border-bottom:none;}
  .safety-list li{gap:14px;}
  .safety-section h2{font-size:26px;}
  .cta-form form{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;text-align:center;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .brand-mark{width:34px;height:34px;font-size:14px;}
  .brand-text{font-size:16px;letter-spacing:0.5px;}
  .banner-content .sub{font-size:14px;}
  .banner-badge{font-size:12px;padding:5px 14px;}
  .data-number{font-size:42px;}
  .data-item p{font-size:13px;}
  .flow-item{padding:16px 0;}
  .safety-list li{flex-direction:row;}
  .safety-list i{width:38px;height:38px;font-size:15px;}
  .btn-primary{font-size:14px;}
}

/* roulang page: article */
:root {
  --color-primary: #1A1815;
  --color-accent: #B89E74;
  --color-accent-hover: #917A55;
  --color-bg: #F6F3EE;
  --color-bg-alt: #EFEBE3;
  --color-text: #262220;
  --color-text-light: #6B645A;
  --color-border: #DFD8CC;
  --color-white: #FFFFFF;
  --shadow-card: 0 2px 8px rgba(26,24,21,0.04);
  --shadow-hover: 0 8px 24px rgba(26,24,21,0.08);
  --radius: 6px;
  --radius-sm: 4px;
  --transition: 0.25s ease;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
}
*, *::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: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -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), transform var(--transition); }
ul, ol { list-style: none; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }
button { cursor: pointer; background: none; border: none; }

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

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(246, 243, 238, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(246, 243, 238, 0.98);
  box-shadow: 0 4px 20px rgba(26, 24, 21, 0.06);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--color-primary);
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  font-family: var(--font-sans);
}
.brand-text {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-serif);
  letter-spacing: 1px;
  color: var(--color-text);
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-nav a {
  font-size: 15px;
  color: var(--color-text);
  padding: 8px 0;
  position: relative;
  letter-spacing: 0.02em;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.site-nav a:hover::after,
.site-nav a.active::after { width: 100%; }
.site-nav a.active { color: var(--color-text); font-weight: 600; }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid var(--color-primary);
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.header-btn:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26,24,21,0.12);
}
.header-btn i { transition: transform var(--transition); }
.header-btn:hover i { transform: translateX(3px); }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: transparent;
  font-size: 18px;
  transition: background var(--transition), color var(--transition);
}
.nav-toggle:hover { background: var(--color-primary); color: var(--color-bg); }

/* ===== Main / Article ===== */
.article-main {
  padding-top: 118px;
  padding-bottom: 64px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 36px;
}
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-accent-hover); }
.breadcrumb .sep { color: #C4BCAE; }
.breadcrumb .current { color: var(--color-text); }
.article-head {
  max-width: 860px;
  margin: 0 auto 32px;
  text-align: center;
}
.article-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 13px;
  color: var(--color-text-light);
}
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item i { color: var(--color-accent); }

/* ===== Article Body ===== */
.article-body {
  max-width: 720px;
  margin: 0 auto 48px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text);
}
.article-body p {
  margin-bottom: 24px;
}
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: 0.02em;
}
.article-body h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 12px;
  letter-spacing: 0.02em;
}
.article-body ul,
.article-body ol {
  margin: 0 0 24px;
  padding-left: 24px;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li {
  margin-bottom: 8px;
  line-height: 1.75;
}
.article-body blockquote {
  margin: 32px 0;
  padding: 16px 24px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text-light);
}
.article-body img {
  border-radius: var(--radius);
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}
.article-body a {
  color: var(--color-accent-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover { color: var(--color-primary); }
.article-body code {
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: monospace;
}

/* ===== Tags ===== */
.article-tags {
  max-width: 720px;
  margin: 0 auto 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 30px;
  font-size: 13px;
  color: var(--color-text-light);
}
.tag i { color: var(--color-accent); font-size: 11px; }

/* ===== Pager ===== */
.article-pager {
  max-width: 720px;
  margin: 0 auto 48px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}
.pager-item a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--color-text-light);
  padding: 10px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.pager-item a:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
  background: var(--color-bg-alt);
  transform: translateY(-2px);
}
.pager-item a i { font-size: 13px; }

/* ===== Not Found ===== */
.not-found-box {
  text-align: center;
  padding: 80px 24px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.4);
}
.not-found-box h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  margin-bottom: 16px;
}
.not-found-box p {
  color: var(--color-text-light);
  margin-bottom: 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,24,21,0.12);
}
.btn-primary i { transition: transform var(--transition); }
.btn-primary:hover i { transform: translateX(4px); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover {
  background: rgba(26,24,21,0.05);
  border-color: var(--color-accent);
  color: var(--color-text);
}

/* ===== Related Section ===== */
.related-section {
  background: var(--color-bg-alt);
  padding: 96px 0;
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 36px);
  color: var(--color-text);
  margin-bottom: 12px;
  font-weight: 700;
}
.section-head p {
  color: var(--color-text-light);
  font-size: 15px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: block;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #D0C5B3;
}
.related-cover {
  height: 180px;
  overflow: hidden;
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .related-cover img { transform: scale(1.03); }
.related-info {
  padding: 20px 24px 24px;
}
.related-time {
  font-size: 12px;
  color: var(--color-text-light);
  display: block;
  margin-bottom: 8px;
}
.related-info h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
  line-height: 1.4;
}
.related-info p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--color-primary);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(26,24,21,0.72);
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.cta-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.8vw, 34px);
  color: #F6F3EE;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-content p {
  color: rgba(246,243,238,0.75);
  font-size: 15px;
  line-height: 1.7;
  max-width: 400px;
}
.cta-form {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cta-form input,
.cta-form select {
  width: 100%;
  height: 46px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-sm);
  padding: 0 16px;
  color: #F6F3EE;
  font-size: 14px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.cta-form input::placeholder {
  color: rgba(246,243,238,0.45);
}
.cta-form input:focus,
.cta-form select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184,158,116,0.25);
  background: rgba(255,255,255,0.12);
}
.cta-form select { color: rgba(246,243,238,0.7); }
.cta-form select option { color: var(--color-text); background: #fff; }
.btn-block {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}
.form-privacy {
  font-size: 12px;
  color: rgba(246,243,238,0.4);
  text-align: center;
  margin-top: -4px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary);
  color: #CFC8BC;
  padding: 64px 0 0;
  border-top: none;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.pg-logo-footer {
  font-size: 22px;
  color: #F6F3EE;
  font-weight: 700;
  display: block;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(246,243,238,0.6);
  max-width: 260px;
  margin-top: 12px;
}
.footer-column h4 {
  font-size: 15px;
  font-weight: 600;
  color: #E8E1D6;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.footer-column ul li {
  margin-bottom: 10px;
}
.footer-column ul li a {
  font-size: 14px;
  color: rgba(246,243,238,0.55);
  transition: color var(--transition);
}
.footer-column ul li a:hover {
  color: var(--color-accent);
}
.contact-info li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(246,243,238,0.55);
}
.contact-info i {
  color: var(--color-accent);
  font-size: 13px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(246,243,238,0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: rgba(246,243,238,0.35);
  flex-wrap: wrap;
}

/* ===== Focus visibility ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .cta-inner { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 768px) {
  .site-nav {
    position: fixed;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--color-primary);
    padding: 24px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  }
  .site-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .site-nav a {
    color: #F6F3EE;
    font-size: 16px;
  }
  .site-nav a.active {
    color: var(--color-accent);
  }
  .site-nav a::after { display: none; }
  .nav-toggle {
    display: inline-flex;
  }
  .header-btn { padding: 10px 16px; font-size: 13px; }
  .header-btn .fa-arrow-right { display: none; }
  .brand-text { font-size: 18px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-main { padding-top: 110px; }
  .article-head h1 { font-size: 26px; }
  .article-meta { gap: 12px; }
  .article-pager { flex-direction: column; }
  .pager-item { width: 100%; }
  .pager-item a { width: 100%; justify-content: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .nav-container { height: 68px; }
  .site-nav { top: 68px; }
  .brand-mark { width: 34px; height: 34px; font-size: 12px; }
  .header-btn { display: none; }
  .cta-section { padding: 56px 0; }
  .cta-form { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .article-body img { border-radius: var(--radius-sm); }
}

/* roulang page: category2 */
:root {
  --ink: #1A1815;
  --sand: #B89E74;
  --sand-dark: #917A55;
  --bg: #F6F3EE;
  --bg-alt: #EFEBE3;
  --text: #262220;
  --text-light: #7A746A;
  --border: #DFD8CC;
  --shadow: rgba(26, 24, 21, 0.08);
  --radius: 6px;
  --radius-sm: 4px;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.25s ease;
}
a:hover {
  color: var(--sand-dark);
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 12px;
  font-weight: 600;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 96px 0;
}
@media (max-width: 1024px) {
  .section {
    padding: 64px 0;
  }
}
@media (max-width: 640px) {
  .section {
    padding: 40px 0;
  }
}
.bg-alt {
  background: var(--bg-alt);
}
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 0;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 24, 21, 0.45);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 36px;
  height: 36px;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.brand-text {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: #F6F3EE;
  letter-spacing: 1px;
  transition: color 0.3s ease, transform 0.3s ease;
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav a {
  color: rgba(246, 243, 238, 0.9);
  font-size: 15px;
  text-decoration: none;
  padding: 6px 2px;
  position: relative;
  transition: color 0.25s ease;
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--sand);
  transition: width 0.25s ease;
}
.site-nav a:hover::after,
.site-nav a.active::after {
  width: 100%;
}
.site-nav a.active {
  color: #F6F3EE;
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--sand);
  color: var(--ink) !important;
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.25s ease, transform 0.25s ease, color 0.25s ease;
}
.header-btn:hover {
  background: var(--sand-dark);
  color: #fff !important;
  transform: translateY(-1px);
}
.header-btn i {
  transition: transform 0.25s ease;
}
.header-btn:hover i {
  transform: translateX(4px);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #F6F3EE;
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
  transition: color 0.25s ease;
}
.site-header.scrolled {
  background: #F6F3EE;
  border-bottom-color: #DFD8CC;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}
.site-header.scrolled .brand-text {
  color: var(--ink);
}
.site-header.scrolled .site-nav a {
  color: var(--text);
}
.site-header.scrolled .site-nav a.active {
  color: var(--ink);
}
.site-header.scrolled .nav-toggle {
  color: var(--ink);
}
@media (max-width: 900px) {
  .site-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--ink);
    padding: 24px 32px;
    flex-direction: column;
    align-items: flex-start;
    transform: translateY(-130%);
    transition: transform 0.35s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
  }
  .site-nav.open {
    transform: translateY(0);
  }
  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }
  .site-nav a {
    font-size: 17px;
    color: #F6F3EE !important;
  }
  .site-nav a::after {
    background: var(--sand);
  }
  .nav-toggle {
    display: inline-flex;
  }
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  min-height: 260px;
  padding: 140px 0 64px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
}
.page-hero-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(26, 24, 21, 0.55), rgba(26, 24, 21, 0.25));
}
.page-hero-content {
  position: relative;
  z-index: 1;
  color: #F6F3EE;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(246, 243, 238, 0.7);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: rgba(246, 243, 238, 0.85);
}
.breadcrumb a:hover {
  color: var(--sand);
}
.breadcrumb .sep {
  opacity: 0.5;
}
.hero-title {
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.15;
  color: #F6F3EE;
  margin-bottom: 16px;
  font-weight: 600;
}
.hero-divider {
  margin: 0 12px;
  color: var(--sand);
}
.hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(246, 243, 238, 0.85);
  max-width: 560px;
  margin-bottom: 0;
}

/* ===== Announcement List ===== */
.announcement-list {
  border-top: 1px solid var(--border);
}
.announcement-item {
  display: flex;
  align-items: flex-start;
  gap: 48px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease;
}
.announcement-item:hover {
  background: rgba(184, 158, 116, 0.04);
}
.announcement-date {
  min-width: 104px;
  font-size: 14px;
  color: var(--text-light);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
  padding-top: 4px;
}
.announcement-body h3 {
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 8px;
  color: var(--ink);
  font-weight: 600;
  transition: color 0.25s ease;
}
.announcement-item:hover .announcement-body h3 {
  color: var(--sand-dark);
}
.announcement-body p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 0;
}
@media (max-width: 640px) {
  .announcement-item {
    flex-direction: column;
    gap: 12px;
    padding: 24px 0;
  }
  .announcement-date {
    min-width: auto;
  }
}

/* ===== Gallery ===== */
.gallery-grid {
  margin-top: 8px;
}
.gallery-item {
  margin-bottom: 32px;
}
.gallery-item figure {
  margin: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.gallery-item figure:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(26, 24, 21, 0.1);
}
.gallery-item img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item figure:hover img {
  transform: scale(1.03);
}
.gallery-item figcaption {
  padding: 16px 18px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  border-top: 1px solid #F0EBE2;
}
.gallery-item figcaption span {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

/* ===== Compatibility ===== */
.compat-item {
  text-align: center;
  padding: 40px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  height: 100%;
}
.compat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(26, 24, 21, 0.08);
  border-color: #C9BCA6;
}
.compat-item i {
  font-size: 30px;
  color: var(--sand);
  margin-bottom: 18px;
  display: block;
}
.compat-item h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--ink);
}
.compat-item p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===== Note ===== */
.note-block {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 3px solid var(--sand);
  padding: 48px;
  border-radius: var(--radius);
}
.note-block h3 {
  font-size: 24px;
  margin-bottom: 24px;
  color: var(--ink);
}
.note-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 40px;
}
.note-list li {
  position: relative;
  padding-left: 32px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}
.note-list li::before {
  content: '\f058';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--sand);
  font-size: 16px;
}
@media (max-width: 768px) {
  .note-block {
    padding: 32px 24px;
  }
  .note-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ===== CTA ===== */
.cta-section {
  background: var(--ink);
  padding: 80px 0;
}
.cta-section .container {
  display: flex;
  gap: 64px;
  align-items: center;
}
.cta-left {
  flex: 1;
}
.cta-left h2 {
  color: #F6F3EE;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: 16px;
}
.cta-left p {
  color: rgba(246, 243, 238, 0.75);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 0;
}
.cta-form {
  flex: 0 0 400px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 32px;
}
.cta-form input,
.cta-form select {
  width: 100%;
  height: 46px;
  background: #FCFAF6;
  border: 1px solid #DFD8CC;
  border-radius: 4px;
  padding: 0 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--text);
  margin-bottom: 16px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.cta-form input:focus,
.cta-form select:focus {
  border-color: var(--sand);
  box-shadow: 0 0 0 3px rgba(184, 158, 116, 0.2);
  outline: none;
  background: #fff;
}
.cta-form select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237A746A' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
}
.cta-form button {
  width: 100%;
  height: 46px;
  background: var(--sand);
  color: var(--ink);
  border: none;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}
.cta-form button:hover {
  background: var(--sand-dark);
  color: #fff;
  transform: translateY(-1px);
}
.privacy-note {
  font-size: 12px;
  color: rgba(246, 243, 238, 0.5);
  margin-top: 16px;
  margin-bottom: 0;
  text-align: center;
}
@media (max-width: 900px) {
  .cta-section .container {
    flex-direction: column;
    gap: 32px;
  }
  .cta-form {
    flex: 1 1 auto;
    width: 100%;
  }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: rgba(246, 243, 238, 0.7);
  padding: 64px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand p {
  margin-top: 16px;
  line-height: 1.7;
  color: rgba(246, 243, 238, 0.6);
  max-width: 260px;
}
.pg-logo-footer {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: #F6F3EE;
  letter-spacing: 1px;
}
.footer-column h4 {
  color: #F6F3EE;
  font-size: 16px;
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-column li {
  margin-bottom: 10px;
}
.footer-column a {
  color: rgba(246, 243, 238, 0.6);
  transition: color 0.25s ease, padding-left 0.25s ease;
}
.footer-column a:hover {
  color: var(--sand);
  padding-left: 4px;
}
.contact-info li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(246, 243, 238, 0.6);
}
.contact-info i {
  color: var(--sand);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(246, 243, 238, 0.4);
}
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Foundation overrides ===== */
.grid-x {
  margin-left: 0;
  margin-right: 0;
}
.grid-margin-x > .cell {
  margin-left: 0;
  margin-right: 0;
}

/* roulang page: category3 */
:root {
  --ink: #1A1815;
  --gold: #B89E74;
  --gold-hover: #917A55;
  --bg: #F6F3EE;
  --bg-alt: #EFEBE3;
  --text: #262220;
  --text-light: #6B655A;
  --border: #DFD8CC;
  --white: #fff;
  --shadow: rgba(26, 24, 21, 0.08);
  --radius: 6px;
  --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }
ul { list-style: none; }
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
}
.grid-x { display: flex; flex-wrap: wrap; }
.grid-margin-x { margin-left: -15px; margin-right: -15px; }
.grid-margin-x > .cell { margin-left: 15px; margin-right: 15px; }

/* Header nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(26, 24, 21, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.site-header.scrolled {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(26, 24, 21, 0.04);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold);
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.05em;
  border-radius: 4px;
}
.brand-text {
  font-family: "Noto Serif SC", serif;
  font-size: 20px;
  font-weight: 700;
  color: #F6F3EE;
  letter-spacing: 0.02em;
  transition: color 0.35s ease;
}
.site-header.scrolled .brand-text { color: var(--ink); }
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 36px;
}
.site-nav a {
  font-size: 15px;
  color: #F6F3EE;
  position: relative;
  padding: 6px 0;
  transition: color 0.35s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.site-nav a:hover::after,
.site-nav a.active::after { transform: scaleX(1); }
.site-header.scrolled .site-nav a { color: var(--text); }
.site-header.scrolled .site-nav a.active { color: var(--gold-hover); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--ink);
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s ease;
}
.header-btn:hover {
  background: var(--gold-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(145, 122, 85, 0.28);
}
.header-btn i { transition: transform 0.25s ease; }
.header-btn:hover i { transform: translateX(3px); }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  color: #F6F3EE;
  font-size: 18px;
}
.site-header.scrolled .nav-toggle {
  background: var(--bg-alt);
  border-color: var(--border);
  color: var(--ink);
}

/* Page Hero */
.page-hero {
  position: relative;
  min-height: 300px;
  padding: 130px 0 60px;
  display: flex;
  align-items: center;
  background: var(--ink);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.55;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(26, 24, 21, 0.88), rgba(26, 24, 21, 0.4));
}
.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
}
.hero-tag {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
  border: 1px solid rgba(184, 158, 116, 0.5);
  padding: 4px 14px;
  border-radius: 2px;
  margin-bottom: 18px;
}
.hero-content h1 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 16px;
}
.hero-divider {
  color: var(--gold);
  margin: 0 10px;
  font-weight: 600;
}
.hero-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 640px;
}

/* Section base */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold-hover);
  border: 1px solid rgba(184, 158, 116, 0.45);
  padding: 4px 14px;
  border-radius: 2px;
  margin-bottom: 16px;
}
.section-head h2,
.service-intro h2,
.faq-section h2,
.resource-section h2,
.timeline-section h2,
.stats-section h2,
.cta-section h2 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-light);
  font-size: 16px;
}

/* Service Intro */
.service-intro h2 {
  font-size: clamp(24px, 2.6vw, 32px);
}
.service-intro p {
  color: var(--text-light);
  margin-bottom: 24px;
}
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--text);
}
.check-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--gold-hover);
  font-size: 14px;
}
.intro-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 6px 24px var(--shadow);
}
.intro-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.intro-image:hover img { transform: scale(1.03); }

/* FAQ */
.faq-grid { align-items: flex-start; }
.faq-list {
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 8px;
  text-align: left;
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.25s ease;
}
.faq-question:hover { color: var(--gold-hover); }
.faq-toggle {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 16px;
  font-weight: 600;
  color: var(--gold-hover);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}
.faq-toggle::before { content: "+"; line-height: 1; }
.faq-item.open .faq-toggle {
  transform: rotate(45deg);
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
}
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.45s ease;
}
.faq-answer p {
  padding: 0 8px 22px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
  max-width: 640px;
}
.faq-side {
  padding-left: 16px;
}
.faq-side img {
  border-radius: var(--radius);
  margin-bottom: 20px;
  width: 100%;
  height: 260px;
  object-fit: cover;
  box-shadow: 0 6px 20px var(--shadow);
}
.faq-note {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: 4px;
  padding: 20px 24px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-light);
}

/* Resource list */
.resource-section {
  background: var(--white);
}
.resource-list {
  border-top: 1px solid var(--border);
}
.resource-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 26px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.25s ease, padding-left 0.25s ease;
}
.resource-item:hover {
  background: var(--bg);
  padding-left: 24px;
}
.resource-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold);
  color: var(--gold-hover);
  border-radius: 4px;
  font-size: 18px;
  background: var(--bg);
  flex-shrink: 0;
}
.resource-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.resource-title {
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}
.resource-desc {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 2px;
}
.resource-arrow {
  font-size: 18px;
  color: var(--text-light);
  transition: transform 0.25s ease, color 0.25s ease;
  flex-shrink: 0;
}
.resource-item:hover .resource-arrow {
  transform: translateX(4px);
  color: var(--gold-hover);
}

/* Timeline */
.timeline-section {
  background: var(--bg-alt);
}
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}
.timeline-item {
  position: relative;
  text-align: center;
  padding: 0 12px;
}
.timeline-item::after {
  content: "";
  position: absolute;
  top: 30px;
  left: calc(50% + 36px);
  width: calc(100% - 72px);
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}
.timeline-item:last-child::after { display: none; }
.timeline-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  background: var(--bg-alt);
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}
.timeline-item h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 8px;
}
.timeline-item p {
  font-size: 14px;
  color: var(--text-light);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 40px 16px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: var(--radius);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--shadow);
}
.stat-number {
  display: block;
  font-family: "Noto Serif SC", serif;
  font-size: 42px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-light);
}

/* CTA */
.cta-section {
  position: relative;
  padding: 96px 0;
  background: var(--ink);
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.4;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(26, 24, 21, 0.94), rgba(26, 24, 21, 0.72));
}
.cta-container {
  position: relative;
  z-index: 1;
}
.cta-section h2 {
  color: #fff;
}
.cta-section .cta-desc {
  color: rgba(255, 255, 255, 0.75);
  margin: 16px 0 28px;
  font-size: 16px;
}
.cta-features {
  list-style: none;
  margin: 0;
}
.cta-features li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 15px;
}
.cta-features li::before {
  content: "\f058";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--gold);
  font-size: 15px;
}
.cta-form {
  background: var(--white);
  border-radius: 8px;
  padding: 36px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
}
.cta-form label {
  display: block;
  margin-bottom: 18px;
}
.cta-form .label-text {
  display: block;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 6px;
}
.cta-form input,
.cta-form select {
  width: 100%;
  height: 46px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.cta-form input:focus,
.cta-form select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184, 158, 116, 0.18);
  background: #fff;
}
.cta-form select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236B655A' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gold);
  color: var(--ink);
  padding: 14px 28px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: all 0.25s ease;
}
.btn-primary:hover {
  background: var(--gold-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(145, 122, 85, 0.3);
}
.btn-primary i { transition: transform 0.25s ease; }
.btn-primary:hover i { transform: translateX(4px); }
.btn-block { width: 100%; }
.form-privacy {
  font-size: 12px;
  color: var(--text-light);
  text-align: center;
  margin-top: 14px;
}
.cta-form button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(246, 243, 238, 0.9);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .brand-text {
  font-size: 20px;
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(246, 243, 238, 0.65);
  margin: 12px 0 0;
  line-height: 1.7;
}
.footer-column h4 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-column ul li {
  margin-bottom: 10px;
}
.footer-column a {
  color: rgba(246, 243, 238, 0.7);
  font-size: 14px;
  transition: color 0.25s ease;
}
.footer-column a:hover { color: var(--gold); }
.contact-info li i {
  margin-right: 8px;
  color: var(--gold);
  width: 16px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(246, 243, 238, 0.5);
}

/* Responsive */
@media (max-width: 1024px) {
  .section { padding: 72px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 900px) {
  .site-nav {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: var(--ink);
    padding: 100px 32px 32px;
    transition: right 0.4s ease;
    z-index: 99;
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.2);
  }
  .site-nav.open { right: 0; }
  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }
  .site-nav a { color: #F6F3EE; font-size: 17px; }
  .site-header.scrolled .site-nav a { color: #F6F3EE; }
  .site-nav a::after { display: none; }
  .site-nav a.active { color: var(--gold); }
  .nav-toggle { display: flex; }
  .nav-actions .header-btn { display: none; }
  .timeline-grid { grid-template-columns: 1fr; gap: 40px; }
  .timeline-item::after { display: none; }
  .faq-side { padding-left: 0; margin-top: 40px; }
  .cta-section { padding: 72px 0; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .page-hero { min-height: 260px; padding: 110px 0 48px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
  .resource-item { flex-wrap: wrap; padding: 20px 12px; }
  .resource-icon { width: 44px; height: 44px; font-size: 16px; }
  .resource-title { font-size: 16px; }
  .resource-desc { font-size: 13px; }
}
@media (max-width: 520px) {
  .section { padding: 44px 0; }
  .section-head { margin-bottom: 36px; }
  .page-hero h1 { font-size: 28px; }
  .stats-grid { grid-template-columns: 1fr; gap: 16px; }
  .stat-item { padding: 28px 16px; }
  .cta-form { padding: 28px 20px; }
  .faq-question { font-size: 15px; }
  .intro-image img { height: 240px; }
  .hero-tag { font-size: 12px; }
  .resource-item { gap: 14px; }
  .resource-arrow { display: none; }
  .header-btn { display: none; }
}