/* roulang page: index */
:root {
  --bg-primary: #0B0C0E;
  --bg-card: #15161A;
  --bg-surface: #1D1F24;
  --gold: #C6A15B;
  --gold-light: #E3C382;
  --gold-dark: #8E6D3B;
  --text-body: #E8E3D9;
  --text-muted: #A29A8E;
  --gold-border: rgba(198, 161, 91, 0.25);
  --radius-card: 10px;
  --radius-btn: 6px;
  --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(198, 161, 91, 0.25);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg-primary);
  color: var(--text-body);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }
ul, ol { list-style: none; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }
.serif, h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 500; }
p { line-height: 1.75; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.grid-container { max-width: 1200px !important; padding: 0 24px !important; }
.grid-x { display: flex; flex-wrap: wrap; }
.cell { padding: 0 12px; }
.grid-margin-x { margin: 0 -12px; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  font-family: var(--font-sans);
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: #0B0C0E;
  border: none;
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
  color: #0B0C0E;
  box-shadow: 0 0 22px rgba(198, 161, 91, 0.4);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
}
.btn-outline:hover {
  background: rgba(198, 161, 91, 0.12);
  color: var(--gold-light);
  box-shadow: 0 0 18px rgba(198, 161, 91, 0.18);
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 38px; font-size: 16px; }
.btn:active { transform: translateY(0) scale(0.98); }

/* 徽章 */
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(198, 161, 91, 0.16);
  border: 1px solid rgba(198, 161, 91, 0.3);
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* 头部导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(11, 12, 14, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(198, 161, 91, 0.1);
  transition: background var(--transition);
}
.site-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
  opacity: 0.4;
  pointer-events: none;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  display: inline-block;
  width: 9px;
  height: 9px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  transform: rotate(45deg);
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(198, 161, 91, 0.4);
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.08em;
  color: var(--text-body);
  font-weight: 600;
  line-height: 1;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-item {
  position: relative;
  display: inline-block;
  padding: 10px 16px;
  color: rgba(232, 227, 217, 0.72);
  font-size: 15px;
  font-weight: 400;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-item:hover {
  color: var(--gold-light);
  background: rgba(198, 161, 91, 0.06);
}
.nav-item.active {
  color: var(--gold);
  font-weight: 500;
}
.nav-item.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-light), var(--gold-dark));
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(198, 161, 91, 0.55);
}
.nav-cta {
  margin-left: 12px;
  padding: 10px 22px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  background: rgba(198, 161, 91, 0.08);
  border: 1px solid var(--gold-border);
  border-radius: 6px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
  transition: all 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 12, 14, 0.7) 0%, rgba(11, 12, 14, 0.55) 40%, rgba(11, 12, 14, 0.8) 100%);
  z-index: 1;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-primary) 0%, transparent 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  padding-top: 20px;
}
.hero-eyebrow {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid var(--gold-border);
  background: rgba(11, 12, 14, 0.55);
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.12em;
  border-radius: 999px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-title {
  font-size: 42px;
  line-height: 1.28;
  color: var(--text-body);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.hero-title em {
  font-style: normal;
  color: var(--gold-light);
}
.hero-subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-trustbar {
  position: relative;
  z-index: 3;
  margin-top: 60px;
  border-top: 1px solid rgba(198, 161, 91, 0.18);
  padding-top: 28px;
}
.trustbar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trustbar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(232, 227, 217, 0.6);
  font-size: 14px;
}
.trustbar-item i {
  color: var(--gold);
  font-size: 20px;
}

/* 通用section */
.section {
  padding: 92px 0;
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.section-title {
  font-size: 30px;
  line-height: 1.3;
  color: var(--text-body);
  margin-bottom: 12px;
}
.section-desc {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.7;
}

/* 核心服务 / 爆款网格 */
.services-section {
  background: var(--bg-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--gold-border);
}
.service-card.featured {
  grid-column: span 2;
}
.service-card .card-cover {
  position: relative;
  overflow: hidden;
  background: var(--bg-surface);
  aspect-ratio: 16 / 9;
}
.service-card .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.service-card:hover .card-cover img {
  transform: scale(1.03);
}
.service-card .card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(11, 12, 14, 0.8);
  backdrop-filter: blur(4px);
}
.card-body {
  padding: 24px;
}
.card-body h3 {
  font-size: 20px;
  color: var(--text-body);
  margin-bottom: 10px;
  line-height: 1.4;
}
.card-body p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--gold);
  font-weight: 500;
  transition: gap var(--transition), color var(--transition);
}
.card-link:hover {
  color: var(--gold-light);
  gap: 10px;
}
.service-card.featured .featured-inner {
  display: flex;
  height: 100%;
  flex-direction: column;
}
.service-card.featured .card-cover {
  aspect-ratio: 16 / 7;
}

/* 评价轮播 */
.testimonials-section {
  background: var(--bg-surface);
  position: relative;
  overflow: hidden;
}
.testimonials-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-border), transparent);
}
.testimonial-wrap {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}
.testimonial-quote-icon {
  text-align: center;
  margin-bottom: 24px;
}
.testimonial-quote-icon i {
  font-size: 72px;
  color: var(--gold);
  opacity: 0.35;
  line-height: 1;
}
.testimonial-text {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-body);
  text-align: center;
  margin-bottom: 28px;
  font-family: var(--font-serif);
  letter-spacing: 0.01em;
}
.testimonial-author {
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}
.testimonial-author strong {
  display: block;
  color: var(--gold-light);
  font-size: 16px;
  margin-bottom: 4px;
}
.testimonial-stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 18px;
}
.testimonial-stars i {
  color: var(--gold);
  font-size: 16px;
}
.orbit { background: transparent !important; }
.orbit-container { background: transparent !important; }
.orbit-slide { display: flex; justify-content: center; }
.orbit-previous, .orbit-next {
  color: var(--gold) !important;
  font-size: 24px !important;
  background: rgba(11, 12, 14, 0.4) !important;
  border-radius: 50%;
  width: 44px !important;
  height: 44px;
}
.orbit-previous:hover, .orbit-next:hover {
  color: var(--gold-light) !important;
  background: rgba(198, 161, 91, 0.12) !important;
}
.orbit-bullets button {
  background: var(--gold-dark) !important;
  width: 10px !important;
  height: 10px !important;
  border-radius: 50%;
  opacity: 0.5;
  transition: opacity var(--transition), transform var(--transition);
  margin: 0 6px;
}
.orbit-bullets button.is-active {
  background: var(--gold) !important;
  opacity: 1;
  transform: scale(1.2);
}

/* 保障条 */
.trust-section {
  background: var(--bg-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.trust-item {
  text-align: center;
  padding: 36px 24px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-card);
  transition: border-color var(--transition), transform var(--transition);
}
.trust-item:hover {
  border-color: var(--gold-border);
  transform: translateY(-2px);
}
.trust-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold-border);
  border-radius: 50%;
  color: var(--gold);
  font-size: 22px;
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
}
.trust-item:hover .trust-icon {
  color: var(--gold-light);
  border-color: var(--gold);
  transform: scale(1.06);
}
.trust-item h3 {
  font-size: 17px;
  color: var(--text-body);
  margin-bottom: 8px;
}
.trust-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 最新动态 */
.updates-section {
  background: var(--bg-primary);
}
.updates-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.update-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-card);
  padding: 28px 26px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.update-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--gold-border);
}
.update-card .badge {
  align-self: flex-start;
  margin-bottom: 16px;
}
.update-card h3 {
  font-size: 18px;
  line-height: 1.45;
  color: var(--text-body);
  margin-bottom: 12px;
  font-weight: 500;
}
.update-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}
.update-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.update-time {
  color: var(--text-muted);
  font-size: 13px;
}
.update-link {
  color: var(--gold);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.update-link:hover {
  color: var(--gold-light);
}
.empty-state {
  border: 1px dashed rgba(198, 161, 91, 0.4);
  border-radius: var(--radius-card);
  padding: 52px 24px;
  text-align: center;
  color: var(--text-muted);
  background: rgba(21, 22, 26, 0.4);
  font-size: 15px;
  grid-column: 1 / -1;
}
.empty-state i {
  font-size: 32px;
  color: var(--gold);
  opacity: 0.5;
  display: block;
  margin-bottom: 14px;
}

/* FAQ */
.faq-section {
  background: var(--bg-surface);
}
.accordion {
  max-width: 820px;
  margin: 0 auto;
  background: transparent !important;
}
.accordion-item {
  background: var(--bg-card) !important;
  border: 1px solid rgba(255, 255, 255, 0.05) !important;
  border-radius: var(--radius-card) !important;
  margin-bottom: 16px !important;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.accordion-item:hover {
  border-color: var(--gold-border) !important;
}
.accordion-item.is-active {
  border-color: var(--gold-border) !important;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.3);
}
.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px !important;
  background: var(--bg-card) !important;
  color: var(--text-body) !important;
  font-size: 16px;
  font-weight: 500;
  font-family: var(--font-sans);
  transition: color var(--transition);
  border-radius: var(--radius-card) !important;
}
.accordion-title:hover,
.accordion-title:focus {
  background: var(--bg-card) !important;
  color: var(--gold-light) !important;
}
.accordion-title .fa-plus {
  color: var(--gold);
  font-size: 14px;
  transition: transform 0.3s ease;
}
.accordion-item.is-active .accordion-title .fa-plus {
  transform: rotate(45deg);
}
.accordion-content {
  background: var(--bg-surface) !important;
  border-left: 3px solid var(--gold) !important;
  padding: 4px 28px 22px !important;
}
.accordion-content p {
  color: var(--text-muted);
  font-size: 15px;
}

/* CTA */
.cta-section {
  position: relative;
  background: linear-gradient(135deg, #0B0C0E 0%, #1D1A14 50%, #0B0C0E 100%);
  padding: 110px 0;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-light), transparent);
}
.cta-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, rgba(198, 161, 91, 0.05) 0%, transparent 100%);
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}
.cta-title {
  font-size: 32px;
  color: var(--text-body);
  margin-bottom: 14px;
  font-family: var(--font-serif);
}
.cta-desc {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-contact {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-muted);
}
.cta-contact i {
  color: var(--gold);
  margin-right: 6px;
}

/* 页脚 */
.site-footer {
  background: #08090B;
  border-top: 1px solid rgba(198, 161, 91, 0.15);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  margin-bottom: 18px;
}
.footer-brand .logo-text {
  font-size: 20px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
}
.footer-title {
  font-size: 15px;
  color: var(--text-body);
  font-weight: 500;
  margin-bottom: 20px;
  font-family: var(--font-sans);
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(162, 154, 142, 0.85);
  font-size: 14px;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}
.footer-contact li {
  color: rgba(162, 154, 142, 0.85);
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  color: var(--gold);
  width: 18px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(162, 154, 142, 0.6);
}

/* 滚动入场 */
.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-content {
  animation: fadeInUp 0.8s ease both;
}

/* 响应式 */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card.featured { grid-column: span 2; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .updates-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 36px; }
}
@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(11, 12, 14, 0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--gold-border);
  }
  .main-nav.open { display: flex; }
  .nav-item {
    padding: 12px 14px;
    border-radius: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }
  .nav-item.active::after {
    display: none;
  }
  .nav-cta { margin: 10px 0 0; justify-content: center; }
  .hero { min-height: 75vh; padding: 120px 0 60px; }
  .hero-title { font-size: 30px; line-height: 1.35; }
  .hero-subtitle { font-size: 15px; }
  .trustbar-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card.featured { grid-column: span 1; }
  .service-card.featured .featured-inner { flex-direction: column; }
  .service-card.featured .card-cover { aspect-ratio: 16/9; }
  .trust-grid { grid-template-columns: 1fr; }
  .updates-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-section { padding: 70px 0; }
  .cta-title { font-size: 26px; }
  .hero-actions .btn { width: 100%; }
  .cta-actions .btn { width: 100%; }
  .accordion-title { font-size: 15px; padding: 18px 20px !important; }
  .accordion-content { padding: 4px 20px 16px !important; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-content, .reveal { animation: none !important; opacity: 1; transform: none; transition: none; }
  .service-card, .update-card, .trust-item { transition: none; }
}

/* roulang page: category1 */
:root{
  --bg-primary:#0B0C0E;
  --bg-card:#15161A;
  --bg-surface:#1D1F24;
  --gold:#C6A15B;
  --gold-light:#E3C382;
  --gold-dark:#8E6D3B;
  --text-main:#E8E3D9;
  --text-muted:#A29A8E;
  --border-gold:rgba(198,161,91,0.25);
  --border-dark:#3A3D42;
  --radius-card:10px;
  --radius-btn:6px;
  --radius-badge:999px;
  --shadow-card:0 2px 10px rgba(0,0,0,0.4);
  --shadow-hover:0 10px 28px rgba(0,0,0,0.55),0 0 0 1px rgba(198,161,91,0.25);
  --transition:0.25s ease;
  --space-section:90px;
  --max-width:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.7;color:var(--text-main);
  background:var(--bg-primary);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--gold-light)}
button,input,select,textarea{font-family:inherit}
ul,ol{list-style:none}
.grid-container{max-width:var(--max-width);margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(11,12,14,0.88);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(198,161,91,0.25);
  transition:box-shadow var(--transition);
}
.site-header.scrolled{box-shadow:0 4px 30px rgba(0,0,0,0.55)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{width:10px;height:28px;background:linear-gradient(180deg,var(--gold-light),var(--gold-dark));border-radius:2px;display:inline-block}
.logo-text{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;font-size:22px;font-weight:700;letter-spacing:.08em;color:var(--text-main)}
.logo-text:hover{color:var(--gold)}
.main-nav{display:flex;align-items:center;gap:26px}
.nav-item{position:relative;font-size:15px;color:rgba(232,227,217,0.72);padding:8px 2px;letter-spacing:.02em;transition:color var(--transition)}
.nav-item::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--gold-light),var(--gold));box-shadow:0 0 12px rgba(198,161,91,0.55);transition:width var(--transition)}
.nav-item:hover{color:var(--gold)}
.nav-item.active{color:var(--gold)}
.nav-item.active::after{width:100%}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:500;padding:10px 24px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;transition:all var(--transition);line-height:1.4;
}
.btn-gold{background:var(--gold);color:#0B0C0E;border-color:var(--gold)}
.btn-gold:hover{background:var(--gold-light);color:#0B0C0E;box-shadow:0 0 20px rgba(198,161,91,0.35)}
.btn-outline{background:transparent;color:var(--gold);border-color:rgba(198,161,91,0.55)}
.btn-outline:hover{background:rgba(198,161,91,0.12);color:var(--gold-light);border-color:var(--gold)}
.btn-large{padding:14px 36px;font-size:16px}
.btn:focus-visible,.nav-item:focus-visible,a:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;flex-direction:column;gap:5px}
.nav-toggle span{width:24px;height:2px;background:var(--gold);border-radius:2px;transition:all var(--transition)}

/* Breadcrumb */
.breadcrumb-wrap{padding-top:112px;background:linear-gradient(180deg,rgba(198,161,91,0.08),transparent)}
.breadcrumb{font-size:14px;color:var(--text-muted);padding:16px 0}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .separator{margin:0 10px;color:var(--gold-dark)}

/* Page Hero */
.page-hero{
  position:relative;min-height:420px;display:flex;align-items:center;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,12,14,0.92) 0%,rgba(11,12,14,0.75) 55%,rgba(11,12,14,0.55) 100%);}
.page-hero .hero-content{position:relative;z-index:2;padding-top:80px;padding-bottom:80px;max-width:760px}
.page-hero h1{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  font-size:44px;font-weight:700;line-height:1.3;color:var(--text-main);margin-bottom:16px;
  letter-spacing:.04em;
}
.page-hero .hero-sub{font-size:17px;color:rgba(232,227,217,0.82);max-width:560px;margin-bottom:30px;line-height:1.8}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(198,161,91,0.15);border:1px solid var(--border-gold);
  color:var(--gold);font-size:13px;letter-spacing:.06em;
  padding:4px 14px;border-radius:var(--radius-badge);margin-bottom:18px;
}

/* Two-col story */
.story-section{padding:var(--space-section) 0;background:var(--bg-primary)}
.story-section:nth-of-type(even){background:var(--bg-card)}
.story-grid{display:flex;align-items:center;gap:60px;flex-wrap:wrap}
.story-media{flex:1 1 46%;position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card)}
.story-media img{width:100%;height:380px;object-fit:cover;transition:transform .5s ease}
.story-media:hover img{transform:scale(1.03)}
.story-media::after{content:"";position:absolute;inset:0;border:1px solid var(--border-gold);border-radius:var(--radius-card);pointer-events:none}
.story-content{flex:1 1 44%}
.story-content .eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.1em;color:var(--gold);
  border:1px solid var(--border-gold);border-radius:var(--radius-badge);
  padding:4px 14px;margin-bottom:18px;background:rgba(198,161,91,0.06);
}
.story-content h2{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  font-size:30px;font-weight:700;color:var(--text-main);margin-bottom:18px;line-height:1.4;
}
.story-content p{color:var(--text-muted);margin-bottom:16px;line-height:1.85;text-align:justify}
.story-feats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.story-feats li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-main)}
.story-feats i{color:var(--gold);font-size:14px;width:20px;height:20px;border:1px solid var(--border-gold);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(198,161,91,0.08)}

/* Stats bar */
.stats-section{padding:64px 0;background:linear-gradient(135deg,#111214,#1A1B1E)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-item{padding:24px 16px;border-right:1px solid rgba(198,161,91,0.14)}
.stat-item:last-child{border-right:none}
.stat-num{
  font-family:"Noto Serif SC",serif;font-size:40px;font-weight:700;color:var(--gold);
  line-height:1.2;margin-bottom:6px;
}
.stat-label{font-size:14px;color:var(--text-muted);letter-spacing:.04em}

/* Values cards */
.values-section{padding:var(--space-section) 0;background:var(--bg-primary)}
.section-header{text-align:center;margin-bottom:48px}
.section-header .eyebrow{font-size:13px;letter-spacing:.12em;color:var(--gold);margin-bottom:10px;display:block}
.section-header h2{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  font-size:32px;font-weight:700;color:var(--text-main);margin-bottom:14px;
}
.section-header p{color:var(--text-muted);max-width:620px;margin:0 auto;font-size:15px}
.values-grid{display:flex;gap:24px;padding-top:8px}
.value-card{
  flex:1;background:var(--bg-card);border:1px solid var(--border-dark);
  border-radius:var(--radius-card);padding:32px 28px;transition:all var(--transition);
  box-shadow:var(--shadow-card);
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-gold)}
.value-icon{
  width:54px;height:54px;border-radius:12px;border:1px solid var(--border-gold);
  display:flex;align-items:center;justify-content:center;font-size:21px;color:var(--gold);
  background:rgba(198,161,91,0.08);margin-bottom:20px;
}
.value-card h3{font-family:"Noto Serif SC",serif;font-size:20px;color:var(--text-main);margin-bottom:12px}
.value-card p{font-size:14px;color:var(--text-muted);line-height:1.75}

/* Timeline */
.timeline-section{padding:var(--space-section) 0;background:var(--bg-card)}
.timeline{max-width:820px;margin:0 auto;position:relative;padding-left:44px}
.timeline::before{content:"";position:absolute;left:16px;top:6px;bottom:6px;width:1px;background:rgba(198,161,91,0.35)}
.timeline-item{position:relative;padding-bottom:36px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-37px;top:6px;width:11px;height:11px;border-radius:50%;
  background:var(--bg-card);border:2px solid var(--gold);box-shadow:0 0 12px rgba(198,161,91,0.4);
}
.timeline-year{font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700;color:var(--gold);letter-spacing:.05em;margin-bottom:6px}
.timeline-title{font-size:16px;color:var(--text-main);font-weight:600;margin-bottom:6px}
.timeline-desc{font-size:14px;color:var(--text-muted);line-height:1.75}

/* CTA */
.cta-section{
  position:relative;padding:84px 0;background:linear-gradient(120deg,#14100A,#1A1510 50%,#241D12);
  overflow:hidden;text-align:center;
}
.cta-section::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.cta-section::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 30% 80%,rgba(198,161,91,0.18),transparent 60%)}
.cta-content{position:relative;z-index:2}
.cta-content h2{
  font-family:"Noto Serif SC",serif;font-size:34px;font-weight:700;color:var(--text-main);
  margin-bottom:16px;letter-spacing:.03em;
}
.cta-content p{color:rgba(232,227,217,0.78);max-width:600px;margin:0 auto 30px;font-size:16px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Footer */
.site-footer{background:#0A0B0D;border-top:1px solid var(--gold);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.2fr .9fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-muted);line-height:1.75;max-width:280px}
.footer-title{font-family:"Noto Serif SC",serif;font-size:16px;color:var(--text-main);margin-bottom:16px;letter-spacing:.04em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-muted);transition:color var(--transition)}
.footer-links a:hover{color:var(--gold)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-muted);margin-bottom:12px}
.footer-contact i{color:var(--gold);margin-top:5px;width:14px;text-align:center;font-size:13px}
.footer-contact a{color:var(--text-muted)}
.footer-contact a:hover{color:var(--gold)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.07);padding:20px 0;text-align:center}
.footer-bottom p{font-size:13px;color:#7A7368;font-family:"Noto Serif SC",serif;letter-spacing:.04em}

/* Fade up */
.fade-up{opacity:0;transform:translateY(8px);transition:opacity .6s ease,transform .6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
  .fade-up{opacity:1;transform:none}
}

/* Responsive */
@media screen and (max-width:1024px){
  :root{--space-section:64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:768px){
  .header-inner{height:64px}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;background:rgba(11,12,14,0.97);
    flex-direction:column;align-items:flex-start;padding:20px 24px 28px;
    gap:6px;box-shadow:0 20px 40px rgba(0,0,0,0.6);
    transform:translateX(110%);transition:transform .35s ease;
    border-bottom:1px solid var(--border-gold);
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav .nav-item{width:100%;padding:12px 0;border-bottom:1px solid rgba(198,161,91,0.08);font-size:16px}
  .main-nav .nav-item::after{display:none}
  .nav-cta{margin-top:12px;width:100%;justify-content:center}
  .nav-toggle{display:inline-flex}
  .page-hero{min-height:360px}
  .page-hero h1{font-size:30px}
  .page-hero .hero-sub{font-size:15px}
  .breadcrumb-wrap{padding-top:104px}
  .story-grid{gap:36px}
  .story-media img{height:260px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-item{border-right:none;border-bottom:1px solid rgba(198,161,91,0.1)}
  .values-grid{flex-direction:column}
  .cta-section{padding:64px 0}
  .cta-content h2{font-size:26px}
  .timeline{padding-left:36px}
  .timeline-item::before{left:-30px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section-header h2{font-size:24px}
  .story-content h2{font-size:24px}
}
@media screen and (max-width:520px){
  :root{--space-section:50px}
  .grid-container{padding:0 18px}
  .stats-grid{grid-template-columns:1fr}
  .hero-btns{flex-direction:column}
  .btn-large{width:100%}
  .story-feats{grid-template-columns:1fr}
  .page-hero h1{font-size:26px}
  .page-hero .hero-sub{font-size:14px}
}

/* roulang page: article */
:root {
    --bg-primary: #0B0C0E;
    --bg-card: #15161A;
    --bg-surface: #1D1F24;
    --gold: #C6A15B;
    --gold-light: #E3C382;
    --gold-dark: #8E6D3B;
    --text-primary: #E8E3D9;
    --text-secondary: #A29A8E;
    --border-gold: rgba(198,161,91,0.25);
    --border-subtle: rgba(255,255,255,0.06);
    --radius-card: 10px;
    --radius-btn: 6px;
    --radius-badge: 999px;
    --shadow-card: 0 2px 10px rgba(0,0,0,0.4);
    --shadow-hover: 0 10px 28px rgba(0,0,0,0.55), 0 0 0 1px rgba(198,161,91,0.25);
    --transition: 0.25s ease;
    --font-serif: 'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
    --font-sans: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}

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

html{
    scroll-behavior:smooth;
}

body{
    margin:0;
    background:var(--bg-primary);
    color:var(--text-primary);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
}

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

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

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

ul,ol{
    margin:0;
    padding:0;
    list-style:none;
}

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

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

/* ===== Header & Nav ===== */
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(11,12,14,0.92);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border-gold);
}

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

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

.logo-mark{
    width:28px;
    height:28px;
    background:linear-gradient(135deg,var(--gold-light),var(--gold-dark));
    border-radius:4px;
    display:inline-block;
    position:relative;
    flex-shrink:0;
}

.logo-mark::after{
    content:'';
    position:absolute;
    top:6px;
    left:6px;
    right:6px;
    bottom:6px;
    border:1px solid rgba(255,255,255,0.45);
    border-radius:2px;
}

.logo-text{
    font-family:var(--font-serif);
    font-size:20px;
    font-weight:600;
    letter-spacing:0.08em;
    color:var(--text-primary);
    white-space:nowrap;
    transition:color var(--transition);
}

.logo:hover .logo-text{
    color:var(--gold-light);
}

.main-nav{
    display:flex;
    align-items:center;
    gap:28px;
}

.nav-item{
    font-size:15px;
    color:rgba(232,227,217,0.7);
    font-weight:400;
    position:relative;
    padding:6px 0;
    letter-spacing:0.02em;
    transition:color var(--transition);
}

.nav-item::after{
    content:'';
    position:absolute;
    bottom:0;
    left:50%;
    transform:translateX(-50%);
    width:0;
    height:2px;
    background:linear-gradient(90deg,var(--gold),var(--gold-light),var(--gold));
    border-radius:2px;
    box-shadow:0 0 8px rgba(198,161,91,0.6);
    transition:width 0.3s ease;
}

.nav-item:hover{
    color:var(--gold-light);
}

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

.nav-item.active{
    color:var(--gold-light);
}

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

.nav-toggle span{
    display:block;
    width:24px;
    height:2px;
    background:var(--gold);
    border-radius:2px;
    transition:all 0.3s ease;
}

/* ===== Buttons ===== */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    font-size:15px;
    font-weight:500;
    padding:11px 26px;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    transition:all var(--transition);
    text-decoration:none;
    line-height:1.4;
    cursor:pointer;
}

.btn-gold{
    background:linear-gradient(135deg,var(--gold),var(--gold-dark));
    color:#0B0C0E;
    border-color:transparent;
    box-shadow:0 2px 12px rgba(198,161,91,0.25);
}

.btn-gold:hover{
    background:linear-gradient(135deg,var(--gold-light),var(--gold));
    color:#0B0C0E;
    box-shadow:0 4px 20px rgba(198,161,91,0.4);
    transform:translateY(-2px);
}

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

.btn-outline:hover{
    background:rgba(198,161,91,0.12);
    color:var(--gold-light);
    transform:translateY(-2px);
    box-shadow:0 4px 16px rgba(198,161,91,0.2);
}

.btn-lg{
    padding:14px 36px;
    font-size:16px;
}

.btn-sm{
    padding:7px 18px;
    font-size:14px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-section{
    padding:18px 0;
    background:var(--bg-surface);
    border-bottom:1px solid var(--border-subtle);
}

.breadcrumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    font-size:14px;
    color:var(--text-secondary);
}

.breadcrumb a{
    color:var(--text-secondary);
    transition:color var(--transition);
}

.breadcrumb a:hover{
    color:var(--gold-light);
}

.breadcrumb .separator{
    color:var(--gold-dark);
}

.breadcrumb .current{
    color:var(--gold-light);
    max-width:320px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}

/* ===== Article Main ===== */
.article-main{
    padding:50px 0 70px;
    background:var(--bg-primary);
}

.article-card{
    background:var(--bg-card);
    border:1px solid var(--border-subtle);
    border-radius:var(--radius-card);
    padding:42px;
    box-shadow:var(--shadow-card);
}

.article-card h1{
    font-family:var(--font-serif);
    font-size:32px;
    line-height:1.4;
    color:var(--text-primary);
    margin:0 0 18px;
    font-weight:600;
}

.article-meta{
    display:flex;
    flex-wrap:wrap;
    gap:18px;
    padding-bottom:20px;
    margin-bottom:26px;
    border-bottom:1px solid var(--border-gold);
    font-size:14px;
    color:var(--text-secondary);
}

.article-meta .meta-item{
    display:inline-flex;
    align-items:center;
    gap:7px;
}

.article-meta .meta-item i{
    color:var(--gold);
    font-size:15px;
}

.article-summary{
    margin:0 0 30px;
    padding:16px 22px;
    border-left:3px solid var(--gold);
    background:rgba(198,161,91,0.06);
    border-radius:0 8px 8px 0;
    font-size:15px;
    line-height:1.8;
    color:var(--text-secondary);
}

.article-body{
    font-size:16px;
    line-height:1.8;
    color:var(--text-primary);
}

.article-body > *:first-child{
    margin-top:0;
}

.article-body h2{
    font-family:var(--font-serif);
    font-size:25px;
    font-weight:600;
    color:#fff;
    margin:42px 0 18px;
    padding-left:16px;
    border-left:3px solid var(--gold);
}

.article-body h3{
    font-family:var(--font-serif);
    font-size:20px;
    font-weight:600;
    color:var(--gold-light);
    margin:32px 0 14px;
}

.article-body p{
    margin:0 0 20px;
}

.article-body strong{
    color:#fff;
    font-weight:600;
}

.article-body blockquote{
    border-left:4px solid var(--gold);
    background:var(--bg-surface);
    padding:18px 24px;
    margin:28px 0;
    font-style:italic;
    border-radius:0 10px 10px 0;
    color:var(--text-secondary);
}

.article-body ul,
.article-body ol{
    margin:0 0 22px;
    padding-left:22px;
}

.article-body ul li,
.article-body ol li{
    margin-bottom:8px;
    position:relative;
}

.article-body ul li{
    padding-left:6px;
}

.article-body ul li::before{
    content:'';
    position:absolute;
    left:-18px;
    top:0.65em;
    width:8px;
    height:8px;
    background:var(--gold);
    border-radius:50%;
    opacity:0.6;
}

.article-body ol li{
    list-style:decimal;
    list-style-position:outside;
}

.article-body img{
    border-radius:10px;
    margin:26px 0;
    box-shadow:var(--shadow-card);
}

.article-body a{
    color:var(--gold-light);
    text-decoration:underline;
    text-underline-offset:4px;
}

.article-body a:hover{
    color:var(--gold);
}

.article-body table{
    width:100%;
    border-collapse:collapse;
    margin:26px 0;
    background:var(--bg-card);
    border-radius:10px;
    overflow:hidden;
    border:1px solid var(--border-subtle);
}

.article-body table th{
    background:var(--bg-surface);
    color:var(--gold-light);
    font-weight:600;
    padding:12px 16px;
    text-align:left;
    font-size:14px;
}

.article-body table td{
    padding:12px 16px;
    border-top:1px solid var(--border-subtle);
    font-size:15px;
}

.article-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:40px;
    padding-top:28px;
    border-top:1px solid var(--border-subtle);
}

/* ===== Not Found ===== */
.not-found{
    text-align:center;
    padding:70px 30px;
}

.not-found-icon{
    font-size:52px;
    color:var(--gold);
    margin-bottom:20px;
    opacity:0.6;
}

.not-found p{
    font-size:20px;
    color:var(--text-secondary);
    margin-bottom:26px;
}

/* ===== Sidebar ===== */
.sidebar{
    display:flex;
    flex-direction:column;
    gap:24px;
}

.sidebar-card{
    background:var(--bg-card);
    border:1px solid var(--border-subtle);
    border-radius:var(--radius-card);
    padding:26px;
    box-shadow:var(--shadow-card);
}

.sidebar-card h3{
    font-family:var(--font-serif);
    font-size:18px;
    font-weight:600;
    color:var(--gold-light);
    margin:0 0 18px;
    padding-bottom:12px;
    border-bottom:1px solid var(--border-gold);
}

.brand-card p{
    font-size:14px;
    line-height:1.8;
    color:var(--text-secondary);
    margin-bottom:18px;
}

.tag-cloud{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
}

.tag{
    display:inline-block;
    padding:5px 14px;
    font-size:13px;
    color:var(--text-secondary);
    background:var(--bg-surface);
    border-radius:var(--radius-badge);
    border:1px solid var(--border-subtle);
    transition:all var(--transition);
}

.tag:hover{
    color:var(--gold-light);
    border-color:var(--border-gold);
    background:rgba(198,161,91,0.08);
}

.side-post-list li{
    margin-bottom:16px;
}

.side-post-list li:last-child{
    margin-bottom:0;
}

.side-post-list a{
    display:flex;
    gap:14px;
    align-items:flex-start;
}

.side-post-thumb{
    width:64px;
    height:48px;
    border-radius:8px;
    background-size:cover;
    background-position:center;
    flex-shrink:0;
    border:1px solid var(--border-subtle);
    transition:border-color var(--transition);
}

.side-post-list a:hover .side-post-thumb{
    border-color:var(--gold);
}

.side-post-title{
    font-size:14px;
    color:var(--text-primary);
    line-height:1.5;
    display:block;
    margin-bottom:4px;
    transition:color var(--transition);
}

.side-post-list a:hover .side-post-title{
    color:var(--gold-light);
}

.side-post-date{
    font-size:12px;
    color:var(--text-secondary);
}

/* ===== Related Section ===== */
.related-section{
    padding:70px 0 80px;
    background:var(--bg-surface);
    border-top:1px solid var(--border-subtle);
}

.section-head{
    text-align:center;
    margin-bottom:42px;
}

.section-head h2{
    font-family:var(--font-serif);
    font-size:30px;
    font-weight:600;
    color:var(--text-primary);
    margin:0 0 8px;
}

.section-head p{
    font-size:15px;
    color:var(--text-secondary);
    margin:0;
}

.relate-card{
    display:block;
    background:var(--bg-card);
    border:1px solid var(--border-subtle);
    border-radius:var(--radius-card);
    overflow:hidden;
    margin-bottom:24px;
    box-shadow:var(--shadow-card);
    transition:all var(--transition);
    text-decoration:none;
}

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

.relate-cover{
    position:relative;
    overflow:hidden;
    aspect-ratio:16 / 9;
    background:var(--bg-surface);
}

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

.relate-card:hover .relate-cover img{
    transform:scale(1.03);
}

.relate-cover .badge{
    position:absolute;
    top:14px;
    left:14px;
    background:rgba(11,12,14,0.82);
    color:var(--gold-light);
    font-size:12px;
    padding:4px 14px;
    border-radius:var(--radius-badge);
    backdrop-filter:blur(6px);
    border:1px solid var(--border-gold);
}

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

.relate-body h3{
    font-family:var(--font-serif);
    font-size:18px;
    font-weight:600;
    color:var(--text-primary);
    margin:0 0 8px;
    line-height:1.4;
    transition:color var(--transition);
}

.relate-card:hover .relate-body h3{
    color:var(--gold-light);
}

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

/* ===== CTA ===== */
.cta-section{
    padding:90px 0;
    background:linear-gradient(145deg,#0B0C0E 0%,#1D1F24 58%,#15161A 100%);
    position:relative;
    overflow:hidden;
}

.cta-section::before{
    content:'';
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:2px;
    background:linear-gradient(90deg,transparent,var(--gold),transparent);
}

.cta-section::after{
    content:'';
    position:absolute;
    right:-160px;
    top:-160px;
    width:380px;
    height:380px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(198,161,91,0.18),transparent 70%);
    pointer-events:none;
}

.cta-inner{
    text-align:center;
    max-width:680px;
    margin:0 auto;
    position:relative;
    z-index:1;
}

.cta-inner h2{
    font-family:var(--font-serif);
    font-size:34px;
    font-weight:600;
    color:var(--text-primary);
    margin:0 0 14px;
}

.cta-inner p{
    font-size:16px;
    color:var(--text-secondary);
    margin:0 0 32px;
    line-height:1.8;
}

.cta-actions{
    display:flex;
    justify-content:center;
    gap:18px;
    flex-wrap:wrap;
}

/* ===== Footer ===== */
.site-footer{
    background:#0A0B0D;
    border-top:1px solid var(--border-gold);
    padding-top:70px;
}

.footer-grid{
    display:grid;
    grid-template-columns:1.3fr 1fr 1fr 1.1fr;
    gap:40px;
    padding-bottom:50px;
}

.footer-brand .logo{
    margin-bottom:18px;
}

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

.footer-title{
    font-family:var(--font-serif);
    font-size:16px;
    font-weight:600;
    color:var(--gold-light);
    margin:0 0 18px;
    letter-spacing:0.04em;
}

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

.footer-links a{
    font-size:14px;
    color:var(--text-secondary);
    transition:all var(--transition);
    display:inline-block;
}

.footer-links a:hover{
    color:var(--gold-light);
    padding-left:4px;
}

.footer-contact li{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:14px;
    color:var(--text-secondary);
    margin-bottom:12px;
}

.footer-contact i{
    color:var(--gold);
    font-size:15px;
    width:18px;
    text-align:center;
}

.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.06);
    padding:22px 0;
    text-align:center;
}

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

/* ===== Responsive ===== */
@media (max-width: 1023.98px){
    .footer-grid{
        grid-template-columns:1fr 1fr;
        gap:30px;
    }

    .article-card{
        padding:32px;
    }

    .cta-inner h2{
        font-size:30px;
    }
}

@media (max-width: 767.98px){
    .header-inner{
        height:auto;
        min-height:64px;
        padding:10px 0;
        flex-wrap:wrap;
    }

    .logo-text{
        font-size:18px;
    }

    .main-nav{
        display:none;
        width:100%;
        flex-direction:column;
        align-items:flex-start;
        gap:6px;
        padding:16px 0 10px;
        border-top:1px solid var(--border-gold);
        margin-top:8px;
    }

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

    .nav-item{
        width:100%;
        padding:10px 0;
        font-size:15px;
    }

    .nav-item::after{
        display:none;
    }

    .nav-item.active{
        color:var(--gold-light);
        padding-left:10px;
        border-left:2px solid var(--gold);
    }

    .nav-cta{
        margin-top:10px;
        width:100%;
        text-align:center;
    }

    .nav-toggle{
        display:flex;
        margin-left:auto;
    }

    .nav-toggle.active span:nth-child(1){
        transform:translateY(7px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2){
        opacity:0;
    }

    .nav-toggle.active span:nth-child(3){
        transform:translateY(-7px) rotate(-45deg);
    }

    .breadcrumb-section{
        padding:14px 0;
    }

    .breadcrumb .current{
        max-width:220px;
    }

    .article-main{
        padding:32px 0 50px;
    }

    .article-card{
        padding:24px 18px;
    }

    .article-card h1{
        font-size:26px;
    }

    .article-body table{
        font-size:13px;
    }

    .article-body table th,
    .article-body table td{
        padding:8px 10px;
    }

    .related-section{
        padding:50px 0 40px;
    }

    .section-head h2{
        font-size:24px;
    }

    .cta-section{
        padding:60px 0;
    }

    .cta-inner h2{
        font-size:26px;
    }

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

    .cta-actions .btn{
        width:100%;
        max-width:320px;
    }

    .footer-grid{
        grid-template-columns:1fr;
        gap:36px;
    }

    .footer-brand p{
        max-width:100%;
    }
}

@media (max-width: 639.98px){
    .article-card h1{
        font-size:23px;
    }

    .article-meta{
        gap:10px;
        font-size:13px;
    }

    .article-summary{
        font-size:14px;
    }

    .article-actions{
        flex-direction:column;
    }

    .article-actions .btn{
        width:100%;
    }

    .footer-bottom p{
        font-size:12px;
    }
}

/* ===== Reveal Animation ===== */
.reveal{
    opacity:1;
    transform:translateY(0);
    transition:opacity 0.6s ease,transform 0.6s ease;
}

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

    html{
        scroll-behavior:auto;
    }
}

/* roulang page: category2 */
:root {
            --bg-primary: #0B0C0E;
            --bg-card: #15161A;
            --bg-card-2: #1D1F24;
            --gold: #C6A15B;
            --gold-light: #E3C382;
            --gold-dark: #8E6D3B;
            --text-primary: #E8E3D9;
            --text-muted: #A29A8E;
            --gold-border: rgba(198, 161, 91, 0.25);
            --radius-card: 10px;
            --radius-btn: 6px;
            --radius-badge: 999px;
            --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.55);
            --transition: 0.25s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        a:hover {
            color: var(--gold-light);
        }

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

        input,
        textarea {
            font-family: inherit;
        }

        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 14px;
            letter-spacing: 0.12em;
            color: var(--gold);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 0;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--gold-border);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

        .site-header .logo-mark {
            width: 10px;
            height: 10px;
            background: var(--gold);
            transform: rotate(45deg);
            display: inline-block;
            flex-shrink: 0;
        }

        .site-header .logo-text {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--text-primary);
        }

        .site-header .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .site-header .nav-item {
            color: rgba(232, 227, 217, 0.7);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            position: relative;
            transition: color var(--transition);
        }

        .site-header .nav-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light));
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(0.4);
            transition: opacity var(--transition), transform var(--transition);
        }

        .site-header .nav-item:hover {
            color: var(--gold-light);
        }

        .site-header .nav-item:hover::after {
            opacity: 0.5;
            transform: scaleX(0.8);
        }

        .site-header .nav-item.active {
            color: var(--gold);
        }

        .site-header .nav-item.active::after {
            opacity: 1;
            transform: scaleX(1);
            box-shadow: 0 0 12px rgba(198, 161, 91, 0.5);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid transparent;
            line-height: 1.4;
        }

        .btn-gold {
            background: var(--gold);
            color: #0B0C0E;
        }

        .btn-gold:hover {
            background: var(--gold-light);
            color: #0B0C0E;
            box-shadow: 0 4px 20px rgba(198, 161, 91, 0.35);
            transform: translateY(-2px);
        }

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

        .btn-outline:hover {
            background: rgba(198, 161, 91, 0.12);
            color: var(--gold-light);
            border-color: var(--gold-light);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 15px 40px;
            font-size: 16px;
        }

        .site-header .nav-cta {
            padding: 10px 24px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            padding: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--gold);
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 100px 0;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 12, 14, 0.82) 0%, rgba(11, 12, 14, 0.65) 45%, rgba(11, 12, 14, 0.4) 100%);
        }

        .page-hero .grid-container {
            position: relative;
            z-index: 2;
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(198, 161, 91, 0.15);
            border: 1px solid var(--gold-border);
            color: var(--gold);
            padding: 6px 18px;
            border-radius: var(--radius-badge);
            font-size: 14px;
            letter-spacing: 0.06em;
            margin-bottom: 24px;
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 20px;
            max-width: 640px;
        }

        .page-hero .hero-desc {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(232, 227, 217, 0.85);
            max-width: 600px;
            margin-bottom: 36px;
        }

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

        /* ===== Business Grid ===== */
        .business-grid-section {
            background: var(--bg-primary);
            position: relative;
        }

        .business-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .business-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px var(--gold-border);
            border-color: var(--gold-border);
        }

        .business-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: rgba(198, 161, 91, 0.1);
            border: 1px solid var(--gold-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--gold);
            margin-bottom: 20px;
            transition: all var(--transition);
        }

        .business-card:hover .card-icon {
            background: rgba(198, 161, 91, 0.18);
            color: var(--gold-light);
            box-shadow: 0 0 16px rgba(198, 161, 91, 0.2);
        }

        .business-card h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .business-card p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .business-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .business-card .tag {
            font-size: 12px;
            color: var(--gold);
            background: rgba(198, 161, 91, 0.08);
            border: 1px solid var(--gold-border);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
        }

        /* ===== Stats Bar ===== */
        .stats-section {
            background: var(--bg-card);
            border-top: 1px solid var(--gold-border);
            border-bottom: 1px solid var(--gold-border);
            padding: 64px 0;
        }

        .stats-section .stat-item {
            text-align: center;
            padding: 20px 12px;
        }

        .stats-section .stat-number {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stats-section .stat-number span {
            font-size: 24px;
        }

        .stats-section .stat-label {
            font-size: 15px;
            color: var(--text-muted);
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--bg-primary);
        }

        .process-item {
            text-align: center;
            padding: 32px 20px;
            position: relative;
        }

        .process-item .process-step {
            position: absolute;
            top: 24px;
            left: 18px;
            width: 34px;
            height: 34px;
            background: rgba(198, 161, 91, 0.12);
            border: 1px solid var(--gold-border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 15px;
            font-weight: 700;
            color: var(--gold);
        }

        .process-item .process-icon {
            font-size: 32px;
            color: var(--gold);
            margin-bottom: 16px;
            display: block;
        }

        .process-item h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .process-item p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
            margin: 0 auto;
        }

        .process-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-dark);
            font-size: 20px;
            opacity: 0.5;
        }

        /* ===== Advantage ===== */
        .advantage-section {
            background: var(--bg-card);
            border-top: 1px solid var(--gold-border);
            border-bottom: 1px solid var(--gold-border);
        }

        .advantage-card {
            display: flex;
            gap: 14px;
            padding: 24px 18px;
            background: var(--bg-card-2);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-card);
            height: 100%;
            transition: all var(--transition);
        }

        .advantage-card:hover {
            border-color: var(--gold-border);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .advantage-card .adv-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(198, 161, 91, 0.1);
            border: 1px solid var(--gold-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--gold);
        }

        .advantage-card h4 {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .advantage-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

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

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-card);
            margin-bottom: 16px;
            padding: 0 24px;
            transition: border-color var(--transition);
        }

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

        .faq-item.is-active {
            border-color: var(--gold-border);
            background: var(--bg-card-2);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 0;
            text-align: left;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            gap: 20px;
        }

        .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--gold-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 14px;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .faq-item.is-active .faq-toggle {
            transform: rotate(45deg);
            background: rgba(198, 161, 91, 0.15);
        }

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

        .faq-answer-inner {
            padding: 0 0 22px;
            border-left: 2px solid var(--gold);
            padding-left: 20px;
            margin-left: 0;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, #0B0C0E 0%, #1A140B 55%, #14100A 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(198, 161, 91, 0.4), transparent);
        }

        .cta-content {
            text-align: center;
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.35;
        }

        .cta-content p {
            color: var(--text-muted);
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #08090B;
            border-top: 1px solid var(--gold);
            color: var(--text-muted);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr 1.2fr;
            gap: 48px;
            padding: 64px 0 48px;
        }

        .site-footer .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .site-footer .logo-mark {
            width: 10px;
            height: 10px;
            background: var(--gold);
            transform: rotate(45deg);
        }

        .site-footer .logo-text {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--text-primary);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 300px;
        }

        .site-footer .footer-title {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 12px;
        }

        .site-footer .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

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

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

        .site-footer .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color var(--transition), padding-left var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: var(--gold);
            padding-left: 4px;
        }

        .site-footer .footer-contact {
            list-style: none;
            margin: 0;
        }

        .site-footer .footer-contact li {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
        }

        .site-footer .footer-bottom p {
            margin: 0;
            font-size: 14px;
            color: rgba(162, 154, 142, 0.7);
        }

        /* ===== Scroll reveal ===== */
        .reveal {
            opacity: 0;
            transform: translateY(8px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            .reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
            * {
                transition: none !important;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .site-header .nav-toggle {
                display: flex;
            }

            .site-header .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(11, 12, 14, 0.97);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 4px;
                display: none;
                border-bottom: 1px solid var(--gold-border);
            }

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

            .site-header .nav-item {
                padding: 14px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
                text-align: left;
            }

            .site-header .nav-item::after {
                display: none;
            }

            .site-header .nav-item.active {
                color: var(--gold);
                border-left: 2px solid var(--gold);
                padding-left: 12px;
            }

            .site-header .nav-cta {
                margin-top: 16px;
                justify-content: center;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .page-hero {
                min-height: 480px;
                padding: 80px 0;
            }

            .page-hero h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 639px) {
            .section {
                padding: 60px 0;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .page-hero {
                min-height: 420px;
                padding: 60px 0;
                text-align: left;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero .hero-desc {
                font-size: 16px;
            }

            .page-hero .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .page-hero .btn {
                width: 100%;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 48px 0 32px;
            }

            .stats-section .stat-number {
                font-size: 32px;
            }

            .process-item {
                padding: 20px 8px;
            }

            .cta-section {
                padding: 70px 0;
            }

            .cta-content h2 {
                font-size: 28px;
            }

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

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

            .business-card {
                padding: 24px;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --bg-primary: #0B0C0E;
            --bg-card: #15161A;
            --bg-surface: #1D1F24;
            --gold-primary: #C6A15B;
            --gold-light: #E3C382;
            --gold-dark: #8E6D3B;
            --gold-border: rgba(198, 161, 91, 0.25);
            --text-primary: #E8E3D9;
            --text-muted: #A29A8E;
            --text-dark: #0B0C0E;
            --radius-card: 10px;
            --radius-btn: 6px;
            --radius-badge: 999px;
            --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(198, 161, 91, 0.25);
            --transition-base: 0.25s ease;
            --container-max: 1200px;
            --section-pad: 96px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::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-primary);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--gold-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--gold-light);
        }

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

        ul,
        ol {
            list-style: none;
        }

        ::selection {
            background: rgba(198, 161, 91, 0.35);
            color: #fff;
        }

        :focus-visible {
            outline: 2px solid var(--gold-light);
            outline-offset: 2px;
        }

        /* ===== 容器 ===== */
        .grid-container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 36px;
            font-size: 16px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            line-height: 1.4;
            text-align: center;
            border: 1px solid transparent;
            letter-spacing: 0.02em;
        }

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

        .btn-gold:hover {
            background: var(--gold-light);
            color: var(--text-dark);
            box-shadow: 0 0 24px rgba(227, 195, 130, 0.35);
            transform: translateY(-2px);
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(227, 195, 130, 0.25);
        }

        .btn-outline {
            background: transparent;
            color: var(--gold-primary);
            border-color: rgba(198, 161, 91, 0.5);
        }

        .btn-outline:hover {
            background: rgba(198, 161, 91, 0.1);
            color: var(--gold-light);
            border-color: var(--gold-light);
            transform: translateY(-2px);
        }

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

        .btn-lg {
            padding: 16px 48px;
            font-size: 17px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(198, 161, 91, 0.2);
        }

        .site-header::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -1px;
            height: 1px;
            width: 100%;
            background: linear-gradient(90deg, transparent, rgba(198, 161, 91, 0.4), transparent);
            pointer-events: none;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 24px;
        }

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

        .logo-mark {
            width: 12px;
            height: 12px;
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            transform: rotate(45deg);
            display: block;
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(198, 161, 91, 0.4);
        }

        .logo-text {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--text-primary);
            line-height: 1;
        }

        .logo-text:hover {
            color: var(--gold-light);
        }

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

        .main-nav .nav-item {
            position: relative;
            display: inline-block;
            padding: 10px 18px;
            color: rgba(232, 227, 217, 0.75);
            font-size: 15px;
            font-weight: 400;
            letter-spacing: 0.02em;
            transition: color var(--transition-base);
            border-radius: 4px;
        }

        .main-nav .nav-item:hover {
            color: var(--gold-light);
        }

        .main-nav .nav-item.active {
            color: var(--gold-light);
            font-weight: 500;
        }

        .main-nav .nav-item.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 2px;
            background: linear-gradient(90deg, var(--gold-primary), var(--gold-light));
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(227, 195, 130, 0.5);
        }

        .nav-cta {
            margin-left: 12px;
            padding: 11px 28px;
            font-size: 15px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            padding: 10px;
            z-index: 110;
        }

        .nav-toggle span {
            width: 26px;
            height: 2px;
            background: var(--gold-primary);
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .nav-toggle:hover span {
            background: var(--gold-light);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--gold-light);
        }

        .breadcrumb .sep {
            color: var(--gold-dark);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--gold-light);
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: var(--section-pad) 0;
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 56px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--gold-light);
            background: rgba(198, 161, 91, 0.12);
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            border: 1px solid rgba(198, 161, 91, 0.25);
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .section-head.light h2 {
            color: var(--text-primary);
        }

        /* ===== Hero 主视觉 ===== */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            padding: 100px 0 80px;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 12, 14, 0.92) 0%, rgba(11, 12, 14, 0.75) 55%, rgba(11, 12, 14, 0.35) 100%);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            height: 1px;
            width: 100%;
            background: linear-gradient(90deg, var(--gold-primary), transparent);
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 46px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .page-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(232, 227, 217, 0.85);
            margin-bottom: 36px;
        }

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

        /* ===== 时间线 ===== */
        .timeline-section {
            background: var(--bg-primary);
        }

        .timeline {
            position: relative;
            max-width: 900px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 34px;
            top: 0;
            bottom: 0;
            width: 1px;
            background: linear-gradient(180deg, var(--gold-dark), var(--gold-primary), var(--gold-dark));
            opacity: 0.4;
        }

        .timeline-item {
            display: flex;
            gap: 32px;
            padding: 24px 0 40px;
            position: relative;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: 29px;
            top: 40px;
            width: 11px;
            height: 11px;
            background: var(--bg-primary);
            border: 2px solid var(--gold-primary);
            border-radius: 50%;
            z-index: 2;
            box-shadow: 0 0 12px rgba(198, 161, 91, 0.4);
        }

        .timeline-num {
            width: 70px;
            height: 70px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--gold-primary);
            background: var(--bg-card);
            border: 1px solid rgba(198, 161, 91, 0.25);
            border-radius: var(--radius-card);
            position: relative;
            z-index: 1;
        }

        .timeline-content {
            background: var(--bg-card);
            border: 1px solid transparent;
            border-radius: var(--radius-card);
            padding: 28px 32px;
            flex: 1;
            transition: all var(--transition-base);
        }

        .timeline-content:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .timeline-content h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .timeline-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== 图文区块 ===== */
        .feature-section {
            background: var(--bg-card);
            border-top: 1px solid rgba(198, 161, 91, 0.12);
            border-bottom: 1px solid rgba(198, 161, 91, 0.12);
        }

        .feature-block {
            display: flex;
            align-items: center;
            gap: 56px;
            margin-bottom: 80px;
        }

        .feature-block:last-child {
            margin-bottom: 0;
        }

        .feature-block.reversed .feature-img {
            order: 2;
        }

        .feature-block.reversed .feature-text {
            order: 1;
        }

        .feature-img {
            flex: 1;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-surface);
            position: relative;
            min-height: 300px;
        }

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

        .feature-block:hover .feature-img img {
            transform: scale(1.03);
        }

        .feature-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(11, 12, 14, 0.4));
            pointer-events: none;
        }

        .feature-text {
            flex: 1;
        }

        .feature-text .case-badge {
            display: inline-block;
            font-size: 13px;
            color: var(--gold-light);
            background: rgba(198, 161, 91, 0.12);
            border: 1px solid rgba(198, 161, 91, 0.25);
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            margin-bottom: 16px;
        }

        .feature-text h3 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .feature-text p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .feature-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(198, 161, 91, 0.15);
            padding-top: 20px;
        }

        .feature-stat {
            display: flex;
            flex-direction: column;
        }

        .feature-stat strong {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--gold-light);
        }

        .feature-stat span {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== 统计条 ===== */
        .stats-section {
            background: var(--bg-primary);
            padding: 64px 0;
            border-top: 1px solid rgba(198, 161, 91, 0.15);
            border-bottom: 1px solid rgba(198, 161, 91, 0.15);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 32px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid transparent;
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .stat-num {
            display: block;
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 700;
            color: var(--gold-light);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 15px;
            color: var(--text-muted);
        }

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

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-card);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(198, 161, 91, 0.3);
        }

        .faq-item.active {
            border-color: rgba(198, 161, 91, 0.4);
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 24px 32px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            text-align: left;
            position: relative;
            transition: color var(--transition-base);
        }

        .faq-question::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20%;
            height: 60%;
            width: 3px;
            background: var(--gold-primary);
            border-radius: 3px;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .faq-item.active .faq-question::before {
            opacity: 1;
        }

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

        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            position: relative;
            transition: transform 0.4s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--gold-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

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

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

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

        .faq-item.active .faq-icon::after {
            opacity: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            background: var(--bg-surface);
        }

        .faq-answer p {
            padding: 4px 32px 28px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-left: 3px solid var(--gold-primary);
            margin-left: 32px;
            margin-bottom: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            text-align: center;
            background: linear-gradient(135deg, #0B0C0E 0%, #1A1610 50%, #0B0C0E 100%);
            overflow: hidden;
            border-top: 1px solid rgba(198, 161, 91, 0.2);
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(198, 161, 91, 0.15), transparent 70%);
            pointer-events: none;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(198, 161, 91, 0.5), transparent);
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            position: relative;
        }

        .cta-section p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 40px;
            line-height: 1.8;
            position: relative;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #08090B;
            border-top: 1px solid var(--gold-dark);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

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

        .footer-title {
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--gold-primary);
        }

        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-base);
        }

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

        .footer-links li a:hover {
            color: var(--gold-light);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--gold-primary);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
            text-align: center;
        }

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

        /* ===== 滚动动画 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
            html {
                scroll-behavior: auto;
            }
        }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1023px) {
            :root {
                --section-pad: 72px;
            }

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

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

            .feature-block {
                flex-direction: column;
                gap: 32px;
            }

            .feature-block.reversed .feature-img {
                order: 0;
            }

            .feature-block.reversed .feature-text {
                order: 0;
            }

            .feature-img {
                width: 100%;
            }
        }

        @media screen and (max-width: 767px) {
            :root {
                --section-pad: 56px;
            }

            .header-inner {
                min-height: 64px;
            }

            .logo-text {
                font-size: 20px;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                right: -100%;
                width: 80%;
                max-width: 340px;
                height: calc(100vh - 64px);
                background: rgba(13, 14, 16, 0.98);
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 28px;
                gap: 8px;
                transition: right 0.4s ease;
                border-left: 1px solid rgba(198, 161, 91, 0.2);
                box-shadow: -8px 0 30px rgba(0, 0, 0, 0.6);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                z-index: 105;
            }

            .main-nav.open {
                right: 0;
            }

            .main-nav .nav-item {
                width: 100%;
                padding: 14px 0;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }

            .main-nav .nav-item.active::after {
                left: 0;
                right: auto;
                width: 40px;
                bottom: 0;
            }

            .nav-cta {
                margin-left: 0;
                margin-top: 20px;
                width: 100%;
                justify-content: center;
            }

            .nav-toggle.open span:nth-child(1) {
                transform: translateY(8px) rotate(45deg);
            }

            .nav-toggle.open span:nth-child(2) {
                opacity: 0;
            }

            .nav-toggle.open span:nth-child(3) {
                transform: translateY(-8px) rotate(-45deg);
            }

            .page-hero {
                min-height: 360px;
                padding: 64px 0 56px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero p {
                font-size: 15px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-item::before {
                left: 15px;
            }

            .timeline-num {
                width: 52px;
                height: 52px;
                font-size: 18px;
            }

            .timeline-content {
                padding: 20px 22px;
            }

            .timeline-item {
                gap: 20px;
            }

            .feature-text h3 {
                font-size: 22px;
            }

            .feature-stats {
                gap: 20px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

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

            .footer-brand p {
                max-width: 100%;
            }

            .cta-section {
                padding: 72px 0;
            }

            .cta-section h2 {
                font-size: 28px;
            }

            .btn {
                padding: 12px 28px;
                font-size: 15px;
            }

            .btn-lg {
                padding: 14px 36px;
                font-size: 16px;
            }
        }

        @media screen and (max-width: 520px) {
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }

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

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

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

            .faq-question {
                padding: 20px 20px;
            }

            .faq-answer p {
                padding: 2px 20px 22px;
                margin-left: 20px;
            }
        }

/* roulang page: category4 */
:root{
  --bg-primary:#0B0C0E;
  --bg-card:#15161A;
  --bg-surface2:#1D1F24;
  --gold:#C6A15B;
  --gold-light:#E3C382;
  --gold-dark:#8E6D3B;
  --text-body:#E8E3D9;
  --text-muted:#A29A8E;
  --border-gold:rgba(198,161,91,.25);
  --radius-card:10px;
  --radius-btn:6px;
  --radius-badge:999px;
  --shadow-card:0 2px 10px rgba(0,0,0,.4);
  --shadow-hover:0 10px 28px rgba(0,0,0,.55);
  --transition:.25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-primary);
  color:var(--text-body);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  color:#fff;
  line-height:1.35;
  margin:0 0 .6em;
}
p{margin:0 0 1.2em}
a{color:var(--gold);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--gold-light)}
img{max-width:100%;height:auto;display:block}
ul,ol{padding:0;margin:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}

.grid-container{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.site-header{
  position:fixed;
  top:0;left:0;width:100%;
  z-index:1000;
  background:rgba(11,12,14,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--gold-dark);
  box-shadow:0 2px 18px rgba(0,0,0,.4);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--gold) 30%,var(--gold) 70%,transparent);
  position:relative;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:10px;height:28px;
  background:linear-gradient(180deg,var(--gold-light),var(--gold-dark));
  border-radius:2px;
  display:inline-block;
}
.logo-text{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:22px;
  font-weight:700;
  letter-spacing:.08em;
  color:#fff;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-item{
  color:rgba(232,227,217,.75);
  font-size:15px;
  padding:8px 14px;
  border-radius:24px;
  transition:color var(--transition),background var(--transition);
  position:relative;
}
.nav-item:hover{
  color:var(--gold-light);
  background:rgba(198,161,91,.08);
}
.nav-item.active{
  color:var(--gold-light);
  font-weight:500;
}
.nav-item.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:-2px;
  height:2px;
  background:linear-gradient(90deg,var(--gold-light),var(--gold-dark));
  border-radius:2px;
  box-shadow:0 0 8px rgba(198,161,91,.6);
}
.nav-cta{
  margin-left:12px;
}
.btn{
  display:inline-block;
  padding:12px 28px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  text-align:center;
  cursor:pointer;
  transition:all var(--transition);
  border:1px solid transparent;
  line-height:1.4;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#0B0C0E;
  border-color:var(--gold-light);
}
.btn-gold:hover{
  background:linear-gradient(135deg,#f0d49a,var(--gold-light));
  box-shadow:0 0 22px rgba(198,161,91,.4);
  color:#0B0C0E;
  transform:translateY(-2px);
}
.btn-outline{
  background:transparent;
  color:var(--gold-light);
  border:1px solid var(--gold);
}
.btn-outline:hover{
  background:rgba(198,161,91,.1);
  border-color:var(--gold-light);
  color:var(--gold-light);
  box-shadow:0 0 18px rgba(198,161,91,.2);
}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  padding:10px;
  cursor:pointer;
}
.nav-toggle span{
  width:24px;height:2px;
  background:var(--gold-light);
  border-radius:2px;
  transition:all var(--transition);
}
.nav-toggle:hover span{
  background:var(--gold);
}

main{padding-top:73px}

.page-hero{
  position:relative;
  min-height:62vh;
  display:flex;
  align-items:center;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(11,12,14,.88) 30%,rgba(11,12,14,.55) 70%,rgba(198,161,91,.18));
}
.page-hero .hero-content{
  position:relative;
  z-index:2;
  padding:80px 0;
  max-width:780px;
}
.breadcrumb{
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:20px;
  letter-spacing:.02em;
}
.breadcrumb a{
  color:var(--text-muted);
}
.breadcrumb a:hover{
  color:var(--gold-light);
}
.breadcrumb span{
  margin:0 8px;
  color:var(--gold-dark);
}
.page-hero h1{
  font-size:46px;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.hero-sub{
  font-size:19px;
  color:var(--text-body);
  margin-bottom:26px;
  max-width:620px;
  line-height:1.8;
}
.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

.section{
  padding:90px 0;
}
.section-header{
  text-align:center;
  max-width:700px;
  margin:0 auto 56px;
}
.section-header h2{
  font-size:32px;
  position:relative;
  display:inline-block;
  padding-bottom:14px;
  margin-bottom:14px;
}
.section-header h2::after{
  content:"";
  position:absolute;
  bottom:0;left:50%;
  transform:translateX(-50%);
  width:60px;height:2px;
  background:linear-gradient(90deg,var(--gold-dark),var(--gold-light),var(--gold-dark));
  border-radius:2px;
}
.section-header p{
  color:var(--text-muted);
  font-size:16px;
}

.coop-models{
  background:var(--bg-primary);
}
.model-card{
  background:var(--bg-card);
  border:1px solid rgba(255,255,255,.04);
  border-radius:var(--radius-card);
  padding:34px 28px;
  height:100%;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
  position:relative;
  overflow:hidden;
}
.model-card::before{
  content:"";
  position:absolute;
  top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--gold-dark),var(--gold-light));
  opacity:0;
  transition:opacity var(--transition);
}
.model-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--border-gold);
}
.model-card:hover::before{
  opacity:1;
}
.model-icon{
  width:58px;height:58px;
  border:1px solid var(--border-gold);
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--gold);
  font-size:24px;
  margin-bottom:22px;
  transition:all var(--transition);
}
.model-card:hover .model-icon{
  background:rgba(198,161,91,.12);
  box-shadow:0 0 18px rgba(198,161,91,.15);
}
.model-card h3{
  font-size:20px;
  margin-bottom:12px;
}
.model-card p{
  color:var(--text-muted);
  font-size:15px;
  margin-bottom:0;
  line-height:1.75;
}

.coop-process{
  background:linear-gradient(180deg,var(--bg-primary),var(--bg-card));
}
.step-card{
  text-align:center;
  padding:0 18px;
  position:relative;
}
.step-num{
  width:64px;height:64px;
  margin:0 auto 20px;
  border:1px solid var(--gold);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  background:var(--bg-primary);
  box-shadow:0 0 0 6px rgba(198,161,91,.06);
}
.step-num span{
  font-family:"Noto Serif SC",serif;
  font-size:22px;
  color:var(--gold-light);
  font-weight:700;
}
.step-card::after{
  content:"";
  position:absolute;
  top:32px;left:calc(50% + 50px);
  width:calc(100% - 50px);
  height:1px;
  background:linear-gradient(90deg,var(--border-gold),transparent);
}
.step-card:last-child::after{
  display:none;
}
.step-card h3{
  font-size:18px;
  margin-bottom:10px;
}
.step-card p{
  color:var(--text-muted);
  font-size:14px;
  line-height:1.7;
  margin-bottom:0;
}
.step-tag{
  display:inline-block;
  font-size:13px;
  color:var(--gold);
  background:rgba(198,161,91,.08);
  border:1px solid var(--border-gold);
  padding:4px 14px;
  border-radius:var(--radius-badge);
  margin-bottom:16px;
  letter-spacing:.06em;
}

.coop-advantage{
  background:var(--bg-primary);
}
.advantage-media{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  height:100%;
  min-height:360px;
  box-shadow:var(--shadow-card);
}
.advantage-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.advantage-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(0deg,rgba(11,12,14,.5),transparent 50%);
}
.advantage-content{
  padding:20px 0 20px 40px;
}
.advantage-content h2{
  font-size:30px;
  margin-bottom:18px;
}
.advantage-content > p{
  color:var(--text-muted);
  margin-bottom:24px;
  line-height:1.8;
}
.advantage-list li{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.05);
  color:var(--text-body);
  font-size:15px;
}
.advantage-list li:last-child{
  border-bottom:none;
}
.advantage-list li i{
  color:var(--gold);
  font-size:16px;
  width:20px;
  text-align:center;
}
.stats-grid{
  background:var(--bg-card);
  border:1px solid rgba(255,255,255,.04);
  border-radius:var(--radius-card);
  padding:40px 30px;
  margin-top:56px;
  display:flex;
  justify-content:space-around;
  flex-wrap:wrap;
  gap:24px;
}
.stat-item{
  text-align:center;
  flex:1;
  min-width:140px;
}
.stat-num{
  font-family:"Noto Serif SC",serif;
  font-size:40px;
  font-weight:700;
  color:var(--gold-light);
  line-height:1.2;
  letter-spacing:.02em;
}
.stat-label{
  color:var(--text-muted);
  font-size:14px;
  margin-top:8px;
  letter-spacing:.04em;
}

.coop-contact{
  background:var(--bg-card);
  position:relative;
  overflow:hidden;
}
.coop-contact::before{
  content:"";
  position:absolute;
  top:-120px;right:-120px;
  width:320px;height:320px;
  background:radial-gradient(circle,rgba(198,161,91,.08),transparent 70%);
}
.contact-info-card{
  background:var(--bg-primary);
  border:1px solid rgba(255,255,255,.04);
  border-radius:var(--radius-card);
  padding:36px 32px;
  height:100%;
}
.contact-info-card h3{
  font-size:22px;
  margin-bottom:20px;
}
.contact-item{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.contact-item:last-child{
  border-bottom:none;
}
.contact-item i{
  color:var(--gold);
  font-size:18px;
  margin-top:4px;
  width:20px;
  text-align:center;
}
.contact-item .label{
  display:block;
  color:var(--text-muted);
  font-size:13px;
  margin-bottom:4px;
}
.contact-item .value{
  color:var(--text-body);
  font-size:15px;
}
.form-card{
  background:var(--bg-primary);
  border:1px solid var(--border-gold);
  border-radius:var(--radius-card);
  padding:36px 32px;
  box-shadow:var(--shadow-card);
}
.form-card h3{
  font-size:22px;
  margin-bottom:8px;
}
.form-card > p{
  color:var(--text-muted);
  font-size:14px;
  margin-bottom:24px;
}
.form-group{
  margin-bottom:20px;
}
.form-group label{
  display:block;
  font-size:14px;
  color:var(--text-body);
  margin-bottom:8px;
  font-weight:500;
}
.form-group input,
.form-group select,
.form-group textarea{
  width:100%;
  background:var(--bg-card);
  border:1px solid #3A3D42;
  border-radius:var(--radius-btn);
  color:var(--text-body);
  padding:12px 16px;
  font-size:15px;
  transition:border-color var(--transition),box-shadow var(--transition);
  outline:none;
}
.form-group textarea{
  min-height:110px;
  resize:vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  border-color:var(--gold);
  box-shadow:0 0 0 2px rgba(198,161,91,.2);
}
.form-group input::placeholder,
.form-group textarea::placeholder{
  color:rgba(162,154,142,.5);
}
.btn-submit{
  width:100%;
  padding:14px 28px;
  font-size:16px;
  margin-top:6px;
}

.faq-section{
  background:var(--bg-primary);
}
.accordion{
  max-width:860px;
  margin:0 auto;
  background:transparent;
}
.accordion-item{
  background:var(--bg-card);
  border:1px solid rgba(255,255,255,.04);
  border-radius:var(--radius-card);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color var(--transition);
}
.accordion-item:hover{
  border-color:var(--border-gold);
}
.accordion-title{
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:var(--bg-card);
  color:var(--text-body);
  font-size:16px;
  font-weight:600;
  padding:22px 26px;
  cursor:pointer;
  position:relative;
  transition:color var(--transition);
}
.accordion-title:hover,
.accordion-title:focus{
  color:var(--gold-light);
}
.accordion-title::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:0;
  background:var(--gold);
  transition:height var(--transition);
}
.accordion-item.is-active .accordion-title::before{
  height:28px;
}
.accordion-title::after{
  content:"+";
  font-size:28px;
  color:var(--gold);
  font-weight:300;
  transition:transform var(--transition);
  flex-shrink:0;
}
.accordion-item.is-active .accordion-title::after{
  transform:rotate(45deg);
}
.accordion-content{
  display:none;
  padding:0 26px 24px;
}
.accordion-item.is-active .accordion-content{
  display:block;
}
.accordion-content p{
  color:var(--text-muted);
  font-size:15px;
  margin:0;
  line-height:1.8;
}
.accordion-content .inner{
  border-left:2px solid var(--gold-dark);
  padding-left:18px;
}

.cta-section{
  position:relative;
  background:linear-gradient(135deg,#0B0C0E 0%,#1a1510 60%,#0B0C0E 100%);
  padding:90px 0;
  text-align:center;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  top:0;left:0;width:100%;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold) 50%,transparent);
}
.cta-section::after{
  content:"";
  position:absolute;
  bottom:0;left:0;width:100%;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold) 50%,transparent);
}
.cta-section h2{
  font-size:36px;
  margin-bottom:16px;
}
.cta-section p{
  color:var(--text-muted);
  font-size:16px;
  max-width:520px;
  margin:0 auto 36px;
}
.cta-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}

.site-footer{
  background:#0a0a0c;
  border-top:1px solid var(--gold-dark);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 48px;
}
.footer-brand .logo{
  margin-bottom:18px;
}
.footer-brand p{
  color:var(--text-muted);
  font-size:14px;
  line-height:1.8;
  margin-bottom:0;
  max-width:320px;
}
.footer-title{
  font-size:16px;
  color:#fff;
  margin-bottom:20px;
  position:relative;
  padding-bottom:10px;
}
.footer-title::after{
  content:"";
  position:absolute;
  bottom:0;left:0;
  width:30px;height:2px;
  background:var(--gold);
}
.footer-links li{
  margin-bottom:12px;
}
.footer-links a{
  color:var(--text-muted);
  font-size:14px;
  transition:color var(--transition),padding-left var(--transition);
}
.footer-links a:hover{
  color:var(--gold-light);
  padding-left:4px;
}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--text-muted);
  font-size:14px;
  margin-bottom:14px;
}
.footer-contact i{
  color:var(--gold);
  width:16px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:22px 0;
  text-align:center;
}
.footer-bottom p{
  margin:0;
  color:rgba(162,154,142,.7);
  font-size:13px;
  letter-spacing:.02em;
}

@media screen and (max-width:1023.98px){
  .page-hero h1{font-size:38px}
  .section-header h2{font-size:28px}
  .advantage-content{padding:0}
  .advantage-media{margin-bottom:32px;min-height:300px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .step-card::after{display:none}
}

@media screen and (max-width:639.98px){
  .header-inner{height:64px}
  main{padding-top:65px}
  .nav-toggle{
    display:flex;
  }
  .main-nav{
    position:fixed;
    top:65px;left:0;right:0;
    background:rgba(11,12,14,.96);
    flex-direction:column;
    align-items:flex-start;
    padding:20px 24px 28px;
    gap:4px;
    border-bottom:1px solid var(--gold-dark);
    transform:translateY(-120%);
    transition:transform .3s ease;
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
  }
  .main-nav.nav-open{
    transform:translateY(0);
  }
  .nav-item{
    width:100%;
    padding:12px 10px;
    border-bottom:1px solid rgba(255,255,255,.04);
    border-radius:0;
    font-size:16px;
  }
  .nav-item.active::after{
    left:10px;right:auto;width:32px;
  }
  .nav-cta{
    margin:16px 0 0;
    width:100%;
    text-align:center;
  }
  .page-hero{
    min-height:55vh;
  }
  .page-hero .hero-content{
    padding:60px 0;
  }
  .page-hero h1{
    font-size:30px;
  }
  .hero-sub{
    font-size:16px;
  }
  .section{
    padding:56px 0;
  }
  .section-header{
    margin-bottom:40px;
  }
  .section-header h2{
    font-size:24px;
  }
  .model-card{
    padding:26px 22px;
  }
  .coop-contact .form-card,
  .coop-contact .contact-info-card{
    padding:26px 22px;
  }
  .stats-grid{
    padding:30px 20px;
    gap:18px;
  }
  .stat-num{
    font-size:32px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
    padding:48px 0 36px;
  }
  .footer-brand p{
    max-width:100%;
  }
  .cta-section{
    padding:64px 0;
  }
  .cta-section h2{
    font-size:28px;
  }
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}