/* roulang page: index */
:root {
  --primary: #1F2326;
  --accent: #C7A46B;
  --accent-dark: #A88954;
  --bg-warm: #F7F3EC;
  --bg-dark: #14171A;
  --text-main: #1F2326;
  --text-secondary: #5A636B;
  --text-white: #FFFFFF;
  --border-light: rgba(31, 35, 38, 0.08);
  --border-accent: rgba(199, 164, 107, 0.2);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-light: 0 1px 3px rgba(31, 35, 38, 0.06), 0 8px 24px rgba(31, 35, 38, 0.04);
  --shadow-accent: 0 4px 20px rgba(199, 164, 107, 0.08);
  --shadow-hover: 0 8px 30px rgba(31, 35, 38, 0.1);
  --transition: 0.25s ease;
  --container-max: 1280px;
  --spacing-section: 100px;
  --spacing-mobile: 56px;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
  --font-sans: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background-color: var(--bg-warm);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
button { border: none; cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }
.container { max-width: var(--container-max); padding: 0 24px; margin: 0 auto; }
@media (max-width: 767px) {
  .container { padding: 0 16px; }
}
h1, h2, h3, h4, h5, h6 { font-family: var(--font-serif); line-height: 1.35; }

/* ===== Buttons ===== */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  font-family: var(--font-sans);
  border-radius: 999px;
  padding: 12px 28px;
  border: 1px solid var(--accent);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.btn-gold::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}
.btn-gold:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(199, 164, 107, 0.3);
}
.btn-gold:hover::after { left: 150%; }
.btn-gold:focus-visible { outline: 3px solid rgba(199, 164, 107, 0.4); outline-offset: 2px; }
.btn-gold.btn-lg { padding: 16px 42px; font-size: 16px; }
.btn-gold.btn-form { width: 100%; height: 48px; margin-top: 8px; }
.btn-gold.btn-nav { padding: 8px 22px; font-size: 14px; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  font-family: var(--font-sans);
  border-radius: 999px;
  padding: 12px 28px;
  border: 1px solid rgba(31, 35, 38, 0.2);
  transition: all var(--transition);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(199, 164, 107, 0.15);
}
.btn-outline:focus-visible { outline: 3px solid rgba(199, 164, 107, 0.3); outline-offset: 2px; }
.btn-outline.btn-lg { padding: 16px 42px; font-size: 16px; }

/* ===== Site Header / Dock Nav ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: 100%;
  max-width: 720px;
  padding: 0 8px;
}
.dock-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(247, 243, 236, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-accent);
  border-radius: 999px;
  padding: 10px 16px 10px 22px;
  box-shadow: 0 4px 24px rgba(31, 35, 38, 0.06);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.site-header.scrolled .dock-nav {
  box-shadow: 0 8px 32px rgba(31, 35, 38, 0.12);
  border-color: rgba(199, 164, 107, 0.3);
}
.brand-logo {
  display: flex;
  align-items: baseline;
  font-family: var(--font-sans);
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 20px;
  flex-shrink: 0;
  margin-right: 12px;
}
.brand-logo .logo-sub {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-left: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition);
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 999px;
  position: relative;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 40%; }
.nav-links a.active { color: var(--accent); font-weight: 600; }
.nav-links a.active::after { width: 40%; }
.nav-toggle {
  display: none;
  background: transparent;
  color: var(--primary);
  font-size: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.nav-toggle:hover { background: rgba(199, 164, 107, 0.15); }
@media (max-width: 767px) {
  .site-header {
    top: 12px;
    width: 92%;
    padding: 0 4px;
  }
  .dock-nav { padding: 8px 14px 8px 18px; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(247, 243, 236, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-accent);
    border-radius: 16px;
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    pointer-events: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(31, 35, 38, 0.1);
  }
  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-links a {
    padding: 12px 16px;
    border-radius: 10px;
    text-align: left;
    font-size: 15px;
  }
  .nav-links a::after { display: none; }
  .nav-links a.active {
    background: rgba(199, 164, 107, 0.12);
  }
  .btn-nav { display: none; }
}

/* ===== Hero Section ===== */
.hero-section {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  background-color: var(--bg-warm);
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: 15%;
  right: 8%;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 1px solid rgba(199, 164, 107, 0.25);
  animation: breathe 6s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.7; }
}
.hero-section .container { position: relative; z-index: 2; }
.hero-wrap { align-items: center; }
.hero-content { padding-right: 24px; }
.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  border: 1px solid var(--border-accent);
  border-radius: 999px;
  padding: 5px 16px;
  margin-bottom: 24px;
  background: rgba(199, 164, 107, 0.06);
}
.hero-content h1 {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
  border-left: 4px solid var(--accent);
  padding-left: 24px;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  animation: fadeUp 0.8s ease both;
}
.hero-content h1 .gold-text { color: var(--accent); }
.hero-subtitle {
  font-size: 18px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 560px;
  animation: fadeUp 0.8s ease both;
  animation-delay: 80ms;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  animation: fadeUp 0.8s ease both;
  animation-delay: 160ms;
}
.hero-metrics {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
  animation: fadeUp 0.8s ease both;
  animation-delay: 240ms;
}
.metric-item {
  display: flex;
  flex-direction: column;
}
.metric-num {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-serif);
  color: var(--primary);
  letter-spacing: 0.04em;
}
.metric-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.hero-visual { position: relative; }
.hero-image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-accent);
  box-shadow: var(--shadow-light);
  position: relative;
  aspect-ratio: 4/3;
  background: #e8e2d8;
}
.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.hero-image-wrap:hover img { transform: scale(1.03); }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 1199px) {
  .hero-content h1 { font-size: 42px; }
  .hero-section { padding-top: 140px; }
}
@media (max-width: 767px) {
  .hero-section { padding: 140px 0 60px; min-height: auto; }
  .hero-content h1 { font-size: 30px; padding-left: 16px; }
  .hero-subtitle { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-gold, .hero-actions .btn-outline { width: 100%; }
  .hero-metrics { gap: 24px; }
  .metric-num { font-size: 22px; }
  .hero-visual { margin-top: 40px; }
  .hero-content { padding-right: 0; }
}

/* ===== Trust Bar ===== */
.trust-bar {
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 28px 0;
  background: #fff;
}
.trust-list {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  align-items: center;
}
.trust-list span {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  white-space: nowrap;
}
.trust-list span::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--accent);
  font-size: 12px;
}
@media (max-width: 767px) {
  .trust-list { gap: 16px; justify-content: flex-start; overflow-x: auto; padding-bottom: 4px; }
  .trust-list span { font-size: 12px; white-space: nowrap; }
}

/* ===== Section Header ===== */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.section-header h2 {
  font-size: 40px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}
.section-header p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}
.section-header.light h2 { color: #fff; }
.section-header.light p { color: rgba(255, 255, 255, 0.7); }
@media (max-width: 767px) {
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 28px; }
}

/* ===== Steps Section ===== */
.steps-section {
  padding: var(--spacing-section) 0;
  background: var(--bg-warm);
}
.steps-grid {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}
.step-item {
  flex: 1;
  text-align: center;
  padding: 40px 28px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-light);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
}
.step-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-accent);
}
.step-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 50px;
  right: -16px;
  width: 32px;
  height: 1px;
  background: var(--border-accent);
}
.step-num {
  font-family: var(--font-serif);
  font-size: 96px;
  font-weight: 700;
  color: rgba(199, 164, 107, 0.6);
  line-height: 1;
  display: block;
  margin-bottom: 12px;
}
.step-item h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}
.step-item p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}
@media (max-width: 767px) {
  .steps-section { padding: var(--spacing-mobile) 0; }
  .steps-grid { flex-direction: column; gap: 24px; }
  .step-item:not(:last-child)::after {
    right: auto;
    top: auto;
    bottom: -12px;
    left: 50%;
    width: 1px;
    height: 24px;
  }
  .step-num { font-size: 64px; }
}

/* ===== Cases Section ===== */
.cases-section {
  padding: var(--spacing-section) 0;
  background: var(--bg-dark);
  position: relative;
}
.cases-section::before {
  content: 'HTH';
  position: absolute;
  top: 60px;
  right: 40px;
  font-family: var(--font-sans);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: rgba(199, 164, 107, 0.04);
  pointer-events: none;
}
.cases-grid { row-gap: 24px; }
.case-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: all var(--transition);
  position: relative;
}
.case-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
  border-color: rgba(199, 164, 107, 0.4);
}
.case-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.case-card:hover img { transform: scale(1.03); }
.case-card-main img { height: 240px; }
.case-content {
  padding: 24px;
}
.case-category {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(199, 164, 107, 0.1);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.case-content h3 {
  font-size: 20px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 8px;
}
.case-content p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin-bottom: 16px;
}
.case-metric {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  border-top: 1px solid var(--border-accent);
  padding-top: 12px;
}
.case-metric span {
  color: var(--accent);
  font-weight: 700;
  font-size: 20px;
  margin-left: 4px;
}
@media (max-width: 991px) {
  .cases-section { padding: 60px 0; }
}
@media (max-width: 767px) {
  .cases-section { padding: var(--spacing-mobile) 0; }
  .case-card img, .case-card-main img { height: 180px; }
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: var(--spacing-section) 0;
  background: var(--bg-warm);
}
.accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.accordion-item {
  background: #fff;
  border: 1px solid var(--border-light) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-light);
  overflow: hidden;
  transition: all var(--transition);
}
.accordion-item:hover {
  border-color: var(--border-accent) !important;
  box-shadow: var(--shadow-hover);
}
.accordion-header {
  margin: 0;
}
.accordion-button {
  background: #fff !important;
  color: var(--text-main) !important;
  font-family: var(--font-sans) !important;
  font-size: 16px !important;
  font-weight: 500 !important;
  padding: 20px 24px !important;
  border: none !important;
  box-shadow: none !important;
  border-radius: var(--radius-md) !important;
  transition: all var(--transition);
  width: 100%;
  text-align: left;
}
.accordion-button:not(.collapsed) {
  color: var(--accent) !important;
  font-weight: 600 !important;
  background: #fff !important;
}
.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(199, 164, 107, 0.15) !important;
  border-color: var(--accent) !important;
}
.accordion-button::after {
  background-image: none !important;
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--accent);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}
.accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}
.accordion-body {
  padding: 0 24px 20px !important;
  color: var(--text-secondary) !important;
  font-size: 15px;
  line-height: 1.8;
  background: #fff !important;
}
@media (max-width: 767px) {
  .faq-section { padding: var(--spacing-mobile) 0; }
  .accordion-button { font-size: 15px !important; padding: 16px 20px !important; }
  .accordion-body { padding: 0 20px 16px !important; }
}

/* ===== CTA Section ===== */
.cta-section {
  padding: var(--spacing-section) 0;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 1px solid rgba(199, 164, 107, 0.12);
}
.cta-section::after {
  content: '';
  position: absolute;
  top: -40px;
  left: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(199, 164, 107, 0.08);
}
.cta-box {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}
.cta-box h2 {
  font-size: 40px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-box > p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 40px;
}
.cta-box h2 .gold-text { color: var(--accent); }
.cta-form {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: left;
  box-shadow: var(--shadow-accent);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  padding: 12px 16px;
  font-size: 15px;
  transition: all var(--transition);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255, 255, 255, 0.35); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(199, 164, 107, 0.15);
  outline: none;
  background: rgba(255, 255, 255, 0.08);
}
.form-group textarea { height: 100px; resize: vertical; }
@media (max-width: 767px) {
  .cta-section { padding: var(--spacing-mobile) 0; }
  .cta-box h2 { font-size: 28px; }
  .cta-form { padding: 24px 20px; }
}

/* ===== News Section ===== */
.news-section {
  padding: var(--spacing-section) 0;
  background: #fff;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-warm);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 28px 32px;
  position: relative;
  transition: all var(--transition);
  align-items: flex-start;
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: var(--border-accent);
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.news-date {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.news-category {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(199, 164, 107, 0.1);
  border-radius: 999px;
  padding: 3px 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.news-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
  font-family: var(--font-sans);
  line-height: 1.5;
  transition: color var(--transition);
}
.news-card:hover h3 { color: var(--accent); }
.news-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-arrow {
  position: absolute;
  bottom: 24px;
  right: 28px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(199, 164, 107, 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all var(--transition);
}
.news-card:hover .news-arrow {
  background: var(--accent);
  color: #fff;
  transform: translateX(4px);
}
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
  font-size: 16px;
  background: var(--bg-warm);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-light);
}
.empty-state i {
  display: block;
  font-size: 36px;
  color: rgba(199, 164, 107, 0.4);
  margin-bottom: 16px;
}
@media (max-width: 767px) {
  .news-section { padding: var(--spacing-mobile) 0; }
  .news-card { padding: 20px; }
  .news-arrow { display: none; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-accent);
  padding: 64px 0 32px;
}
.footer-top {
  display: flex;
  gap: 48px;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.footer-brand {
  flex: 0 0 280px;
}
.footer-brand .brand-logo { color: #fff; margin-bottom: 12px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 8px;
}
.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  font-family: var(--font-sans);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 2.2;
  transition: all var(--transition);
}
.footer-col a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-contact {
  text-align: right;
}
.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 2;
}
.footer-contact p:first-child {
  color: var(--accent);
  font-weight: 600;
}
.footer-bottom {
  border-top: 1px solid var(--border-accent);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
@media (max-width: 767px) {
  .site-footer { padding: 48px 0 24px; }
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-contact { text-align: left; }
  .footer-links { gap: 32px; }
  .footer-brand { flex: 0 0 100%; }
}

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

/* ===== Bootstrap Overrides ===== */
.btn { font-family: var(--font-sans); }
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(199, 164, 107, 0.15);
}

/* roulang page: category1 */
:root {
            --primary: #1F2326;
            --secondary: #C7A46B;
            --secondary-dark: #A88954;
            --bg-light: #F7F3EC;
            --bg-dark: #14171A;
            --text-color: #1F2326;
            --text-muted: #5A636B;
            --text-white: #FFFFFF;
            --border-light: rgba(31, 35, 38, 0.08);
            --border-gold: rgba(199, 164, 107, 0.2);
            --success: #3E8B5A;
            --warning: #B3573D;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 1px 3px rgba(31, 35, 38, 0.06), 0 8px 24px rgba(31, 35, 38, 0.04);
            --shadow-dark: 0 4px 20px rgba(199, 164, 107, 0.08);
            --transition: 0.25s ease;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-color);
            background: var(--bg-light);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

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

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

        /* ===== 浮动Dock导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            display: flex;
            justify-content: center;
            padding: 16px 24px 0;
            pointer-events: none;
        }

        .site-header .dock-nav {
            pointer-events: auto;
            max-width: 760px;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 10px 16px;
            border-radius: 999px;
            background: rgba(247, 243, 236, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-gold);
            box-shadow: 0 4px 24px rgba(31, 35, 38, 0.06);
            transition: box-shadow var(--transition), background var(--transition);
        }

        .site-header.scrolled .dock-nav {
            background: rgba(247, 243, 236, 0.92);
            box-shadow: 0 8px 32px rgba(31, 35, 38, 0.1);
        }

        .brand-logo {
            display: inline-flex;
            align-items: baseline;
            font-family: var(--font-sans);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.12em;
            color: var(--primary);
            white-space: nowrap;
        }

        .brand-logo .logo-sub {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.06em;
            color: var(--secondary-dark);
            margin-left: 2px;
        }

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

        .nav-links a {
            position: relative;
            padding: 6px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-color);
            border-radius: 999px;
            transition: color var(--transition), background var(--transition);
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            transform: translateX(-50%);
            transition: width var(--transition);
        }

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

        .nav-links a.active {
            color: var(--secondary-dark);
            font-weight: 600;
        }

        .nav-links a.active::after {
            width: 20px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--secondary);
            color: var(--text-white);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            position: relative;
            overflow: hidden;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            text-decoration: none;
            border: none;
        }

        .btn-gold:hover {
            background: var(--secondary-dark);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(199, 164, 107, 0.25);
        }

        .btn-gold::after {
            content: "";
            position: absolute;
            top: 0;
            left: -100%;
            width: 60%;
            height: 100%;
            background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.25), transparent);
            transform: skewX(-20deg);
            transition: left 0.5s ease;
        }

        .btn-gold:hover::after {
            left: 150%;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            border: 1px solid rgba(31, 35, 38, 0.25);
            transition: all var(--transition);
            text-decoration: none;
        }

        .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary-dark);
            background: rgba(199, 164, 107, 0.08);
        }

        .btn-nav {
            padding: 8px 18px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--primary);
            font-size: 16px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(199, 164, 107, 0.15);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            padding: 96px 0 0;
            margin-bottom: -16px;
        }

        .breadcrumb-bar .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb-bar .breadcrumb-item+.breadcrumb-item::before {
            content: "/";
            color: rgba(90, 99, 107, 0.6);
            padding: 0 6px;
        }

        .breadcrumb-bar .breadcrumb-item a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }

        .breadcrumb-bar .breadcrumb-item a:hover {
            color: var(--secondary-dark);
        }

        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--secondary-dark);
        }

        /* ===== Hero分类 ===== */
        .hero-category {
            position: relative;
            padding: 96px 0 80px;
            overflow: hidden;
        }

        .hero-category::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(199, 164, 107, 0.1);
            animation: breathe 8s ease-in-out infinite;
        }

        @keyframes breathe {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.6;
            }
            50% {
                transform: scale(1.1);
                opacity: 1;
            }
        }

        .hero-category .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-category .hero-title {
            font-family: var(--font-serif);
            font-size: 54px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
        }

        .hero-category .hero-title .gold {
            color: var(--secondary);
        }

        .hero-category .hero-title-border {
            width: 4px;
            height: 44px;
            background: var(--secondary);
            border-radius: 4px;
            margin-bottom: 28px;
        }

        .hero-category .hero-desc {
            font-size: 18px;
            line-height: 2;
            color: var(--text-muted);
            max-width: 480px;
            margin-bottom: 32px;
        }

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

        .hero-category .hero-media {
            position: relative;
            z-index: 2;
        }

        .hero-category .hero-media .media-frame {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
            background: var(--bg-dark);
        }

        .hero-category .hero-media .media-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .hero-category .hero-media .media-frame:hover img {
            transform: scale(1.03);
        }

        /* ===== 信任条 ===== */
        .trust-bar {
            padding: 28px 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .trust-bar .trust-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .trust-bar .trust-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .trust-bar .trust-list li i {
            color: var(--secondary);
            font-size: 18px;
            width: 24px;
            text-align: center;
        }

        /* ===== 板块通用 ===== */
        .section-pad {
            padding: 96px 0;
        }

        .section-pad-sm {
            padding: 72px 0;
        }

        .section-head {
            margin-bottom: 56px;
            max-width: 640px;
        }

        .section-head .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary-dark);
            background: rgba(199, 164, 107, 0.12);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text-color);
        }

        .section-head p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-muted);
            margin-bottom: 0;
        }

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

        .section-head.light p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 核心优势 ===== */
        .advantage-section {
            background: var(--bg-light);
        }

        .advantage-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }

        .advantage-main,
        .advantage-side .adv-card {
            background: var(--text-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .advantage-main:hover,
        .advantage-side .adv-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(31, 35, 38, 0.1);
            border-color: rgba(199, 164, 107, 0.4);
        }

        .advantage-main .adv-media {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .advantage-main .adv-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .advantage-main:hover .adv-media img {
            transform: scale(1.03);
        }

        .advantage-main .adv-body {
            padding: 32px;
        }

        .advantage-main .adv-body h3 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .advantage-main .adv-body p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .advantage-main .adv-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--secondary-dark);
            text-decoration: none;
        }

        .advantage-main .adv-link i {
            transition: transform var(--transition);
        }

        .advantage-main .adv-link:hover i {
            transform: translateX(4px);
        }

        .advantage-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .advantage-side .adv-card {
            padding: 28px;
            flex: 1;
        }

        .advantage-side .adv-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(199, 164, 107, 0.15);
            color: var(--secondary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .advantage-side .adv-card h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .advantage-side .adv-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 场景区 ===== */
        .scenario-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .scenario-section::after {
            content: "场景";
            position: absolute;
            right: 20px;
            bottom: 20px;
            font-family: var(--font-serif);
            font-size: 120px;
            font-weight: 900;
            color: rgba(199, 164, 107, 0.06);
            line-height: 1;
            pointer-events: none;
        }

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

        .scenario-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: background var(--transition), transform var(--transition);
        }

        .scenario-card:hover {
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-3px);
        }

        .scenario-card .scenario-num {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1;
            margin-bottom: 20px;
        }

        .scenario-card h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .scenario-card p {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 0;
        }

        /* ===== 流程区 ===== */
        .process-section {
            background: var(--bg-light);
        }

        .process-steps {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
        }

        .process-steps::before {
            content: "";
            position: absolute;
            top: 50px;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(199, 164, 107, 0.4), rgba(199, 164, 107, 0.4), transparent);
        }

        .process-step {
            position: relative;
            padding: 0 24px;
            text-align: left;
        }

        .process-step .step-num {
            font-family: var(--font-serif);
            font-size: 96px;
            font-weight: 900;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1px rgba(199, 164, 107, 0.4);
            margin-bottom: 20px;
            display: block;
        }

        .process-step .step-icon {
            position: absolute;
            top: 30px;
            right: 24px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--secondary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            box-shadow: 0 0 0 4px rgba(199, 164, 107, 0.15);
        }

        .process-step h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 数据证明 ===== */
        .stats-section {
            background: var(--primary);
            padding: 80px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .stats-item {
            text-align: center;
            padding: 32px 16px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-gold);
            transition: background var(--transition), transform var(--transition);
        }

        .stats-item:hover {
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-3px);
        }

        .stats-item .stats-num {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stats-item .stats-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

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

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

        .faq-item {
            background: var(--text-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(199, 164, 107, 0.35);
        }

        .faq-item .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: transparent;
            text-align: left;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-color);
            transition: color var(--transition);
        }

        .faq-item .faq-toggle:hover {
            color: var(--secondary-dark);
        }

        .faq-item .faq-toggle .faq-arrow {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(199, 164, 107, 0.12);
            color: var(--secondary-dark);
            font-size: 14px;
            transition: transform var(--transition);
        }

        .faq-item.open .faq-toggle {
            color: var(--secondary-dark);
            font-weight: 600;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-item .faq-answer .answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        /* ===== CTA + 表单 ===== */
        .cta-section {
            background: var(--bg-dark);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -160px;
            right: -160px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(199, 164, 107, 0.08);
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .cta-inner h2 .gold {
            color: var(--secondary);
        }

        .cta-inner .cta-desc {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 40px;
            text-align: left;
        }

        .cta-form .form-label {
            font-size: 12px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .cta-form .form-control {
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--text-white);
            border: 1px solid rgba(31, 35, 38, 0.15);
            color: var(--text-color);
            font-size: 15px;
            padding: 0 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .cta-form .form-control:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(199, 164, 107, 0.15);
            outline: none;
            background: var(--text-white);
            color: var(--text-color);
        }

        .cta-form textarea.form-control {
            height: auto;
            min-height: 80px;
            padding: 12px 16px;
            resize: vertical;
        }

        .cta-form .btn-submit {
            width: 100%;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--secondary);
            color: var(--text-white);
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .cta-form .btn-submit:hover {
            background: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(199, 164, 107, 0.3);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-gold);
            padding: 64px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 16px 0 0;
            max-width: 280px;
        }

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

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

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-bottom: 8px;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--secondary);
        }

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

        .footer-contact p {
            margin-bottom: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .hero-category .hero-title {
                font-size: 44px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .process-steps::before {
                display: none;
            }
            .process-step .step-num {
                font-size: 72px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header {
                padding: 10px 16px 0;
            }
            .site-header .dock-nav {
                max-width: 92%;
                border-radius: 20px;
                padding: 8px 12px;
                flex-wrap: wrap;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0;
                gap: 6px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                border-radius: 8px;
                padding: 10px 14px;
            }
            .nav-links a::after {
                display: none;
            }
            .btn-nav {
                order: 2;
            }
            .nav-toggle {
                display: flex;
                order: 3;
                margin-left: auto;
            }
            .breadcrumb-bar {
                padding-top: 80px;
            }
            .hero-category {
                padding: 64px 0 48px;
            }
            .hero-category .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-category .hero-title {
                font-size: 36px;
            }
            .hero-category .hero-desc {
                font-size: 16px;
            }
            .hero-category .hero-media {
                order: 2;
            }
            .trust-bar .trust-list {
                justify-content: center;
            }
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-sm {
                padding: 48px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .section-head h2 {
                font-size: 30px;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
            }
            .advantage-side {
                flex-direction: row;
                gap: 16px;
            }
            .advantage-side .adv-card {
                padding: 20px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .process-step .step-icon {
                position: static;
                margin-bottom: 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stats-item .stats-num {
                font-size: 32px;
            }
            .cta-form {
                padding: 24px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 32px;
            }
            .footer-links {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-contact {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .adv-subtitle {
                font-size: 14px;
            }
            .hero-category .hero-title {
                font-size: 30px;
            }
            .btn-gold {
                padding: 8px 16px;
                font-size: 14px;
            }
            .btn-outline {
                padding: 8px 16px;
                font-size: 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
        }

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

/* roulang page: article */
:root {
            --c-primary: #1F2326;
            --c-accent: #C7A46B;
            --c-accent-dark: #A88954;
            --c-bg-warm: #F7F3EC;
            --c-bg-dark: #14171A;
            --c-text: #1F2326;
            --c-text-secondary: #5A636B;
            --c-white: #FFFFFF;
            --c-border: rgba(31, 35, 38, 0.08);
            --c-border-accent: rgba(199, 164, 107, 0.2);
            --r-lg: 20px;
            --r-md: 12px;
            --r-sm: 8px;
            --shadow-card: 0 1px 3px rgba(31, 35, 38, 0.06), 0 8px 24px rgba(31, 35, 38, 0.04);
            --shadow-hover: 0 4px 12px rgba(31, 35, 38, 0.10), 0 16px 32px rgba(31, 35, 38, 0.08);
            --shadow-gold: 0 4px 20px rgba(199, 164, 107, 0.08);
            --transition: 0.25s ease;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            background: var(--c-bg-warm);
            color: var(--c-text);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

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

        /* ========== 浮动 Dock 导航 ========== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            pointer-events: none;
        }

        .dock-nav {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(247, 243, 236, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--c-border-accent);
            border-radius: 999px;
            padding: 8px 20px;
            box-shadow: var(--shadow-card);
            pointer-events: auto;
            transition: box-shadow var(--transition), background var(--transition);
        }

        .dock-nav:hover { box-shadow: var(--shadow-hover); }

        .brand-logo {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.12em;
            color: var(--c-primary);
            display: inline-flex;
            align-items: baseline;
            line-height: 1;
        }

        .logo-sub {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-left: 3px;
            color: var(--c-accent-dark);
        }

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

        .nav-links a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--c-text-secondary);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover { color: var(--c-primary); background: rgba(31, 35, 38, 0.04); }

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

        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--c-accent);
            border-radius: 2px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--c-accent);
            color: var(--c-white);
            border-radius: 999px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-gold:hover {
            background: var(--c-accent-dark);
            color: var(--c-white);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(199, 164, 107, 0.25);
        }

        .btn-nav { padding: 8px 20px; font-size: 13px; }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--c-primary);
            font-size: 18px;
            border: 1px solid var(--c-border);
            background: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
        }

        .nav-toggle:hover { border-color: var(--c-accent); color: var(--c-accent-dark); }

        /* ========== 文章 Hero ========== */
        .article-hero {
            position: relative;
            padding: 140px 0 64px;
            background: var(--c-bg-dark);
            overflow: hidden;
        }

        .article-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }

        .article-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(20, 23, 26, 0.65), rgba(20, 23, 26, 0.92));
            z-index: 1;
        }

        .article-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .article-hero .breadcrumb-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 28px;
        }

        .article-hero .breadcrumb-wrap a { color: rgba(255, 255, 255, 0.65); transition: color var(--transition); }

        .article-hero .breadcrumb-wrap a:hover { color: var(--c-accent); }

        .article-hero .breadcrumb-wrap .sep { margin: 0 8px; opacity: 0.5; }

        .article-hero .breadcrumb-wrap .current {
            color: rgba(255, 255, 255, 0.85);
            max-width: 400px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-hero .article-header h1 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 44px;
            font-weight: 900;
            line-height: 1.3;
            color: var(--c-white);
            margin-bottom: 22px;
            letter-spacing: 0.02em;
        }

        .article-hero .article-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 14px 28px;
        }

        .article-hero .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .article-hero .meta-item i { color: var(--c-accent); }

        .article-hero .tag-pill {
            display: inline-flex;
            padding: 4px 16px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--c-accent);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            border: 1px solid rgba(199, 164, 107, 0.25);
        }

        /* ========== 文章主体 ========== */
        .article-main {
            padding: 72px 0 80px;
            background: var(--c-bg-warm);
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
            font-size: 17px;
            line-height: 2.0;
            color: var(--c-text);
        }

        .article-body h2 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 26px;
            font-weight: 700;
            margin-top: 44px;
            margin-bottom: 20px;
            padding-left: 14px;
            border-left: 3px solid var(--c-accent);
            line-height: 1.4;
        }

        .article-body h3 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 22px;
            font-weight: 700;
            margin-top: 36px;
            margin-bottom: 16px;
            line-height: 1.5;
        }

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

        .article-body a { color: var(--c-accent-dark); border-bottom: 1px solid transparent; }

        .article-body a:hover { border-bottom-color: var(--c-accent); color: var(--c-accent); }

        .article-body img {
            border-radius: var(--r-md);
            margin: 28px 0;
            box-shadow: var(--shadow-card);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .article-body blockquote {
            background: rgba(31, 35, 38, 0.04);
            border-left: 4px solid var(--c-accent);
            padding: 22px 26px;
            border-radius: 0 var(--r-md) var(--r-md) 0;
            margin: 28px 0;
            color: var(--c-text-secondary);
            font-size: 15px;
            line-height: 1.9;
        }

        .article-body ul,
        .article-body ol { padding-left: 24px; margin-bottom: 24px; }

        .article-body ul li { margin-bottom: 10px; list-style: disc; }

        .article-body ol li { margin-bottom: 8px; }

        .article-body ul li::marker { color: var(--c-accent); }

        .article-body ol li::marker { color: var(--c-accent); font-weight: 600; }

        .article-body strong { font-weight: 700; color: var(--c-text); }

        /* ========== 空状态 ========== */
        .not-found {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
            padding: 80px 24px;
            background: rgba(31, 35, 38, 0.02);
            border: 1px dashed var(--c-border);
            border-radius: var(--r-lg);
        }

        .not-found i {
            font-size: 48px;
            color: var(--c-accent);
            margin-bottom: 18px;
        }

        .not-found p {
            font-size: 18px;
            color: var(--c-text-secondary);
            margin-bottom: 24px;
        }

        .not-found .btn-gold { padding: 12px 32px; }

        /* ========== 文末标签 ========== */
        .article-tags {
            max-width: 760px;
            margin: 48px auto 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-item {
            padding: 6px 18px;
            background: rgba(31, 35, 38, 0.06);
            color: var(--c-accent-dark);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
        }

        .tag-item:hover { background: rgba(199, 164, 107, 0.12); color: var(--c-primary); }

        /* ========== 分隔线 ========== */
        .article-divider {
            max-width: 960px;
            margin: 64px auto 0;
            border: 0;
            border-top: 1px solid var(--c-border);
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            max-width: 960px;
            margin: 0 auto;
            padding-top: 64px;
        }

        .related-section .section-title {
            text-align: center;
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 30px;
            font-weight: 800;
            color: var(--c-primary);
            margin-bottom: 12px;
            position: relative;
        }

        .related-section .section-title::before {
            content: "";
            display: block;
            width: 36px;
            height: 3px;
            background: var(--c-accent);
            margin: 0 auto 14px;
            border-radius: 2px;
        }

        .related-section .section-sub {
            text-align: center;
            font-size: 14px;
            color: var(--c-text-secondary);
            margin-bottom: 40px;
        }

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

        .related-card {
            background: var(--c-bg-warm);
            border: 1px solid var(--c-border);
            border-radius: 16px;
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(199, 164, 107, 0.45);
        }

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

        .related-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .related-info {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-info h3 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.65;
            margin-bottom: 10px;
            color: var(--c-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }

        .related-card:hover .related-info h3 { color: var(--c-accent-dark); }

        .related-date {
            font-size: 12px;
            color: var(--c-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }

        .related-date i { font-size: 11px; }

        /* ========== 返回列表 ========== */
        .back-link {
            text-align: center;
            margin-top: 48px;
        }

        .back-link a {
            color: var(--c-text-secondary);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            border: 1px solid var(--c-border);
            transition: all var(--transition);
        }

        .back-link a:hover {
            color: var(--c-accent-dark);
            gap: 12px;
            border-color: var(--c-accent);
            background: rgba(199, 164, 107, 0.06);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--c-bg-dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 24px;
            border-top: 1px solid var(--c-border-accent);
        }

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

        .footer-brand .brand-logo { color: var(--c-white); margin-bottom: 16px; }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 14px;
            max-width: 260px;
        }

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

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            transition: color var(--transition);
        }

        .footer-col a:hover { color: var(--c-accent); }

        .footer-contact {
            font-size: 13px;
            line-height: 2.0;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-contact p { margin-bottom: 6px; }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }

            .related-card:last-child { grid-column: span 2; }

            .footer-top { grid-template-columns: 1fr 2fr; }
        }

        @media (max-width: 767px) {
            .container { padding-left: 16px; padding-right: 16px; }

            .site-header { top: 12px; }

            .dock-nav {
                width: 92%;
                max-width: 92%;
                padding: 8px 14px;
            }

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

            .logo-sub { font-size: 12px; }

            .nav-links {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                display: none;
                flex-direction: column;
                align-items: stretch;
                background: rgba(247, 243, 236, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border: 1px solid var(--c-border-accent);
                border-radius: 16px;
                padding: 12px;
                gap: 2px;
                box-shadow: var(--shadow-hover);
            }

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

            .nav-links a { padding: 12px 16px; border-radius: 10px; }

            .nav-links a.active::after { display: none; }

            .nav-links a.active { background: rgba(199, 164, 107, 0.12); }

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

            .btn-nav { display: none; }

            .article-hero { padding: 110px 0 44px; }

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

            .article-hero .article-meta { gap: 10px 18px; }

            .article-main { padding: 48px 0 56px; }

            .article-body { font-size: 16px; line-height: 1.95; }

            .article-body h2 { font-size: 22px; }

            .article-body h3 { font-size: 19px; }

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

            .related-card:last-child { grid-column: auto; }

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

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

        @media (max-width: 520px) {
            .article-hero .article-header h1 { font-size: 26px; }

            .article-hero .breadcrumb-wrap .current {
                max-width: 220px;
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
            }

            .related-grid { gap: 16px; }

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

        /* 减少动态效果 */
        @media (prefers-reduced-motion: reduce) {
            * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
            html { scroll-behavior: auto; }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --graphite: #1F2326;
  --champagne: #C7A46B;
  --champagne-dark: #A88954;
  --warm-bg: #F7F3EC;
  --ink: #14171A;
  --text: #1F2326;
  --text-secondary: #5A636B;
  --white: #FFFFFF;
  --border-light: rgba(31, 35, 38, 0.08);
  --border-champagne: rgba(199, 164, 107, 0.2);
  --radius-card: 20px;
  --radius-component: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 3px rgba(31, 35, 38, 0.06), 0 8px 24px rgba(31, 35, 38, 0.04);
  --shadow-glow: 0 4px 20px rgba(199, 164, 107, 0.08);
  --transition: 0.25s ease;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ========== Reset & 基础 ========== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--warm-bg);
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
button,
input,
textarea {
  font-family: inherit;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ========== 浮动 Dock 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 16px 16px 0;
  pointer-events: none;
  transition: padding 0.25s ease;
}
.dock-nav {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 720px;
  width: 100%;
  background: rgba(247, 243, 236, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(199, 164, 107, 0.35);
  border-radius: var(--radius-pill);
  padding: 8px 8px 8px 20px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}
.site-header.scrolled {
  padding-top: 10px;
}
.site-header.scrolled .dock-nav {
  background: rgba(247, 243, 236, 0.92);
  box-shadow: 0 2px 6px rgba(31, 35, 38, 0.08), 0 12px 32px rgba(31, 35, 38, 0.06);
}
.brand-logo {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.12em;
  color: var(--text);
  line-height: 1.2;
  white-space: nowrap;
}
.logo-sub {
  font-size: 0.72em;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-left: 2px;
  color: var(--text-secondary);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 12px;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  position: relative;
  transition: color 0.25s ease, background 0.25s ease;
}
.nav-links a:hover {
  color: var(--text);
  background: rgba(31, 35, 38, 0.04);
}
.nav-links a.active {
  color: var(--text);
  background: rgba(31, 35, 38, 0.06);
  font-weight: 600;
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 2px;
  width: 24px;
  height: 3px;
  border-radius: 3px;
  background: var(--champagne);
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  background: var(--champagne);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}
.btn-gold:hover {
  background: var(--champagne-dark);
  color: var(--white);
  transform: translateY(-1px);
}
.btn-gold::before {
  content: "";
  position: absolute;
  left: -60%;
  top: 0;
  bottom: 0;
  width: 40%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.4s ease;
}
.btn-gold:hover::before {
  left: 130%;
}
.btn-nav {
  padding: 8px 20px;
  font-size: 0.9rem;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.35rem;
  color: var(--text);
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 50%;
}
.nav-toggle:hover {
  background: rgba(31, 35, 38, 0.06);
}

@media (max-width: 767px) {
  .site-header {
    padding: 12px 12px 0;
  }
  .dock-nav {
    max-width: 92%;
    padding: 8px 8px 8px 16px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(247, 243, 236, 0.96);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-champagne);
    border-radius: 20px;
    flex-direction: column;
    padding: 16px;
    gap: 6px;
    box-shadow: var(--shadow-card);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    width: 100%;
    text-align: center;
    padding: 12px;
  }
  .nav-links a.active::after {
    bottom: 4px;
  }
  .nav-toggle {
    display: block;
  }
  .btn-nav {
    display: none;
  }
}

/* ========== 面包屑 ========== */
.breadcrumb-block {
  padding: 120px 0 0;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}
.breadcrumb-nav a {
  color: var(--text-secondary);
  transition: color 0.25s ease;
}
.breadcrumb-nav a:hover {
  color: var(--champagne-dark);
}
.breadcrumb-nav span {
  color: var(--champagne);
}

/* ========== 分类页主标题区 ========== */
.category-hero {
  padding: 56px 0 40px;
  text-align: center;
}
.category-hero h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 3.2rem;
  color: var(--text);
  letter-spacing: 0.02em;
  line-height: 1.25;
}
.category-hero .hero-rule {
  width: 56px;
  height: 4px;
  background: var(--champagne);
  border-radius: 4px;
  margin: 24px auto;
}
.category-hero .desc-line {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.9;
}

@media (max-width: 767px) {
  .category-hero {
    padding: 32px 0 28px;
  }
  .category-hero h1 {
    font-size: 2.1rem;
  }
  .category-hero .desc-line {
    font-size: 0.95rem;
  }
}

/* ========== Hero Banner ========== */
.hero-banner-section {
  padding: 8px 0 80px;
}
.hero-banner {
  position: relative;
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, var(--ink) 0%, var(--graphite) 70%);
  padding: 72px 56px;
  color: var(--white);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  min-height: 340px;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.32;
  z-index: 1;
}
.hero-banner::before {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 2px solid rgba(199, 164, 107, 0.4);
  top: -90px;
  right: -60px;
  z-index: 1;
  animation: breathe 5s ease-in-out infinite;
}
.hero-banner::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 1px solid rgba(199, 164, 107, 0.2);
  bottom: -40px;
  right: 80px;
  z-index: 1;
}
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.06); opacity: 0.8; }
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}
.hero-content h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1.35;
  margin-bottom: 16px;
}
.hero-content h2 .text-gold {
  color: var(--champagne);
}
.hero-content p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.02rem;
  margin-bottom: 32px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
  font-weight: 500;
  font-size: 0.95rem;
  background: transparent;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--champagne);
  color: var(--champagne);
}

@media (max-width: 991px) {
  .hero-banner {
    padding: 56px 32px;
  }
  .hero-content h2 {
    font-size: 2rem;
  }
}
@media (max-width: 767px) {
  .hero-banner-section {
    padding-bottom: 56px;
  }
  .hero-banner {
    padding: 44px 24px;
    min-height: auto;
    flex-direction: column;
  }
  .hero-content h2 {
    font-size: 1.6rem;
  }
  .hero-content p {
    font-size: 0.95rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn-gold,
  .hero-actions .btn-ghost {
    width: 100%;
  }
}

/* ========== 通用板块标题 ========== */
.section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 2.4rem;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 8px;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 44px;
  max-width: 640px;
  line-height: 1.8;
}
.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 767px) {
  .section-title {
    font-size: 1.7rem;
  }
  .section-subtitle {
    font-size: 0.95rem;
    margin-bottom: 32px;
  }
}

/* ========== 内容网格：左宽右窄 ========== */
.content-grid-section {
  padding: 80px 0;
  background: var(--warm-bg);
}
.category-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: stretch;
}
.card-stack {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.card-item {
  background: var(--white);
  border-radius: var(--radius-card);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.card-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(31, 35, 38, 0.08), 0 16px 40px rgba(31, 35, 38, 0.06);
  border-color: rgba(199, 164, 107, 0.4);
}
.card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #e9e4dc;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}
.card-item:hover .card-media img {
  transform: scale(1.03);
}
.card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-date {
  font-size: 0.8rem;
  color: var(--champagne);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}
.card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.5;
}
.card-excerpt {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.8;
  flex: 1;
  margin-bottom: 16px;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--champagne-dark);
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.25s ease;
  margin-top: auto;
}
.card-link i {
  transition: transform 0.25s ease;
}
.card-item:hover .card-link i,
.card-link:hover i {
  transform: translateX(4px);
}
.card-link:hover {
  color: var(--champagne);
}

@media (max-width: 991px) {
  .category-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 767px) {
  .content-grid-section {
    padding: 56px 0;
  }
  .card-stack {
    gap: 16px;
  }
  .card-title {
    font-size: 1.1rem;
  }
}

/* ========== 深色卖点区块 ========== */
.features-section {
  background: var(--ink);
  padding: 96px 0;
  color: var(--white);
}
.features-section .section-title {
  color: var(--white);
}
.features-section .section-subtitle {
  color: rgba(255, 255, 255, 0.65);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-champagne);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.feature-item:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-glow);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(199, 164, 107, 0.12);
  color: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 20px;
}
.feature-item h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--white);
}
.feature-item p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  line-height: 1.85;
  margin: 0;
}

@media (max-width: 991px) {
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  .features-section {
    padding: 64px 0;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-item {
    padding: 28px 24px;
  }
}

/* ========== 适用场景 ========== */
.scenarios-section {
  background: var(--warm-bg);
  padding: 96px 0;
}
.scenario-item {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  height: 100%;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.scenario-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(31, 35, 38, 0.08), 0 16px 40px rgba(31, 35, 38, 0.06);
}
.scenario-item h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.scenario-item h3 i {
  color: var(--champagne);
  margin-right: 8px;
}
.scenario-item p {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.85;
  margin: 0;
}
.scenarios-section .row {
  --bs-gutter-y: 24px;
}
@media (max-width: 767px) {
  .scenarios-section {
    padding: 64px 0;
  }
}

/* ========== 服务流程 ========== */
.process-section {
  background: var(--white);
  padding: 96px 0;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  position: relative;
}
.process-grid::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: var(--border-light);
  z-index: 0;
}
.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 8px;
}
.process-num {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--champagne);
  line-height: 1;
  display: block;
  margin-bottom: 20px;
  background: var(--white);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
}
.process-step h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.process-step p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.75;
  margin: 0;
}

@media (max-width: 991px) {
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 16px;
  }
  .process-grid::before {
    display: none;
  }
}
@media (max-width: 767px) {
  .process-section {
    padding: 64px 0;
  }
  .process-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--warm-bg);
  padding: 96px 0;
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.accordion-item {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-component) !important;
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
  overflow: hidden;
}
.accordion-button {
  background: var(--white);
  color: var(--text);
  font-weight: 500;
  font-size: 1rem;
  padding: 20px 24px;
  box-shadow: none !important;
  border: none;
  transition: color 0.25s ease, background 0.25s ease;
}
.accordion-button:not(.collapsed) {
  background: var(--white);
  color: var(--champagne-dark);
  font-weight: 600;
}
.accordion-button:hover {
  background: rgba(31, 35, 38, 0.02);
}
.accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}
.accordion-button::after {
  filter: invert(78%) sepia(25%) saturate(486%) hue-rotate(9deg) brightness(89%) contrast(86%);
}
.accordion-body {
  padding: 0 24px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
}
@media (max-width: 767px) {
  .faq-section {
    padding: 64px 0;
  }
  .accordion-button {
    font-size: 0.95rem;
    padding: 18px 16px;
  }
  .accordion-body {
    padding: 0 16px 18px;
  }
}

/* ========== CTA 区块 ========== */
.cta-section {
  background: var(--ink);
  padding: 96px 0;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 2px solid rgba(199, 164, 107, 0.15);
  top: -120px;
  left: -100px;
}
.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
}
.cta-section h2 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}
.cta-section .cta-sub {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto 40px;
}
.contact-form {
  max-width: 680px;
  margin: 0 auto;
  text-align: left;
}
.contact-form .form-label-custom {
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 6px;
  display: block;
}
.contact-form .form-field {
  width: 100%;
  height: 48px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-component);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.contact-form .form-field:focus {
  border-color: var(--champagne);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(199, 164, 107, 0.15);
}
.contact-form textarea.form-field {
  height: auto;
  resize: vertical;
  min-height: 100px;
}
.contact-form .form-field::placeholder {
  color: rgba(255, 255, 255, 0.4);
}
.btn-large {
  width: 100%;
  height: 48px;
  font-size: 1rem;
  margin-top: 8px;
}
@media (max-width: 767px) {
  .cta-section {
    padding: 64px 0;
  }
  .cta-section h2 {
    font-size: 1.7rem;
  }
  .cta-section .cta-sub {
    font-size: 0.95rem;
  }
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--ink);
  border-top: 1px solid var(--border-champagne);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 32px;
  font-size: 0.88rem;
  line-height: 1.8;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 2fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand .brand-logo {
  color: var(--white);
  font-size: 1.4rem;
}
.footer-brand .logo-sub {
  color: rgba(255, 255, 255, 0.55);
}
.footer-brand p {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
  line-height: 1.8;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.86rem;
  padding: 4px 0;
  transition: color 0.25s ease;
}
.footer-col a:hover {
  color: var(--champagne);
}
.footer-contact p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  margin-bottom: 8px;
}
.footer-contact p:first-child {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.82rem;
}

@media (max-width: 991px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-links {
    grid-column: 1 / -1;
    order: 3;
  }
}
@media (max-width: 767px) {
  .site-footer {
    padding: 48px 0 24px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-links {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .footer-contact {
    order: 4;
  }
}

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