/* roulang page: index */
:root {
  --primary: #1D4D3B;
  --primary-light: #2E6B50;
  --primary-soft: rgba(29, 77, 59, 0.08);
  --accent: #E07A2F;
  --accent-light: #F09A4B;
  --accent-soft: rgba(224, 122, 47, 0.1);
  --bg: #F7F5F0;
  --dark: #14241D;
  --text: #232B26;
  --text-sub: #5E6B64;
  --text-mute: #8B958F;
  --border: #E3E0D8;
  --card: #FFFFFF;
  --success: #2E8B57;
  --danger: #C03A2B;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.09);
  --container: 1200px;
  --spacing-lg: 96px;
  --spacing-md: 56px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--spacing-lg) 0; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: 30px; font-weight: 700; line-height: 1.3; color: var(--text); margin-bottom: 12px; }
.section-head .lead { font-size: 16px; color: var(--text-sub); line-height: 1.7; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  padding: 12px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: inset 0 -2px 0 rgba(0,0,0,0.15); }
.btn-primary:hover { background: var(--accent-light); }
.btn-ghost { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-ghost:hover { background: var(--primary-soft); }
.btn-lg { font-size: 16px; padding: 15px 34px; }
/* ---- Header / Dock Nav ---- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-top: 16px;
  transition: all 0.35s ease;
}
.site-header.scrolled {
  padding-top: 8px;
}
.dock-nav {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 16px;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.65);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  transition: all 0.35s ease;
}
.site-header.scrolled .dock-nav {
  background: rgba(247,245,240,0.85);
  box-shadow: var(--shadow-md);
}
.brand { display: flex; align-items: center; gap: 10px; padding-left: 10px; }
.brand-mark {
  width: 38px; height: 38px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  letter-spacing: -0.5px;
}
.brand-text { font-size: 17px; font-weight: 700; color: var(--primary); white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-sub);
  padding: 8px 16px;
  border-radius: 999px;
  transition: all 0.2s;
}
.nav-links a:hover { color: var(--primary); background: var(--primary-soft); }
.nav-links a.active { color: var(--primary); background: var(--primary-soft); font-weight: 600; }
.nav-right { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-sub);
  transition: all 0.2s;
}
.icon-btn:hover { background: var(--primary-soft); color: var(--primary); }
.nav-cta { font-size: 14px; font-weight: 600; padding: 10px 22px; border-radius: 999px; background: var(--accent); color: #fff; border: none; transition: all 0.25s; }
.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(224,122,47,0.3); }
.hamburger { display: none; width: 40px; height: 40px; border-radius: 50%; border: none; background: var(--primary-soft); color: var(--primary); font-size: 20px; align-items: center; justify-content: center; }
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  z-index: 99;
  padding: 100px 24px 40px;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.mobile-menu a:hover { border-color: var(--primary); color: var(--primary); }
/* ---- Hero ---- */
.hero {
  position: relative;
  padding-top: 180px;
  padding-bottom: 100px;
  background-image: url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(247,245,240,0.92) 0%, rgba(247,245,240,0.6) 40%, rgba(247,245,240,0.15) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(29,77,59,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-left .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero-left .hero-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); }
.hero-left h1 { font-size: 40px; font-weight: 700; line-height: 1.25; color: var(--text); margin-bottom: 20px; letter-spacing: -0.5px; }
.hero-left h1 em { font-style: normal; color: var(--primary); }
.hero-left .hero-sub { font-size: 17px; color: var(--text-sub); line-height: 1.8; margin-bottom: 32px; max-width: 460px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
/* ---- Hero Metrics ---- */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.metric-card {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.metric-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.metric-card .metric-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.metric-card .metric-icon { width: 40px; height: 40px; border-radius: 12px; background: var(--primary-soft); display: flex; align-items: center; justify-content: center; color: var(--primary); }
.metric-card .metric-trend { font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.metric-card .metric-trend.up { background: rgba(46,139,87,0.12); color: var(--success); }
.metric-card .metric-trend.down { background: rgba(192,58,43,0.12); color: var(--danger); }
.metric-card .metric-value {
  font-size: 36px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 4px;
}
.metric-card .metric-label { font-size: 13px; color: var(--text-mute); }
/* ---- Trust Bar ---- */
.trust-bar { padding: 28px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: #fff; }
.trust-bar .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.trust-bar .trust-text { font-size: 14px; color: var(--text-mute); font-weight: 500; display: flex; align-items: center; gap: 8px; }
.trust-bar .trust-text svg { color: var(--accent); }
.trust-logos { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.trust-logos span { font-size: 15px; font-weight: 700; color: #C8CCC7; letter-spacing: 1px; transition: color 0.3s; }
.trust-logos span:hover { color: var(--primary); }
/* ---- Services ---- */
.services { padding: var(--spacing-lg) 0; }
.services-grid { display: grid; grid-template-columns: 4fr 8fr; gap: 48px; }
.services-side .side-list { margin-top: 24px; }
.services-side .side-list li { display: flex; align-items: center; gap: 12px; padding: 10px 0; font-size: 15px; color: var(--text-sub); border-bottom: 1px dashed var(--border); }
.services-side .side-list li:last-child { border-bottom: none; }
.services-side .side-list .step-num { width: 28px; height: 28px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-weight: 700; font-size: 13px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.services-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(29,77,59,0.2); }
.service-card .svc-icon { width: 48px; height: 48px; border-radius: 14px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; transition: background 0.3s; }
.service-card:hover .svc-icon { background: rgba(29,77,59,0.15); }
.service-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.service-card p { font-size: 14px; color: var(--text-sub); line-height: 1.7; margin-bottom: 16px; }
.service-card .svc-link { font-size: 13px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; margin-top: auto; }
.service-card .svc-link:hover text-decoration: underline;
.service-card.featured { grid-column: span 2; flex-direction: row; gap: 24px; align-items: center; background: linear-gradient(135deg, #fff 0%, rgba(29,77,59,0.04) 100%); }
.service-card.featured .svc-icon { width: 68px; height: 68px; border-radius: 18px; margin-bottom: 0; flex-shrink: 0; }
.service-card.featured .featured-info { flex: 1; }
.service-card.featured h3 { font-size: 22px; }
.service-card.featured p { font-size: 15px; max-width: 460px; }
.service-card.featured .featured-cta { margin-top: 0; }
.service-card.featured .svc-link { margin-top: 12px; }
/* ---- Compare ---- */
.compare-section { background: linear-gradient(180deg, var(--bg) 0%, #EFEDE8 100%); padding: var(--spacing-lg) 0; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.compare-panel { padding: 40px 36px; }
.compare-panel.old { background: #EFEDE8; }
.compare-panel.new { background: var(--primary); color: #E8F0EB; }
.compare-panel .panel-title { font-size: 20px; font-weight: 700; margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
.compare-panel.old .panel-title { color: #6A6E68; }
.compare-panel.new .panel-title { color: #fff; }
.compare-list li { display: flex; align-items: flex-start; gap: 12px; padding: 9px 0; font-size: 15px; line-height: 1.6; }
.compare-panel.old .compare-list li { color: #6A6E68; }
.compare-panel.new .compare-list li { color: #D5E4DB; }
.compare-list svg { flex-shrink: 0; margin-top: 3px; }
.compare-panel.old .compare-list svg { color: #B09C8A; }
.compare-panel.new .compare-list svg { color: var(--accent-light); }
.compare-footer { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(0,0,0,0.08); font-size: 14px; font-weight: 600; }
.compare-panel.old .compare-footer { color: #8B8F88; }
.compare-panel.new .compare-footer { border-color: rgba(255,255,255,0.2); color: #fff; }
.compare-arrow { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 48px; height: 48px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(224,122,47,0.4); z-index: 2; font-size: 20px; }
/* ---- News ---- */
.news { padding: var(--spacing-lg) 0; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.news-card .news-cover { height: 180px; background: var(--primary-soft); position: relative; overflow: hidden; }
.news-card .news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .news-cover img { transform: scale(1.03); }
.news-card .news-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.news-card .news-badge { align-self: flex-start; font-size: 12px; font-weight: 600; color: var(--primary); background: var(--primary-soft); padding: 3px 12px; border-radius: 999px; margin-bottom: 10px; }
.news-card h3 { font-size: 17px; font-weight: 600; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card p { font-size: 14px; color: var(--text-sub); line-height: 1.65; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .news-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text-mute); }
.news-empty { grid-column: span 3; text-align: center; padding: 48px 24px; color: var(--text-mute); font-size: 15px; background: var(--card); border-radius: var(--radius-lg); border: 1px dashed var(--border); }
/* ---- FAQ ---- */
.faq { padding: var(--spacing-lg) 0; }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item.open { border-color: rgba(29,77,59,0.3); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  gap: 16px;
}
.faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-size: 16px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: all 0.3s; }
.faq-item.open .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 24px 20px; color: var(--text-sub); font-size: 15px; line-height: 1.7; }
.faq-item.open .faq-answer { max-height: 400px; }
/* ---- Contact ---- */
.contact { padding: var(--spacing-lg) 0; background: linear-gradient(180deg, var(--bg) 0%, #EFEDE8 100%); }
.contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: 30px; font-weight: 700; margin-bottom: 12px; }
.contact-info .lead { font-size: 16px; color: var(--text-sub); margin-bottom: 32px; }
.contact-info-list li { display: flex; align-items: center; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 15px; color: var(--text-sub); }
.contact-info-list li:last-child { border-bottom: none; }
.contact-info-list .ci-icon { width: 42px; height: 42px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-list .ci-label { display: block; font-size: 12px; color: var(--text-mute); font-weight: 500; }
.contact-info-list .ci-value { font-weight: 600; color: var(--text); }
.contact-form-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-md); }
.contact-form-card .form-group { margin-bottom: 20px; }
.contact-form-card label { font-size: 14px; font-weight: 500; color: var(--text); display: block; margin-bottom: 6px; }
.contact-form-card input, .contact-form-card select, .contact-form-card textarea {
  width: 100%;
  height: 44px;
  border: 1px solid #D8D4CA;
  border-radius: 10px;
  padding: 0 16px;
  font-size: 14px;
  font-family: inherit;
  background: #FAFAF7;
  color: var(--text);
  outline: none;
  transition: all 0.25s;
}
.contact-form-card textarea { height: 96px; padding: 12px 16px; resize: vertical; line-height: 1.6; }
.contact-form-card input:focus, .contact-form-card select:focus, .contact-form-card textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(224,122,47,0.18);
  background: #fff;
}
.form-tip { font-size: 13px; color: var(--text-mute); margin-top: 12px; }
/* ---- Footer ---- */
.site-footer { background: var(--dark); color: #B7C4BC; padding-top: 56px; }
.footer-grid { display: grid; grid-template-columns: 3fr 2fr 2fr 2.4fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .brand-text { color: #fff; font-size: 18px; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: #8FA098; max-width: 280px; }
.footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 16px; letter-spacing: 0.5px; }
.footer-col nav a { display: block; font-size: 14px; color: #8FA098; padding: 5px 0; transition: color 0.25s; }
.footer-col nav a:hover { color: var(--accent-light); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: #8FA098; padding: 5px 0; }
.footer-contact svg { margin-top: 4px; color: var(--accent-light); flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; font-size: 13px; color: #67786E; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
/* ---- Animations ---- */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.hero-left, .metrics-grid { animation: fadeInUp 0.8s ease-out both; }
.metrics-grid { animation-delay: 0.2s; }
/* ---- Responsive ---- */
@media (max-width: 992px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding-top: 150px; }
  .hero-left h1 { font-size: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .services-side { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
  .services-side .section-head { margin-bottom: 0; }
  .services-side .side-list { margin-top: 0; display: flex; gap: 20px; }
  .services-side .side-list li { border-bottom: none; padding: 0; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-card:last-child { grid-column: span 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  :root { --spacing-lg: 56px; }
  .container { padding: 0 16px; }
  .dock-nav { height: 58px; padding: 0 10px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero { padding-top: 120px; padding-bottom: 56px; }
  .hero-left h1 { font-size: 26px; }
  .hero-sub { font-size: 15px; }
  .metrics-grid { gap: 12px; }
  .metric-card { padding: 16px; }
  .metric-card .metric-value { font-size: 28px; }
  .btn-lg { width: 100%; }
  .hero-ctas { flex-direction: column; gap: 12px; }
  .services-cards { grid-template-columns: 1fr; }
  .service-card.featured { grid-column: span 1; flex-direction: column; }
  .service-card.featured .svc-icon { margin-bottom: 14px; }
  .compare-grid { grid-template-columns: 1fr; }
  .compare-arrow { display: none; }
  .compare-panel { padding: 28px 20px; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card:last-child { grid-column: span 1; }
  .faq-question { font-size: 15px; padding: 16px 16px; }
  .contact-form-card { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 520px) {
  .brand-text { font-size: 15px; }
  .brand-mark { width: 32px; height: 32px; font-size: 13px; }
  .hero-left h1 { font-size: 24px; }
  .trust-logos { gap: 16px; }
  .section-head h2 { font-size: 24px; }
  .contact-info-list li { flex-wrap: wrap; }
}

/* roulang page: category1 */
:root {
  --primary: #1D4D3B;
  --primary-dark: #14241D;
  --primary-light: #2E6B50;
  --accent: #E07A2F;
  --accent-light: #F09A4B;
  --bg: #F7F5F0;
  --card-bg: #FFFFFF;
  --text: #232B26;
  --text-light: #5E6B64;
  --text-muted: #8B958F;
  --border: #E3E0D8;
  --success: #2E8B57;
  --warning: #C03A2B;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.07);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.10);
  --space-section: 96px;
  --space-section-mobile: 56px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  --font-num: "DIN Alternate", "Roboto Mono", "SFMono-Regular", Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 14px; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section { padding: var(--space-section) 0; }
.section-sm { padding: 56px 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 999px;
  border: none;
  transition: all 0.25s ease;
  line-height: 1.2;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: inset 0 -3px 0 rgba(0,0,0,0.16), 0 2px 8px rgba(224,122,47,0.25);
}
.btn-primary:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(224,122,47,0.30); }
.btn-primary:active { transform: translateY(2px); box-shadow: inset 0 2px 4px rgba(0,0,0,0.18); }
.btn-primary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-ghost:hover { background: rgba(29,77,59,0.06); border-color: var(--primary-dark); color: var(--primary-dark); }
.btn-ghost:active { transform: translateY(1px); }
.btn-ghost:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.btn-sm { font-size: 14px; padding: 10px 24px; }
.btn-block-mobile { width: auto; }

/* ---------- Header / Floating Dock ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-top: 16px;
  pointer-events: none;
}
.site-header .container { pointer-events: auto; }
.dock-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(227,224,216,0.9);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.site-header.scrolled .dock-nav {
  background: rgba(247,245,240,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-md);
}
.brand-text {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 0.2px;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
  padding: 0 12px;
}
.nav-links a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-links a:hover { color: var(--primary); background: rgba(29,77,59,0.06); }
.nav-links a.active { color: var(--primary); background: rgba(29,77,59,0.10); font-weight: 600; }
.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-light);
  transition: all 0.2s ease;
}
.icon-btn:hover { color: var(--primary); border-color: var(--primary); background: rgba(29,77,59,0.06); }
.icon-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.menu-toggle { display: none; }
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 99;
  background: var(--bg);
  padding: 96px 32px 40px;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 20px;
  font-weight: 600;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
}
.mobile-menu a.active { color: var(--primary); background: rgba(29,77,59,0.08); border-color: rgba(29,77,59,0.2); }
.mobile-menu .btn { margin-top: 12px; width: 100%; }
.mobile-menu .menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: #fff;
  font-size: 22px;
  line-height: 1;
}

/* ---------- Category Hero Banner ---------- */
.cat-hero {
  position: relative;
  padding: 180px 0 96px;
  background-size: cover;
  background-position: center;
  background-color: var(--primary-dark);
  color: #fff;
  overflow: hidden;
}
.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(20,36,29,0.92) 20%, rgba(20,36,29,0.55) 60%, rgba(224,122,47,0.15));
  pointer-events: none;
}
.cat-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 28px;
}
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb span[aria-hidden="true"] { opacity: 0.6; }
.cat-hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.cat-hero .lead {
  font-size: 18px;
  line-height: 1.75;
  color: rgba(255,255,255,0.92);
  max-width: 640px;
  margin-bottom: 32px;
}
.cat-hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.cat-hero-actions .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.7); }
.cat-hero-actions .btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }

/* ---------- Section Headings ---------- */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-head h2 {
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 600;
  color: var(--primary-dark);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(224,122,47,0.10);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}

/* ---------- Core Strengths (2 col split) ---------- */
.split-block {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}
.split-intro .lead-text { font-size: 17px; color: var(--text); line-height: 1.8; }
.split-intro .sub-text { font-size: 14px; color: var(--text-light); margin-top: 16px; }
.split-list { display: flex; flex-direction: column; gap: 24px; }
.strength-item {
  display: flex;
  gap: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.strength-item:hover { box-shadow: var(--shadow-hover); border-color: rgba(29,77,59,0.2); transform: translateY(-3px); }
.strength-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(29,77,59,0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.strength-icon svg { width: 26px; height: 26px; }
.strength-content h3 { font-size: 18px; font-weight: 600; color: var(--primary-dark); margin-bottom: 6px; }
.strength-content p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ---------- Process Steps ---------- */
.process-wrap {
  background: var(--primary-dark);
  padding: 64px 0;
  border-radius: 24px;
  color: #fff;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.process-step {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  transition: background 0.25s ease, transform 0.25s ease;
}
.process-step:hover { background: rgba(255,255,255,0.09); transform: translateY(-3px); }
.process-num {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}
.process-step h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.process-step p { font-size: 14px; color: rgba(255,255,255,0.75); line-height: 1.7; }

/* ---------- Scenario Cards ---------- */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scenario-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.scenario-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.scenario-card .card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(29,77,59,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}
.scenario-card .card-icon svg { width: 24px; height: 24px; }
.scenario-card h3 { font-size: 18px; font-weight: 600; color: var(--primary-dark); margin-bottom: 8px; }
.scenario-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.scenario-card .badge-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(29,77,59,0.08);
  border-radius: 999px;
  padding: 3px 10px;
}

/* ---------- Service Cards (featured + regular) ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.service-card:hover { box-shadow: var(--shadow-hover); border-color: rgba(29,77,59,0.2); transform: translateY(-3px); }
.service-card .card-img {
  width: 100%;
  height: 140px;
  border-radius: 10px;
  object-fit: cover;
  margin-bottom: 18px;
  background: #E8E4DA;
}
.service-card h3 { font-size: 17px; font-weight: 600; color: var(--primary-dark); margin-bottom: 8px; }
.service-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; flex: 1; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: color 0.2s ease, gap 0.2s ease;
}
.card-link:hover { color: var(--accent); gap: 10px; }
.service-card.featured {
  grid-column: span 2;
  flex-direction: row;
  gap: 24px;
  align-items: center;
  background: linear-gradient(135deg, #FFFFFF 0%, #F4F1E8 100%);
  border-color: rgba(29,77,59,0.15);
}
.service-card.featured .card-img { width: 220px; height: 160px; flex-shrink: 0; margin-bottom: 0; }
.service-card.featured .featured-body { flex: 1; }
.service-card.featured h3 { font-size: 20px; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.faq-item.open { border-color: rgba(29,77,59,0.35); box-shadow: var(--shadow-sm); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(29,77,59,0.10);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 300;
  transition: background 0.25s ease, transform 0.25s ease;
}
.faq-item.open .faq-icon { transform: rotate(90deg); background: var(--primary); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer-inner { padding: 0 24px 20px; font-size: 14px; color: var(--text-light); line-height: 1.75; }

/* ---------- CTA / Interlinks ---------- */
.cta-block {
  position: relative;
  padding: 72px 0;
  background-size: cover;
  background-position: center;
  border-radius: 24px;
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.cta-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20,36,29,0.92), rgba(29,77,59,0.80));
}
.cta-block .container { position: relative; z-index: 2; }
.cta-block h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 600; margin-bottom: 12px; }
.cta-block p { font-size: 15px; color: rgba(255,255,255,0.85); max-width: 520px; margin: 0 auto 28px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-block .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.7); }
.cta-block .btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }
.interlinks {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
}
.interlinks a { color: rgba(255,255,255,0.7); display: inline-flex; align-items: center; gap: 6px; }
.interlinks a:hover { color: var(--accent-light); }
.interlinks .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); display: inline-block; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary-dark);
  color: #B7C4BC;
  padding-top: 56px;
  margin-top: 0;
}
.site-footer .container { max-width: 1200px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand .brand-text { color: #fff; font-size: 18px; margin-bottom: 14px; }
.footer-brand p { font-size: 14px; line-height: 1.75; color: #9AABA2; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer-col nav { display: flex; flex-direction: column; gap: 10px; }
.footer-col nav a { font-size: 14px; color: #9AABA2; transition: color 0.2s ease; }
.footer-col nav a:hover { color: var(--accent-light); }
.footer-contact { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: #9AABA2; }
.footer-contact li svg { color: var(--accent); flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #7B8B82;
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card.featured { grid-column: span 2; flex-direction: column; align-items: flex-start; }
  .service-card.featured .card-img { width: 100%; height: 160px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .split-block { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 767px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .section { padding: var(--space-section-mobile) 0; }
  .dock-nav { padding: 6px 10px; }
  .nav-links { display: none; }
  .nav-actions .btn-sm { display: none; }
  .menu-toggle { display: inline-flex; }
  .dock-nav { height: 58px; }
  .brand-text { font-size: 15px; }
  .brand-mark { width: 30px; height: 30px; font-size: 12px; border-radius: 8px; }
  .cat-hero { padding: 140px 0 56px; }
  .cat-hero .lead { font-size: 16px; }
  .cat-hero-actions .btn { width: 100%; }
  .process-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card.featured { grid-column: span 1; }
  .service-card.featured .card-img { width: 100%; height: 140px; }
  .section-head { margin-bottom: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .cta-actions .btn { width: 100%; }
  .interlinks { flex-direction: column; align-items: center; gap: 12px; }
  .btn { padding: 12px 28px; }
}
@media (max-width: 520px) {
  .brand-text { font-size: 14px; }
  .brand-mark { width: 28px; height: 28px; }
  .cat-hero h1 { font-size: 30px; }
  .split-block { gap: 28px; }
  .strength-item { flex-direction: column; gap: 14px; }
}

/* roulang page: article */
:root {
            --primary: #1D4D3B;
            --primary-light: #2E6B50;
            --primary-soft: rgba(29, 77, 59, 0.08);
            --accent: #E07A2F;
            --accent-light: #F09A4B;
            --accent-soft: rgba(224, 122, 47, 0.12);
            --bg: #F7F5F0;
            --dark-bg: #14241D;
            --text: #232B26;
            --text-sub: #5E6B64;
            --text-light: #8B958F;
            --border: #E3E0D8;
            --card-bg: #FFFFFF;
            --success: #2E8B57;
            --warning: #C03A2B;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --container: 1200px;
            --spacing-section: 96px;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            font-variant-numeric: tabular-nums;
        }
        *,
        *::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);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea,
        select {
            font-family: inherit;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 24px;
            transition: all .2s ease;
            border: 1px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.15), var(--shadow-sm);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.10), var(--shadow-md);
        }
        .btn-accent:active {
            transform: translateY(1px);
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
        }
        .btn-ghost {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-ghost:hover {
            background: var(--primary-soft);
        }
        .btn-sm {
            font-size: 14px;
            padding: 8px 20px;
        }
        .btn-lg {
            font-size: 15px;
            padding: 14px 36px;
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            line-height: 1.5;
        }

        /* ===== Header / Dock Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 16px 0 8px;
            transition: background .3s ease, box-shadow .3s ease;
        }
        .site-header.scrolled {
            background: rgba(247, 245, 240, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.04);
            border-radius: 0 0 24px 24px;
        }
        .nav-dock {
            max-width: var(--container);
            margin: 0 auto;
            padding: 8px 16px 8px 24px;
            background: rgba(255, 255, 255, 0.82);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            display: flex;
            align-items: center;
            gap: 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .3s ease, background .3s ease;
        }
        .site-header.scrolled .nav-dock {
            background: rgba(255, 255, 255, 0.92);
            box-shadow: var(--shadow-md);
        }
        .brand-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.2px;
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: 0;
            box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.15);
        }
        .nav-links {
            display: flex;
            gap: 4px;
            margin-left: auto;
            flex-wrap: nowrap;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: all .2s;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .nav-links a.active {
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .icon-btn {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            transition: all .2s;
        }
        .icon-btn:hover {
            background: rgba(29, 77, 59, 0.14);
            transform: scale(1.04);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-soft);
        }
        .menu-toggle span {
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all .3s;
        }
        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Article Page Main ===== */
        .article-page-main {
            padding: 48px 0 var(--spacing-section);
        }
        .article-wrap {
            max-width: 900px;
            margin: 0 auto;
        }
        .breadcrumb {
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            margin-bottom: 16px;
            line-height: 1.5;
        }
        .breadcrumb a {
            color: var(--text-sub);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #c9c4ba;
        }
        .breadcrumb .current-title {
            color: var(--text-light);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 260px;
        }
        .article-header {
            margin-bottom: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }
        .article-title {
            font-size: clamp(26px, 4vw, 36px);
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.3px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            color: var(--text-sub);
            font-size: 14px;
            margin-top: 18px;
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: #c9c4ba;
        }

        /* ===== Article Content ===== */
        .article-content {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16.5px;
            line-height: 1.85;
            color: var(--text);
            word-break: break-word;
        }
        .article-content h2 {
            font-size: 24px;
            margin: 48px 0 16px;
            font-weight: 700;
            color: var(--text);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 19px;
            margin: 32px 0 12px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.45;
        }
        .article-content p {
            margin-bottom: 20px;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 28px auto;
            box-shadow: var(--shadow-sm);
            height: auto;
        }
        .article-content figcaption,
        .article-content .caption {
            font-size: 13px;
            color: var(--text-light);
            text-align: center;
            margin: -16px 0 24px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(224, 122, 47, 0.06);
            padding: 18px 22px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 28px 0;
            color: var(--text-sub);
            font-style: normal;
        }
        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--primary-light);
            text-decoration-thickness: 2px;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 22px 24px;
            padding: 0;
        }
        .article-content li {
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .article-content ul li::marker {
            color: var(--accent);
        }
        .article-content ol li::marker {
            color: var(--primary);
            font-weight: 600;
        }
        .article-content code {
            background: rgba(29, 77, 59, 0.08);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 14px;
            font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
            color: var(--primary);
        }
        .article-content pre {
            background: var(--dark-bg);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            overflow-x: auto;
            margin: 24px 0;
            line-height: 1.7;
            font-size: 14px;
        }
        .article-content pre code {
            background: transparent;
            color: #E8F0EA;
            padding: 0;
            font-size: 14px;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-content th {
            background: var(--primary-soft);
            font-weight: 600;
            text-align: left;
            padding: 12px 14px;
            border: 1px solid var(--border);
            color: var(--primary);
        }
        .article-content td {
            padding: 12px 14px;
            border: 1px solid var(--border);
        }

        /* ===== Empty State ===== */
        .article-empty {
            max-width: 760px;
            margin: 80px auto;
            text-align: center;
            padding: 72px 32px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .article-empty .empty-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .article-empty h2 {
            font-size: 20px;
            color: var(--text);
            margin-bottom: 8px;
        }
        .article-empty p {
            color: var(--text-sub);
            margin-bottom: 24px;
        }

        /* ===== Recommend Section ===== */
        .recommend-section {
            max-width: 1000px;
            margin: 80px auto 0;
            padding-top: 48px;
            border-top: 1px solid var(--border);
        }
        .recommend-section .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
        }
        .recommend-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
        }
        .recommend-section .more-link {
            font-size: 14px;
            color: var(--accent);
            font-weight: 600;
        }
        .recommend-section .more-link:hover {
            color: var(--accent-light);
        }
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .recommend-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 12px 14px;
            transition: all .25s;
            height: 100%;
        }
        .recommend-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(29, 77, 59, 0.2);
        }
        .recommend-card .thumb {
            width: 88px;
            height: 66px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
            background-color: #E9E6DF;
            position: relative;
            overflow: hidden;
        }
        .recommend-card .thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(29, 77, 59, 0.08), rgba(224, 122, 47, 0.06));
        }
        .recommend-card .info {
            flex: 1;
            min-width: 0;
        }
        .recommend-card h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 6px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .recommend-card .time {
            font-size: 13px;
            color: var(--text-light);
        }

        /* ===== Article Pager ===== */
        .article-pager {
            max-width: 760px;
            margin: 48px auto 0;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .pager-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            padding: 10px 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            background: var(--card-bg);
            transition: all .2s;
        }
        .pager-link:hover {
            color: var(--primary);
            border-color: rgba(29, 77, 59, 0.3);
            background: var(--primary-soft);
            box-shadow: var(--shadow-sm);
        }
        .pager-link .arrow {
            font-size: 16px;
            line-height: 1;
        }

        /* ===== Article CTA ===== */
        .article-cta {
            background: var(--dark-bg);
            border-radius: 24px;
            padding: 56px 48px;
            margin-top: 80px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(224, 122, 47, 0.14);
        }
        .article-cta::after {
            content: "";
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(46, 107, 80, 0.3);
        }
        .article-cta h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .article-cta p {
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            font-size: 16px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }
        .article-cta .btn {
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: #B7C4BC;
            padding-top: 64px;
            padding-bottom: 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .brand-text {
            color: #fff;
            margin-bottom: 16px;
            font-size: 19px;
        }
        .footer-brand .brand-mark {
            background: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #9BA9A1;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col nav {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col nav a {
            font-size: 14px;
            color: #9BA9A1;
            transition: color .2s;
        }
        .footer-col nav a:hover {
            color: var(--accent-light);
        }
        .footer-contact {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #9BA9A1;
            line-height: 1.5;
        }
        .footer-contact svg {
            color: var(--accent);
            flex-shrink: 0;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding-top: 24px;
            font-size: 13px;
            color: #7E8B84;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .recommend-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767px) {
            :root {
                --spacing-section: 56px;
            }
            .container {
                padding: 0 16px;
            }
            .site-header {
                padding: 10px 0 6px;
            }
            .nav-dock {
                padding: 8px 10px 8px 16px;
                gap: 8px;
                border-radius: 20px;
            }
            .brand-text {
                font-size: 16px;
                gap: 6px;
            }
            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 13px;
                border-radius: 8px;
            }
            .nav-links {
                display: none;
                position: absolute;
                left: 16px;
                right: 16px;
                top: calc(100% + 8px);
                background: #fff;
                border-radius: 16px;
                box-shadow: var(--shadow-lg);
                padding: 16px;
                flex-direction: column;
                gap: 4px;
                border: 1px solid var(--border);
                z-index: 50;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                display: block;
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 15px;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-actions .btn-sm {
                padding: 8px 16px;
                font-size: 13px;
            }
            .icon-btn.search-btn {
                display: none;
            }
            .article-page-main {
                padding: 28px 0 56px;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .breadcrumb .current-title {
                max-width: 160px;
            }
            .article-header {
                margin-bottom: 28px;
                padding-bottom: 24px;
            }
            .article-title {
                font-size: 24px;
            }
            .article-meta {
                gap: 10px;
                font-size: 13px;
            }
            .article-content {
                font-size: 16px;
                line-height: 1.8;
            }
            .article-content h2 {
                font-size: 21px;
                margin-top: 36px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .recommend-section {
                margin-top: 56px;
                padding-top: 32px;
            }
            .recommend-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .recommend-card {
                padding: 12px;
            }
            .recommend-card .thumb {
                width: 76px;
                height: 60px;
            }
            .article-pager {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }
            .pager-link {
                justify-content: center;
            }
            .article-cta {
                padding: 40px 24px;
                border-radius: 18px;
                margin-top: 56px;
            }
            .article-cta h2 {
                font-size: 22px;
            }
            .article-cta p {
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .nav-dock {
                padding-left: 14px;
            }
            .brand-text {
                font-size: 15px;
            }
            .nav-actions .btn-sm {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .article-meta .dot {
                display: none;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #1D4D3B;
  --primary-light: #2E6B50;
  --accent: #E07A2F;
  --accent-light: #F09A4B;
  --bg: #F7F5F0;
  --bg-alt: #EFEDE8;
  --text: #232B26;
  --text-secondary: #5E6B64;
  --text-muted: #8B958F;
  --border: #E3E0D8;
  --dark: #14241D;
  --dark-soft: #B7C4BC;
  --card-bg: #FFFFFF;
  --success: #2E8B57;
  --warning: #C03A2B;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.07);
  --shadow-hover: 0 10px 30px rgba(0,0,0,0.12);
  --space-section: 96px;
  --container: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: none; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Header dock */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 24px 0;
  transition: background 0.3s ease;
}
.site-header.scrolled {
  background: rgba(247, 245, 240, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.site-header.scrolled .header-inner {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-md);
}
.brand-text {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  white-space: nowrap;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  border-radius: 8px;
  letter-spacing: -0.03em;
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition: all 0.25s ease;
}
.nav-links a:hover {
  color: var(--primary);
  background: rgba(29, 77, 59, 0.06);
}
.nav-links a.active {
  color: var(--primary);
  background: rgba(29, 77, 59, 0.1);
  font-weight: 600;
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(29, 77, 59, 0.06);
  color: var(--primary);
  transition: background 0.25s ease;
}
.search-btn:hover { background: rgba(29, 77, 59, 0.12); }
.header-search {
  position: absolute;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  width: min(420px, calc(100% - 32px));
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  box-shadow: var(--shadow-md);
  display: none;
  z-index: 120;
}
.header-search.active { display: block; }
.header-search input {
  width: 100%;
  height: 38px;
  border: none;
  background: transparent;
  font-size: 14px;
  padding: 0 8px;
}
.header-search input:focus { outline: none; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  background: rgba(29, 77, 59, 0.08);
  border-radius: 10px;
  padding: 6px;
  transition: background 0.25s ease;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  transition: all 0.25s ease;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 0 #b85f22, 0 4px 12px rgba(224, 122, 47, 0.25);
}
.btn-primary:hover { background: var(--accent-light); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(2px); box-shadow: inset 0 2px 0 rgba(0, 0, 0, 0.15); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(29, 77, 59, 0.35);
  color: var(--primary);
}
.btn-ghost:hover { background: rgba(29, 77, 59, 0.05); border-color: var(--primary); }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 15px; }

/* Page banner */
.page-banner {
  position: relative;
  padding: 180px 0 88px;
  color: #fff;
  background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 36, 29, 0.9), rgba(29, 77, 59, 0.74));
}
.page-banner .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.88); transition: color 0.2s; }
.breadcrumb a:hover { color: #fff; }
.page-banner h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.page-banner .subtitle {
  font-size: 17px;
  max-width: 640px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 32px;
}
.banner-actions { display: flex; flex-wrap: wrap; gap: 16px; }

/* Sections */
.content-section { padding: var(--space-section) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: rgba(224, 122, 47, 0.12);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.section-head h2,
.faq-container .section-head h2,
.cta-info h2 {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head p { color: var(--text-secondary); font-size: 15px; }

/* Split blocks */
.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split-block.reverse .split-media { order: 2; }
.split-media img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.split-content h2 {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 14px;
}
.split-content p { color: var(--text-secondary); margin-bottom: 16px; }
.check-list, .scenario-list { list-style: none; margin-top: 8px; }
.check-list li, .scenario-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 12px;
}
.check-list li::before, .scenario-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(29, 77, 59, 0.12);
}
.check-list li::after {
  content: "✓";
  position: absolute;
  left: 4px;
  top: 2px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
}
.scenario-list li::before { background: rgba(224, 122, 47, 0.18); }
.scenario-list li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.step-number {
  display: block;
  font-size: 36px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: rgba(29, 77, 59, 0.16);
  line-height: 1;
  margin-bottom: 16px;
}
.process-step h3 { font-size: 17px; margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

/* Service cards */
.service-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(29, 77, 59, 0.2);
}
.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.service-card-body { padding: 24px; }
.service-card-body h3 { font-size: 18px; margin-bottom: 8px; }
.service-card-body p { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.65; }
.service-card-body a {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}
.service-card-body a:hover { color: var(--accent); }

/* Metrics */
.metrics-band {
  background: var(--dark);
  color: #fff;
  padding: 72px 0;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.metric-value {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  color: #fff;
}
.metric-label { font-size: 14px; color: var(--dark-soft); margin-top: 8px; }

/* FAQ */
.faq-section { padding: var(--space-section) 0; }
.faq-container .section-head { margin-bottom: 40px; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.faq-item.open {
  border-color: rgba(29, 77, 59, 0.3);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  transition: color 0.25s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  position: relative;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(29, 77, 59, 0.1);
  transition: transform 0.25s ease;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--primary);
  border-radius: 2px;
}
.faq-icon::before { width: 10px; height: 2px; transform: translate(-50%, -50%); }
.faq-icon::after { width: 2px; height: 10px; transform: translate(-50%, -50%); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Interlink */
.interlink-section {
  padding: 64px 0;
  background: var(--bg-alt);
}
.interlink-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.interlink-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}
.interlink-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: var(--primary);
  border-color: rgba(29, 77, 59, 0.2);
}

/* CTA */
.cta-section {
  padding: var(--space-section) 0;
  background: #fff;
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}
.cta-info h2 { margin-bottom: 16px; }
.cta-info > p { color: var(--text-secondary); margin-bottom: 24px; max-width: 420px; }
.cta-contact { list-style: none; }
.cta-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--text-secondary);
}
.cta-contact li svg { width: 18px; height: 18px; color: var(--accent); flex: 0 0 18px; }
.cta-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.form-group { display: block; margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid #D8D4CA;
  background: #FAF9F6;
  color: var(--text);
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.form-group textarea {
  height: auto;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.6;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(224, 122, 47, 0.18);
  background: #fff;
}
.cta-form .btn { width: 100%; margin-top: 8px; }
.form-success {
  display: none;
  text-align: center;
  padding: 24px 12px;
  color: var(--success);
  font-weight: 600;
  font-size: 15px;
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: var(--dark-soft);
  padding-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand .brand-text {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  max-width: 280px;
  color: #8FA299;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col nav a {
  color: var(--dark-soft);
  font-size: 14px;
  transition: color 0.25s ease;
}
.footer-col nav a:hover { color: var(--accent-light); }
.footer-contact { list-style: none; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--dark-soft);
}
.footer-contact li svg {
  flex: 0 0 16px;
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: #8FA299;
  font-size: 13px;
}

/* Responsive */
@media (max-width: 1023px) {
  .nav-links { gap: 2px; }
  .nav-links a { padding: 8px 10px; font-size: 13px; }
}
@media (min-width: 768px) and (max-width: 991px) {
  .split-block { grid-template-columns: 1fr; gap: 32px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
}
@media (max-width: 767px) {
  :root { --space-section: 56px; }
  .container { padding: 0 16px; }
  .site-header { padding: 10px 12px 0; }
  .header-inner { height: 56px; padding: 6px 10px; }
  .nav-links {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    background: #fff;
    border-radius: var(--radius-md);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    box-shadow: var(--shadow-md);
    display: none;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 16px; border-radius: 10px; font-size: 15px; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .search-btn { display: none; }
  .header-search { top: 72px; }
  .page-banner { padding: 120px 0 56px; }
  .page-banner h1 { font-size: 30px; }
  .page-banner .subtitle { font-size: 15px; }
  .banner-actions .btn { width: 100%; }
  .split-block { grid-template-columns: 1fr; gap: 32px; }
  .split-block.reverse .split-media { order: 0; }
  .split-media img { height: 220px; }
  .process-grid { grid-template-columns: 1fr; }
  .service-card-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .metric-value { font-size: 36px; }
  .cta-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-form { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .interlink-grid { grid-template-columns: 1fr; }
}