/* roulang page: index */
:root {
  --primary: #1F4A3A;
  --primary-dark: #17362B;
  --primary-light: #2D6B52;
  --dark: #1C1C1C;
  --dark-light: #2A2A2A;
  --accent: #F2A33A;
  --accent-hover: #D98D2B;
  --bg: #F6F5F1;
  --white: #FFFFFF;
  --text: #2A2A2A;
  --text-light: #6B6B6B;
  --text-faint: #9B9B9B;
  --border: #E8E5DF;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
  --container-max: 1280px;
  --sidebar-width: 240px;
  --sidebar-collapsed: 80px;
  --spacing-section: 96px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, 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-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.section-padding { padding: var(--spacing-section) 0; }
.section-title { font-size: 34px; font-weight: 800; line-height: 1.3; margin-bottom: 12px; color: var(--dark); letter-spacing: -0.02em; }
.section-subtitle { font-size: 16px; color: var(--text-light); margin-bottom: 40px; max-width: 640px; }
.text-accent { color: var(--accent); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.01em;
  line-height: 1.2;
}
.btn-accent {
  background: var(--accent);
  color: var(--dark);
  box-shadow: 0 4px 16px rgba(242,163,58,0.35);
}
.btn-accent:hover, .btn-accent:focus { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(242,163,58,0.45); }
.btn-accent:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover, .btn-outline:focus { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-outline:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.btn-dark {
  background: var(--dark);
  color: var(--white);
}
.btn-dark:hover { background: var(--primary); transform: translateY(-2px); }
.btn-block { width: 100%; }
.badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(31,74,58,0.12);
  color: var(--primary);
  line-height: 1.5;
}
.badge-accent {
  background: rgba(242,163,58,0.15);
  color: #B06E15;
}
.badge-dark {
  background: rgba(28,28,28,0.08);
  color: var(--dark);
}

/* ====== 左侧导航 ====== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--dark);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: width var(--transition);
  overflow-y: auto;
  overflow-x: hidden;
}
.sidebar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(31,74,58,0.35) 0%, transparent 40%);
  pointer-events: none;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  padding: 28px 24px 20px;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo .logo-mark {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 18px;
  color: var(--dark);
  flex-shrink: 0;
}
.sidebar-logo .logo-text {
  color: var(--white);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.sidebar-logo .logo-text span { color: var(--accent); }
.sidebar-nav { flex: 1; padding: 24px 0; }
.sidebar-nav ul { display: flex; flex-direction: column; }
.sidebar-nav li { position: relative; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 24px;
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  white-space: nowrap;
}
.sidebar-nav a i {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}
.sidebar-nav a:hover { color: var(--white); background: rgba(255,255,255,0.05); }
.sidebar-nav a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(242,163,58,0.08);
}
.sidebar-nav a.active i { color: var(--accent); }
.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  white-space: nowrap;
}
.sidebar-footer .contact-line { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 13px; color: rgba(255,255,255,0.55); }
.sidebar-footer .contact-line i { width: 16px; }
.sidebar-footer .copyright { margin-top: 12px; letter-spacing: 0.02em; }

/* ====== 移动端顶部导航 ====== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--dark);
  z-index: 1100;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.mobile-header .logo-wrap { display: flex; align-items: center; gap: 10px; }
.mobile-header .logo-mark {
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 15px;
  color: var(--dark);
}
.mobile-header .logo-text {
  color: var(--white);
  font-size: 17px;
  font-weight: 800;
}
.mobile-header .logo-text span { color: var(--accent); }
.hamburger-btn {
  width: 42px;
  height: 42px;
  background: transparent;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  border-radius: 8px;
  transition: background var(--transition);
}
.hamburger-btn:hover { background: rgba(255,255,255,0.08); }
.hamburger-btn span { display: block; width: 20px; height: 2px; background: var(--white); border-radius: 2px; transition: all 0.3s ease; }
.hamburger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-btn.open span:nth-child(2) { opacity: 0; }
.hamburger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--dark);
  z-index: 1050;
  padding: 8px 0 16px;
  transform: translateY(-120%);
  transition: transform 0.3s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  max-height: calc(100vh - 64px);
  overflow-y: auto;
}
.mobile-nav-menu.open { transform: translateY(0); }
.mobile-nav-menu a {
  display: block;
  padding: 13px 24px;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  font-weight: 500;
  border-left: 3px solid transparent;
}
.mobile-nav-menu a:hover, .mobile-nav-menu a.active { color: var(--accent); border-left-color: var(--accent); background: rgba(255,255,255,0.04); }

/* ====== 主内容区 ====== */
.main-wrapper { margin-left: var(--sidebar-width); min-height: 100vh; display: flex; flex-direction: column; }
.main-content { flex: 1; }

/* ====== Hero ====== */
.hero {
  position: relative;
  background: var(--primary);
  padding: 100px 0 90px;
  overflow: hidden;
  color: var(--white);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, var(--primary) 40%, rgba(31,74,58,0.75) 70%, rgba(31,74,58,0.4) 100%);
}
.hero-pattern {
  position: absolute;
  right: -80px;
  top: -60px;
  width: 480px;
  height: 480px;
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: 50%;
}
.hero-pattern::before {
  content: "";
  position: absolute;
  inset: 40px;
  border: 1px dashed rgba(255,255,255,0.1);
  border-radius: 50%;
}
.hero-pattern::after {
  content: "";
  position: absolute;
  inset: 100px;
  background: rgba(242,163,58,0.1);
  border-radius: 50%;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  display: inline-block;
  background: rgba(242,163,58,0.2);
  border: 1px solid rgba(242,163,58,0.3);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}
.hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--white);
}
.hero h1 .highlight { color: var(--accent); }
.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  max-width: 520px;
  line-height: 1.65;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-points { display: flex; gap: 28px; flex-wrap: wrap; }
.hero-points .point { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.75); }
.hero-points .point i { color: var(--accent); font-size: 16px; }
.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: rotate(1deg);
  border: 1px solid rgba(242,163,58,0.2);
}
.hero-image img { width: 100%; height: 380px; object-fit: cover; }
.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.3));
}
.hero-image .img-tag {
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  color: var(--white);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  border: 1px solid rgba(255,255,255,0.15);
}

/* ====== 信任数据条 ====== */
.stats-bar {
  background: var(--dark);
  padding: 40px 0;
  color: var(--white);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stats-item .num {
  font-size: 42px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  font-family: "Inter", system-ui, sans-serif;
  letter-spacing: -0.02em;
}
.stats-item .label {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-top: 6px;
}

/* ====== 痛点-方案区 ====== */
.problem-solution { background: var(--bg); }
.ps-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 60px;
}
.ps-row:last-child { margin-bottom: 0; }
.ps-row.reverse .ps-left { order: 2; }
.ps-row.reverse .ps-right { order: 1; }
.ps-left {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.ps-left::before {
  content: "?";
  position: absolute;
  top: -16px;
  left: 32px;
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
  color: var(--dark);
  box-shadow: 0 2px 8px rgba(242,163,58,0.3);
}
.ps-left .ps-label { font-size: 13px; font-weight: 700; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.ps-left h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--dark); line-height: 1.4; }
.ps-left p { font-size: 15px; color: var(--text-light); line-height: 1.7; }
.ps-right {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 36px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.ps-right::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 120px;
  height: 120px;
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 50%;
}
.ps-right .ps-label { font-size: 13px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.ps-right .ps-label::before { content: ""; width: 18px; height: 3px; background: var(--accent); border-radius: 2px; }
.ps-right h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
.ps-right p { font-size: 15px; color: rgba(255,255,255,0.75); line-height: 1.7; margin-bottom: 20px; }
.ps-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  transition: gap var(--transition);
}
.ps-link:hover { gap: 12px; color: var(--white); }

/* ====== 服务范围区 ====== */
.services { background: var(--white); }
.services-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.6fr;
  gap: 24px;
}
.service-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service-card .card-img { height: 180px; overflow: hidden; }
.service-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.service-card:hover .card-img img { transform: scale(1.04); }
.service-card .card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.service-card .badge { margin-bottom: 12px; align-self: flex-start; }
.service-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: var(--dark); }
.service-card p { font-size: 14px; color: var(--text-light); line-height: 1.65; flex: 1; margin-bottom: 16px; }
.service-card .card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-card .card-link:hover { gap: 10px; color: var(--primary-dark); }

/* ====== 成果数据横幅 ====== */
.achievements { background: var(--dark); position: relative; overflow: hidden; }
.achievements::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  border: 2px solid rgba(242,163,58,0.1);
  border-radius: 50%;
}
.achievements::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: 10%;
  width: 200px;
  height: 200px;
  border: 1px dashed rgba(255,255,255,0.06);
  border-radius: 50%;
}
.achievements-inner { position: relative; z-index: 2; }
.achievements .section-title { color: var(--white); }
.achievements .section-subtitle { color: rgba(255,255,255,0.5); }
.ach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 16px;
}
.ach-item { text-align: center; padding: 24px; border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.08); transition: background var(--transition), transform var(--transition); }
.ach-item:hover { background: rgba(255,255,255,0.03); transform: translateY(-4px); }
.ach-item .num { font-size: 48px; font-weight: 800; color: var(--accent); line-height: 1.1; font-family: "Inter", sans-serif; }
.ach-item .desc { font-size: 15px; color: rgba(255,255,255,0.7); margin-top: 10px; }

/* ====== 资讯 / CMS 区 ====== */
.news { background: var(--bg); }
.news-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; }
.news-left { }
.news-item {
  display: flex;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 16px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.news-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.news-item .news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.news-item .meta-item { font-size: 12px; color: var(--text-faint); }
.news-item .news-title { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 6px; line-height: 1.4; }
.news-item .news-title a:hover { color: var(--primary); }
.news-item .news-excerpt { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item .news-footer { display: flex; justify-content: space-between; align-items: center; }
.news-item .news-cat { font-size: 12px; color: var(--primary); background: rgba(31,74,58,0.08); padding: 2px 10px; border-radius: 10px; }
.news-item .news-time { font-size: 13px; color: var(--text-faint); }
.news-empty {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: var(--text-faint);
  background: rgba(255,255,255,0.6);
  font-size: 15px;
}
.news-side { display: flex; flex-direction: column; gap: 24px; }
.news-side-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.news-side-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 16px; color: var(--dark); padding-bottom: 12px; border-bottom: 2px solid var(--bg); }
.side-tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.side-tag-item {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--primary);
  background: rgba(31,74,58,0.08);
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}
.side-tag-item:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }
.side-recommend-list { display: flex; flex-direction: column; gap: 12px; }
.side-recommend-list a { display: flex; gap: 12px; align-items: center; font-size: 14px; color: var(--text); padding: 8px; border-radius: var(--radius-sm); transition: background var(--transition); }
.side-recommend-list a:hover { background: var(--bg); color: var(--primary); }
.side-recommend-list .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; flex-shrink: 0; }

/* ====== 预约咨询弹层 ====== */
.cta-consult {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.cta-consult::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  border: 2px solid rgba(242,163,58,0.15);
  border-radius: 50%;
}
.cta-consult::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 140px;
  height: 140px;
  background: rgba(242,163,58,0.08);
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
}
.cta-consult .inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-consult h2 { color: var(--white); font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.cta-consult p { color: rgba(255,255,255,0.7); font-size: 16px; max-width: 520px; }
.cta-consult .btn-accent { flex-shrink: 0; }
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal-overlay.active { display: flex; }
.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg);
  border: none;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
}
.modal-close-btn:hover { background: #E8E5DF; transform: rotate(90deg); }
.modal-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-box h3 { font-size: 22px; font-weight: 800; margin-bottom: 6px; color: var(--dark); }
.modal-box .modal-desc { font-size: 14px; color: var(--text-light); margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--dark); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  height: 44px;
  border: 1px solid #D0CBC1;
  border-radius: var(--radius-sm);
  padding: 0 14px;
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white);
}
.form-group textarea { height: 90px; padding-top: 10px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 2px 0 0 var(--primary), 0 0 0 3px rgba(31,74,58,0.08);
}
.form-group select { appearance: auto; }
.privacy-note {
  font-size: 12px;
  color: var(--text-faint);
  text-align: center;
  margin-top: 14px;
  line-height: 1.5;
}

/* ====== FAQ ====== */
.faq { background: var(--white); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  background: var(--bg);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item.open { box-shadow: var(--shadow-sm); border-color: rgba(31,74,58,0.3); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  gap: 16px;
  transition: background var(--transition);
}
.faq-question:hover { background: rgba(31,74,58,0.03); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--primary);
  flex-shrink: 0;
  transition: all 0.3s ease;
  background: var(--white);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); color: var(--white); border-color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner { padding: 0 24px 20px; font-size: 15px; color: var(--text-light); line-height: 1.7; border-top: 1px solid var(--border); padding-top: 16px; margin: 0 24px 20px; padding-left: 0; padding-right: 0; }

/* ====== 页脚 ====== */
.footer { background: var(--dark); padding: 56px 0 0; color: rgba(255,255,255,0.6); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; padding-bottom: 40px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .logo-mark {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
  color: var(--dark);
}
.footer-brand .logo-text { color: var(--white); font-size: 18px; font-weight: 800; }
.footer-brand .logo-text span { color: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-bottom: 16px; max-width: 320px; }
.footer h4 { color: var(--white); font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.55); transition: all var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer-contact .item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.55); }
.footer-contact .item i { color: var(--accent); width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--accent); }

/* ====== 响应式 ====== */
@media (max-width: 1024px) {
  .sidebar { width: var(--sidebar-collapsed); }
  .sidebar-logo { padding: 20px 12px; justify-content: center; }
  .sidebar-logo .logo-text { display: none; }
  .sidebar-nav a { padding: 13px 0; justify-content: center; font-size: 0; gap: 0; }
  .sidebar-nav a i { font-size: 20px; width: 30px; }
  .sidebar-nav a.active { border-left-width: 3px; }
  .sidebar-footer { display: none; }
  .main-wrapper { margin-left: var(--sidebar-collapsed); }
  .hero h1 { font-size: 36px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-image img { height: 280px; }
  .service-card { padding: 0; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .services-grid .service-card:first-child { grid-column: 1 / -1; }
  .ps-row { grid-template-columns: 1fr; gap: 32px; }
  .ps-row.reverse .ps-left { order: 1; }
  .ps-row.reverse .ps-right { order: 2; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .ach-grid { grid-template-columns: 1fr; gap: 20px; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --spacing-section: 64px; }
  .sidebar { display: none; }
  .mobile-header { display: flex; }
  .main-wrapper { margin-left: 0; padding-top: 64px; }
  .container { padding: 0 16px; }
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 30px; line-height: 1.3; }
  .hero-sub { font-size: 16px; margin-bottom: 24px; }
  .hero-cta { flex-direction: column; width: 100%; }
  .hero-cta .btn { width: 100%; }
  .hero-points { flex-direction: column; gap: 10px; }
  .section-title { font-size: 26px; }
  .section-subtitle { font-size: 15px; margin-bottom: 28px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stats-item .num { font-size: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .services-grid .service-card:first-child { grid-column: 1; }
  .ps-left, .ps-right { padding: 24px; }
  .cta-consult { padding: 32px 24px; }
  .cta-consult h2 { font-size: 22px; }
  .cta-consult .inner { flex-direction: column; text-align: center; gap: 20px; }
  .cta-consult p { font-size: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .modal-box { padding: 28px 20px; }
  .news-item { flex-direction: column; gap: 12px; padding: 18px; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-answer-inner { margin: 0 18px 16px; font-size: 14px; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 26px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-item .num { font-size: 28px; }
  .btn { width: 100%; text-align: center; }
}

/* roulang page: article */
:root {
  --primary: #1F4A3A;
  --primary-dark: #163528;
  --primary-light: #2A5F4A;
  --dark: #1C1C1C;
  --accent: #F2A33A;
  --accent-dark: #D98D2B;
  --bg: #F6F5F1;
  --white: #FFFFFF;
  --text: #1C1C1C;
  --text-muted: #6B6B6B;
  --text-light: #9A9A9A;
  --border: #E8E5DF;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "Inter", "Roboto Mono", system-ui, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  display: flex;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol {
  list-style: none;
}

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

/* ===== 左侧导航 ===== */
.sidebar {
  width: 240px;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--dark) 0%, #111111 100%);
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  padding: 32px 0 24px;
  border-right: 1px solid rgba(255,255,255,0.03);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px 36px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 24px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: var(--dark);
  font-weight: 800;
  font-size: 14px;
  border-radius: 10px;
  letter-spacing: -0.5px;
  font-family: var(--font-num);
  flex-shrink: 0;
}

.logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
  line-height: 1.2;
  white-space: nowrap;
}

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

.sidebar-nav {
  flex: 1;
  padding: 0 0;
}

.sidebar-nav ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
  color: rgba(255,255,255,0.6);
  font-size: 15px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all var(--transition);
  position: relative;
}

.sidebar-nav a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.05);
  border-left-color: rgba(242,163,58,0.4);
}

.sidebar-nav a.active {
  color: var(--white);
  background: rgba(242,163,58,0.08);
  border-left-color: var(--accent);
  font-weight: 600;
}

.sidebar-nav a.active i {
  color: var(--accent);
}

.sidebar-nav i {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-contact {
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  font-family: var(--font-num);
}

.sidebar-contact i {
  color: var(--accent);
  font-size: 15px;
}

/* ===== 移动端顶栏 ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--dark);
  z-index: 300;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

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

.mobile-brand .logo-mark {
  width: 34px;
  height: 34px;
  font-size: 12px;
  border-radius: 8px;
}

.mobile-brand .logo-text {
  font-size: 19px;
}

.menu-toggle {
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 22px;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.menu-toggle:hover {
  background: rgba(255,255,255,0.1);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--dark);
  z-index: 299;
  padding: 12px 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  transform: translateY(-12px);
  opacity: 0;
  transition: all 0.25s ease;
  pointer-events: none;
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}

.mobile-menu a:hover {
  background: rgba(255,255,255,0.05);
  color: var(--white);
}

.mobile-menu a.active {
  color: var(--white);
  border-left-color: var(--accent);
  background: rgba(242,163,58,0.06);
}

.mobile-menu a i {
  width: 20px;
  text-align: center;
  color: rgba(255,255,255,0.5);
}

.mobile-menu a.active i {
  color: var(--accent);
}

.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  z-index: 250;
}

/* ===== 主内容区 ===== */
.main-wrap {
  flex: 1;
  margin-left: 240px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ===== 文章 Banner ===== */
.article-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 56px 0 88px;
  position: relative;
  overflow: hidden;
}

.article-banner::before {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 320px;
  height: 320px;
  border: 2px solid rgba(255,255,255,0.07);
  border-radius: 50%;
}

.article-banner::after {
  content: '';
  position: absolute;
  right: 40px;
  top: 60px;
  width: 160px;
  height: 160px;
  border: 1px dashed rgba(255,255,255,0.1);
  border-radius: 50%;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 28px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

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

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

.breadcrumb i {
  font-size: 11px;
  opacity: 0.5;
}

.breadcrumb .current {
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-head {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.article-head h1 {
  font-size: 34px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-item i {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.category-badge {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  padding: 3px 14px;
  font-size: 13px;
  font-weight: 500;
  transition: background var(--transition);
}

.category-badge:hover {
  background: rgba(255,255,255,0.2);
}

/* ===== 正文区 ===== */
.article-body-wrap {
  background: var(--bg);
  padding: 0 0 56px;
}

.article-content {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  max-width: 900px;
  margin: -32px auto 0;
  padding: 56px 72px;
  position: relative;
  z-index: 5;
}

.cms-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16.5px;
  line-height: 1.8;
  color: #2A2A2A;
}

.cms-content p {
  margin-bottom: 1.3em;
}

.cms-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin: 2em 0 0.7em;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(31,74,58,0.1);
}

.cms-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin: 1.6em 0 0.6em;
}

.cms-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 1.4em 0 0.5em;
}

.cms-content blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(242,163,58,0.06);
  padding: 16px 24px;
  margin: 1.8em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #444;
  font-style: normal;
}

.cms-content blockquote p {
  margin-bottom: 0;
}

.cms-content img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin: 24px 0;
}

.cms-content ul {
  list-style: disc;
  padding-left: 1.5em;
  margin-bottom: 1.3em;
}

.cms-content ol {
  list-style: decimal;
  padding-left: 1.5em;
  margin-bottom: 1.3em;
}

.cms-content ul li, .cms-content ol li {
  margin-bottom: 0.5em;
}

.cms-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  overflow-x: auto;
}

.cms-content table th {
  background: rgba(31,74,58,0.06);
  color: var(--primary);
  font-weight: 600;
  text-align: left;
}

.cms-content table th, .cms-content table td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  font-size: 15px;
}

.cms-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.cms-content a:hover {
  color: var(--accent-dark);
}

/* 内容未找到 */
.not-found {
  text-align: center;
  padding: 60px 30px;
}

.not-found-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: rgba(242,163,58,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--accent);
}

.not-found h2 {
  font-size: 26px;
  color: var(--text);
  margin-bottom: 12px;
}

.not-found p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.2;
}

.btn-accent {
  background: var(--accent);
  color: var(--dark);
}

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242,163,58,0.3);
}

.btn-accent:focus-visible {
  outline: 2px solid rgba(242,163,58,0.5);
  outline-offset: 2px;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline:focus-visible {
  outline: 2px solid rgba(31,74,58,0.4);
  outline-offset: 2px;
}

.btn-light {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.5);
  color: var(--white);
}

.btn-light:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
  min-height: 52px;
}

/* ===== 文章底部 ===== */
.article-footer {
  max-width: 720px;
  margin: 40px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.article-footer .back-link {
  color: var(--text-muted);
  font-size: 14px;
  transition: color var(--transition);
}

.article-footer .back-link:hover {
  color: var(--primary);
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 72px 0;
  background: var(--bg);
}

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

.section-head .section-tag {
  display: inline-block;
  background: rgba(31,74,58,0.08);
  color: var(--primary);
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 520px;
  margin: 12px auto 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.related-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(31,74,58,0.2);
}

.related-thumb {
  height: 150px;
  overflow: hidden;
  position: relative;
  background: var(--primary-light);
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.related-card:hover .related-thumb img {
  transform: scale(1.06);
}

.related-thumb::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.related-card:hover .related-thumb::after {
  opacity: 1;
}

.related-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.related-body .badge {
  display: inline-block;
  background: rgba(31,74,58,0.08);
  color: var(--primary);
  padding: 3px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
  align-self: flex-start;
}

.related-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}

.related-card:hover .related-body h3 {
  color: var(--primary);
}

.related-body .date {
  font-size: 13px;
  color: var(--text-light);
  font-family: var(--font-num);
  margin-top: auto;
}

.related-empty {
  text-align: center;
  padding: 48px 24px;
  background: rgba(255,255,255,0.5);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  grid-column: 1 / -1;
  color: var(--text-muted);
}

.related-empty i {
  font-size: 30px;
  color: var(--border);
  display: block;
  margin-bottom: 12px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 72px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(31,74,58,0.9) 0%, rgba(28,28,28,0.85) 100%);
  border-radius: 20px;
  padding: 64px 56px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  position: relative;
}

.cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31,74,58,0.88) 0%, rgba(28,28,28,0.82) 100%);
  border-radius: 20px;
}

.cta-content {
  position: relative;
  z-index: 3;
}

.cta-content h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.cta-content p {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 28px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
  max-width: 320px;
}

.footer h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.footer-links a::before {
  content: '';
  width: 4px;
  height: 4px;
  background: rgba(255,255,255,0.3);
  border-radius: 50%;
  transition: background var(--transition);
}

.footer-links a:hover::before {
  background: var(--accent);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.footer-contact .item:hover {
  color: var(--accent);
}

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

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

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

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
  .container {
    max-width: 1080px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .sidebar {
    width: 80px;
  }
  .sidebar-brand {
    justify-content: center;
    padding: 0 0 28px;
  }
  .sidebar-brand .logo-text,
  .sidebar-nav a span,
  .sidebar-contact span {
    display: none;
  }
  .sidebar-nav a {
    justify-content: center;
    padding: 14px 0;
    border-left: none;
    border-bottom: 3px solid transparent;
  }
  .sidebar-nav a.active {
    border-left: none;
    border-bottom-color: var(--accent);
  }
  .sidebar-nav i {
    font-size: 18px;
  }
  .sidebar-contact {
    justify-content: center;
    padding: 20px 0;
  }
  .main-wrap {
    margin-left: 80px;
  }
  .article-content {
    padding: 48px 40px;
  }
}

@media (max-width: 768px) {
  body {
    display: block;
  }
  .sidebar {
    display: none;
  }
  .mobile-header {
    display: flex;
  }
  .mobile-menu {
    display: block;
  }
  .mobile-overlay {
    display: block;
    pointer-events: none;
  }
  .mobile-overlay.open {
    pointer-events: auto;
  }
  .main-wrap {
    margin-left: 0;
    padding-top: 64px;
  }
  .container {
    padding: 0 16px;
  }
  .article-banner {
    padding: 36px 0 72px;
  }
  .article-head h1 {
    font-size: 26px;
    line-height: 1.4;
  }
  .breadcrumb {
    font-size: 13px;
    margin-bottom: 20px;
  }
  .article-content {
    margin: -24px 0 0;
    padding: 32px 20px;
    border-radius: var(--radius);
  }
  .cms-content {
    font-size: 15.5px;
  }
  .cms-content h2 {
    font-size: 21px;
  }
  .cms-content h3 {
    font-size: 18px;
  }
  .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .cta-inner {
    padding: 48px 24px;
  }
  .cta-content h2 {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .article-head h1 {
    font-size: 23px;
  }
  .article-meta {
    gap: 10px;
    font-size: 13px;
  }
  .meta-item {
    flex-wrap: wrap;
  }
  .related-thumb {
    height: 180px;
  }
  .cta-content h2 {
    font-size: 21px;
  }
  .cta-content p {
    font-size: 15px;
  }
}

/* 打印样式 */
@media print {
  .sidebar, .mobile-header, .cta-section, .footer {
    display: none !important;
  }
  .main-wrap {
    margin-left: 0 !important;
    padding-top: 0 !important;
  }
  .article-content {
    box-shadow: none !important;
    margin: 0 !important;
    padding: 0 !important;
  }
}

/* roulang page: category1 */
:root {
      --primary: #1F4A3A;
      --primary-dark: #143528;
      --primary-soft: #EAF3EE;
      --dark: #1C1C1C;
      --amber: #F2A33A;
      --amber-dark: #D98D2B;
      --bg: #F6F5F1;
      --white: #FFFFFF;
      --border: #E8E5DF;
      --text: #262626;
      --text-light: #5F6B66;
      --text-faint: #9CA8A2;
      --radius: 12px;
      --shadow: 0 2px 8px rgba(0,0,0,0.04);
      --shadow-hover: 0 8px 24px rgba(0,0,0,0.08);
      --transition: 0.2s ease;
    }

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      font-size: 16px;
    }

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

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

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

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

    /* ===== 左侧导航 ===== */
    .sidebar {
      position: fixed;
      top: 0;
      left: 0;
      width: 240px;
      height: 100vh;
      background: linear-gradient(180deg, #1C1C1C 0%, #14231D 100%);
      color: #fff;
      z-index: 100;
      display: flex;
      flex-direction: column;
      padding: 28px 0;
      transition: width 0.2s ease;
    }

    .sidebar-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 20px 28px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
      margin-bottom: 16px;
    }

    .logo-mark {
      width: 38px;
      height: 38px;
      background: var(--amber);
      color: var(--dark);
      font-weight: 800;
      font-size: 15px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      letter-spacing: -0.5px;
      flex-shrink: 0;
    }

    .logo-text {
      font-weight: 700;
      font-size: 20px;
      white-space: nowrap;
    }

    .logo-text span {
      color: var(--amber);
    }

    .sidebar-nav ul {
      list-style: none;
    }

    .sidebar-nav a {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 20px;
      color: rgba(255,255,255,0.7);
      font-size: 15px;
      transition: background var(--transition), color var(--transition);
      border-left: 3px solid transparent;
    }

    .sidebar-nav a i {
      width: 20px;
      text-align: center;
      flex-shrink: 0;
    }

    .sidebar-nav a:hover {
      color: #fff;
      background: rgba(255,255,255,0.05);
    }

    .sidebar-nav a.active {
      color: var(--amber);
      background: rgba(255,255,255,0.03);
      border-left-color: var(--amber);
      font-weight: 600;
    }

    .sidebar-contact {
      margin-top: auto;
      padding: 24px 20px;
      border-top: 1px solid rgba(255,255,255,0.08);
      font-size: 13px;
      color: rgba(255,255,255,0.5);
    }

    .sidebar-contact .phone {
      font-size: 16px;
      color: #fff;
      font-weight: 600;
      margin-top: 4px;
    }

    /* ===== 移动端顶部导航 ===== */
    .mobile-header {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background: var(--dark);
      z-index: 100;
      box-shadow: 0 2px 12px rgba(0,0,0,0.2);
    }

    .mobile-header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 60px;
      padding: 0 16px;
    }

    .mobile-logo {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .mobile-logo .logo-mark {
      width: 32px;
      height: 32px;
      font-size: 13px;
      border-radius: 6px;
    }

    .mobile-logo .logo-text {
      font-size: 18px;
      color: #fff;
    }

    .mobile-logo .logo-text span {
      color: var(--amber);
    }

    .mobile-toggle {
      width: 40px;
      height: 40px;
      color: #fff;
      font-size: 18px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255,255,255,0.1);
      transition: background var(--transition);
    }

    .mobile-toggle:hover {
      background: rgba(255,255,255,0.2);
    }

    .mobile-menu {
      display: none;
      padding: 8px 16px 20px;
    }

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

    .mobile-menu a {
      display: block;
      padding: 12px 8px;
      color: rgba(255,255,255,0.75);
      border-bottom: 1px solid rgba(255,255,255,0.06);
      font-size: 15px;
      transition: color var(--transition);
    }

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

    .mobile-menu a:hover {
      color: #fff;
    }

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

    /* ===== 主内容 ===== */
    .main-wrapper {
      margin-left: 240px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 28px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 15px;
      line-height: 1.4;
      transition: all var(--transition);
    }

    .btn-primary {
      background: var(--amber);
      color: #1C1C1C;
    }

    .btn-primary:hover {
      background: var(--amber-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(242,163,58,0.3);
    }

    .btn-primary:focus-visible {
      outline: 2px solid var(--amber);
      outline-offset: 2px;
    }

    .btn-outline {
      border: 2px solid rgba(255,255,255,0.55);
      color: #fff;
      background: transparent;
    }

    .btn-outline:hover {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
    }

    .btn-outline:focus-visible {
      outline: 2px solid var(--amber);
      outline-offset: 2px;
    }

    /* ===== Hero ===== */
    .hero {
      position: relative;
      padding: 96px 0 104px;
      background: linear-gradient(135deg, #17211D 0%, var(--primary) 100%);
      color: #fff;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      top: 0;
      right: 0;
      width: 52%;
      height: 100%;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.22;
      clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(23,33,29,0.55) 0%, rgba(31,74,58,0.15) 100%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .hero-tag {
      display: inline-block;
      background: rgba(242,163,58,0.16);
      color: var(--amber);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }

    .hero h1 {
      font-size: 44px;
      line-height: 1.28;
      font-weight: 800;
      max-width: 620px;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-sub {
      font-size: 18px;
      color: rgba(255,255,255,0.8);
      max-width: 540px;
      margin-bottom: 36px;
      line-height: 1.7;
    }

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

    /* ===== 数据条 ===== */
    .stats-bar {
      background: var(--dark);
      padding: 42px 0;
      border-top: 1px solid rgba(255,255,255,0.06);
    }

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

    .stat-item {
      text-align: center;
      padding: 8px 0;
    }

    .stat-number {
      font-size: 38px;
      font-weight: 800;
      color: var(--amber);
      font-family: Inter, system-ui, sans-serif;
      line-height: 1.2;
      letter-spacing: -1px;
    }

    .stat-label {
      font-size: 14px;
      color: rgba(255,255,255,0.6);
      margin-top: 6px;
    }

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

    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 56px;
    }

    .section-head h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 12px;
      line-height: 1.3;
      letter-spacing: -0.3px;
    }

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

    /* ===== 痛点-方案 ===== */
    .solution-section {
      padding: 96px 0;
    }

    .solution-item {
      display: grid;
      grid-template-columns: 1fr 60px 1fr;
      gap: 24px;
      align-items: center;
      margin-bottom: 28px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 36px;
      transition: box-shadow var(--transition), transform var(--transition);
    }

    .solution-item:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }

    .solution-problem h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .solution-problem h3::before {
      content: '';
      width: 5px;
      height: 22px;
      background: var(--amber);
      border-radius: 3px;
      flex-shrink: 0;
    }

    .solution-problem p {
      color: var(--text-light);
      font-size: 15px;
      margin-left: 15px;
    }

    .solution-arrow {
      text-align: center;
      color: var(--primary);
      font-size: 20px;
    }

    .solution-offer {
      background: var(--primary-soft);
      border-radius: 12px;
      padding: 28px 24px;
      border-left: 4px solid var(--primary);
    }

    .solution-offer h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .solution-offer p {
      color: var(--text-light);
      font-size: 15px;
      margin-bottom: 14px;
      line-height: 1.65;
    }

    .solution-offer a {
      color: var(--primary);
      font-weight: 600;
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: color var(--transition);
    }

    .solution-offer a:hover {
      color: var(--amber-dark);
    }

    .solution-item.reverse .solution-problem {
      order: 3;
    }

    .solution-item.reverse .solution-arrow {
      order: 2;
    }

    .solution-item.reverse .solution-offer {
      order: 1;
    }

    /* ===== 适用场景 ===== */
    .scenarios {
      padding: 96px 0;
      background: var(--white);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

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

    .scenario-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      transition: box-shadow var(--transition), transform var(--transition);
    }

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

    .scenario-card img {
      height: 210px;
      width: 100%;
      object-fit: cover;
    }

    .scenario-card-body {
      padding: 24px 24px 28px;
    }

    .scenario-card-body h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .scenario-card-body h3 i {
      color: var(--primary);
      font-size: 17px;
    }

    .scenario-card-body p {
      color: var(--text-light);
      font-size: 14px;
      line-height: 1.7;
    }

    /* ===== 流程 ===== */
    .process-section {
      padding: 96px 0;
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 20px;
    }

    .process-step {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 32px 20px;
      text-align: center;
      position: relative;
      transition: box-shadow var(--transition), transform var(--transition);
    }

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

    .process-step::after {
      content: '';
      position: absolute;
      top: 50%;
      right: -14px;
      width: 8px;
      height: 8px;
      border-top: 2px solid var(--border);
      border-right: 2px solid var(--border);
      transform: rotate(45deg) translateY(-50%);
    }

    .process-step:last-child::after {
      display: none;
    }

    .step-num {
      font-size: 38px;
      font-weight: 800;
      color: var(--primary);
      opacity: 0.22;
      line-height: 1;
      display: block;
      margin-bottom: 14px;
      font-family: Inter, "Roboto Mono", monospace;
    }

    .process-step h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.65;
    }

    /* ===== 成果横幅 ===== */
    .achievement {
      background: var(--dark);
      padding: 80px 0;
      color: #fff;
    }

    .achievement-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
      text-align: center;
    }

    .achievement-item {
      padding: 24px 16px;
    }

    .achievement-number {
      font-size: 48px;
      font-weight: 800;
      color: var(--amber);
      font-family: Inter, system-ui, sans-serif;
      line-height: 1.2;
      letter-spacing: -1px;
    }

    .achievement-item p {
      color: rgba(255,255,255,0.65);
      font-size: 15px;
      margin-top: 10px;
    }

    /* ===== FAQ ===== */
    .faq-section {
      padding: 96px 0;
      background: var(--white);
      border-bottom: 1px solid var(--border);
    }

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

    .faq-item {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 14px;
      margin-bottom: 16px;
      overflow: hidden;
      transition: box-shadow var(--transition), border-color var(--transition);
    }

    .faq-item.open {
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      text-align: left;
      color: var(--text);
      transition: color var(--transition);
    }

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

    .faq-icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--primary-soft);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 12px;
      transition: transform var(--transition), background var(--transition), color var(--transition);
    }

    .faq-item.open .faq-icon {
      background: var(--primary);
      color: #fff;
      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-inner {
      padding: 0 24px 24px;
      color: var(--text-light);
      font-size: 15px;
      line-height: 1.7;
      border-top: 1px solid var(--border);
      padding-top: 16px;
      margin: 0 24px 24px;
      padding-left: 0;
      padding-right: 0;
      padding-bottom: 0;
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 96px 0;
    }

    .cta-inner {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      border-radius: 20px;
      padding: 64px 48px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .cta-inner::after {
      content: '';
      position: absolute;
      right: -60px;
      bottom: -60px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      border: 2px solid rgba(255,255,255,0.08);
    }

    .cta-inner::before {
      content: '';
      position: absolute;
      left: -40px;
      top: -40px;
      width: 140px;
      height: 140px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.06);
    }

    .cta-inner h2 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 12px;
      position: relative;
      z-index: 1;
    }

    .cta-inner p {
      color: rgba(255,255,255,0.8);
      margin-bottom: 28px;
      font-size: 16px;
      position: relative;
      z-index: 1;
    }

    .cta-inner .btn {
      position: relative;
      z-index: 1;
    }

    /* ===== 页脚 ===== */
    .footer {
      background: var(--dark);
      color: rgba(255,255,255,0.7);
      padding: 64px 0 0;
    }

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

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

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .footer-logo .logo-mark {
      background: var(--amber);
      color: var(--dark);
    }

    .footer-logo .logo-text {
      color: #fff;
      font-weight: 700;
      font-size: 20px;
    }

    .footer-logo .logo-text span {
      color: var(--amber);
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      max-width: 360px;
      color: rgba(255,255,255,0.6);
    }

    .footer h4 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 16px;
      font-weight: 600;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

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

    .footer-links a:hover {
      color: var(--amber);
    }

    .footer-contact .item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      margin-bottom: 10px;
      color: rgba(255,255,255,0.65);
    }

    .footer-contact i {
      color: var(--amber);
      width: 16px;
      flex-shrink: 0;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding: 24px 0;
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      color: rgba(255,255,255,0.45);
      flex-wrap: wrap;
      gap: 8px;
    }

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

    .footer-bottom a:hover {
      color: var(--amber);
    }

    /* ===== 弹层 ===== */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.5);
      z-index: 500;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 16px;
    }

    .modal-overlay.open {
      display: flex;
    }

    .modal {
      background: #fff;
      border-radius: 16px;
      max-width: 520px;
      width: 100%;
      padding: 36px;
      position: relative;
      max-height: 90vh;
      overflow-y: auto;
      box-shadow: 0 24px 60px rgba(0,0,0,0.2);
    }

    .modal-close {
      position: absolute;
      top: 16px;
      right: 16px;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--bg);
      color: var(--text);
      font-size: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background var(--transition), transform var(--transition);
    }

    .modal-close:hover {
      background: #e5e0d8;
      transform: rotate(90deg);
    }

    .modal h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .modal .modal-sub {
      color: var(--text-light);
      font-size: 14px;
      margin-bottom: 24px;
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text);
    }

    .form-group input,
    .form-group select {
      width: 100%;
      height: 44px;
      border: 1px solid #D0CBC1;
      border-radius: 8px;
      padding: 0 14px;
      font-size: 14px;
      font-family: inherit;
      transition: border-color var(--transition), box-shadow var(--transition);
      background: #fff;
      color: var(--text);
    }

    .form-group input:focus,
    .form-group select:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 2px 0 var(--primary);
    }

    .modal .btn {
      width: 100%;
      margin-top: 8px;
    }

    .privacy-note {
      font-size: 12px;
      color: var(--text-faint);
      text-align: center;
      margin-top: 14px;
      line-height: 1.6;
    }

    .form-success {
      display: none;
      background: var(--primary-soft);
      border-radius: 8px;
      padding: 12px 16px;
      font-size: 14px;
      color: var(--primary);
      margin-top: 16px;
      text-align: center;
      font-weight: 600;
    }

    .form-success.visible {
      display: block;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .sidebar {
        width: 80px;
      }

      .sidebar .logo-text,
      .sidebar-nav span,
      .sidebar-contact {
        display: none;
      }

      .sidebar-brand {
        justify-content: center;
        padding: 0 0 24px;
      }

      .sidebar-nav a {
        justify-content: center;
        padding: 14px 0;
        border-left: none;
        border-left: 3px solid transparent;
      }

      .main-wrapper {
        margin-left: 80px;
      }

      .solution-item {
        grid-template-columns: 1fr 40px 1fr;
        padding: 24px;
      }

      .process-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
      }

      .process-step::after {
        display: none;
      }

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

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

      .mobile-header {
        display: block;
      }

      .main-wrapper {
        margin-left: 0;
        padding-top: 60px;
      }

      .hero {
        padding: 48px 0 64px;
      }

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

      .hero-sub {
        font-size: 16px;
        margin-bottom: 28px;
      }

      .hero-bg {
        width: 100%;
        opacity: 0.14;
        clip-path: none;
      }

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

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }

      .stat-number {
        font-size: 30px;
      }

      .section {
        padding: 64px 0;
      }

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

      .solution-item {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 24px;
      }

      .solution-arrow {
        transform: rotate(90deg);
      }

      .solution-item.reverse .solution-problem {
        order: 0;
      }

      .solution-item.reverse .solution-arrow {
        order: 0;
      }

      .solution-item.reverse .solution-offer {
        order: 0;
      }

      .section-head {
        margin-bottom: 36px;
      }

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

      .scenarios {
        padding: 64px 0;
      }

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

      .scenario-card img {
        height: 180px;
      }

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

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

      .achievement {
        padding: 56px 0;
      }

      .achievement-grid {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .achievement-number {
        font-size: 38px;
      }

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

      .faq-question {
        padding: 16px 18px;
        font-size: 15px;
      }

      .faq-answer-inner {
        font-size: 14px;
      }

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

      .cta-inner {
        padding: 40px 24px;
      }

      .cta-inner h2 {
        font-size: 24px;
      }

      .footer {
        padding-top: 48px;
      }

      .footer .container {
        padding: 0 20px;
      }

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

      .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 20px 0;
      }
    }

    @media (max-width: 520px) {
      .hero-buttons {
        flex-direction: column;
        align-items: stretch;
      }

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

      .hero h1 {
        font-size: 26px;
      }

      .hero-sub {
        font-size: 15px;
      }

      .container {
        padding: 0 16px;
      }

      .hero-content {
        padding: 0 16px;
      }

      .stats-grid {
        gap: 12px;
      }

      .stat-label {
        font-size: 13px;
      }

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

      .modal {
        padding: 24px;
      }

      .cta-inner {
        padding: 32px 20px;
      }

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

/* roulang page: category3 */
:root {
    --primary: #1F4A3A;
    --primary-dark: #173A2E;
    --primary-light: #2E634D;
    --accent: #F2A33A;
    --accent-dark: #D98D2B;
    --ink: #1C1C1C;
    --paper: #F6F5F1;
    --white: #FFFFFF;
    --gray: #6E6A63;
    --light-gray: #B0ACA3;
    --border: #E8E5DF;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.10);
    --transition: all 0.25s ease;
    --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
}

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

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

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

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

/* Layout */
.layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--ink);
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 100;
}

.sidebar-brand {
    padding: 32px 24px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.logo-mark {
    width: 42px;
    height: 42px;
    background: var(--accent);
    color: var(--ink);
    font-weight: 800;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    letter-spacing: -0.5px;
}

.logo-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 0.5px;
}

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

.sidebar-nav {
    flex: 1;
    padding: 24px 16px;
    overflow-y: auto;
}

.sidebar-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 16px;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.72);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.sidebar-nav a i {
    width: 20px;
    text-align: center;
    font-size: 15px;
}

.sidebar-nav a:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.08);
}

.sidebar-nav a.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.06);
    font-weight: 600;
}

.sidebar-nav a.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--accent);
    border-radius: 0 4px 4px 0;
}

.sidebar-contact {
    padding: 20px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.sidebar-contact p {
    margin-bottom: 4px;
}

.sidebar-contact .phone {
    color: var(--accent);
    font-weight: 600;
    font-size: 15px;
}

/* Main Content */
.main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

/* Topbar Mobile */
.topbar {
    display: none;
    background: var(--ink);
    color: var(--white);
    padding: 0 16px;
    height: 60px;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar .logo {
    gap: 8px;
}

.topbar .logo-mark {
    width: 34px;
    height: 34px;
    font-size: 13px;
}

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

.hamburger {
    background: none;
    border: none;
    color: var(--white);
    font-size: 22px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--ink);
    z-index: 99;
    padding: 12px 16px 20px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

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

.mobile-nav ul {
    list-style: none;
}

.mobile-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 12px;
    color: rgba(255, 255, 255, 0.78);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.mobile-nav a:hover,
.mobile-nav a.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.08);
}

.mobile-nav a i {
    width: 20px;
    text-align: center;
}

/* Page Content */
.page-content {
    flex: 1;
}

/* Breadcrumb */
.breadcrumb {
    padding: 24px 0 0;
    font-size: 14px;
    color: var(--gray);
}

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

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

.breadcrumb .sep {
    margin: 0 8px;
    color: var(--light-gray);
}

.breadcrumb .current {
    color: var(--primary);
    font-weight: 600;
}

/* Page Hero */
.page-hero {
    position: relative;
    padding: 56px 0 48px;
    background: var(--white);
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary) 60%, var(--accent) 60%, var(--accent) 100%);
}

.page-hero h1 {
    font-size: 40px;
    line-height: 1.25;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--ink);
    letter-spacing: -0.5px;
}

.page-hero h1 .accent-text {
    color: var(--primary);
}

.page-hero .subtitle {
    font-size: 18px;
    color: var(--gray);
    max-width: 680px;
    line-height: 1.7;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(31, 74, 58, 0.08);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 999px;
}

.badge i {
    font-size: 12px;
}

/* Banner */
.banner-section {
    padding: 40px 0 0;
}

.banner-image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
    opacity: 0.4;
}

.banner-overlay {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 24px;
    max-width: 640px;
}

.banner-overlay h2 {
    color: var(--white);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.banner-overlay p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
}

/* Section Generic */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--white);
}

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

.section-head h2 {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 12px;
    color: var(--ink);
    letter-spacing: -0.3px;
}

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

.section-head .eyebrow {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

/* Service Cards */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    opacity: 0;
    transition: var(--transition);
}

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

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(31, 74, 58, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--white);
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/* Feature split */
.split-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 64px;
}

.split-row:last-child {
    margin-bottom: 0;
}

.split-image {
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    min-height: 260px;
}

.split-image img {
    width: 100%;
    height: 100%;
    min-height: 260px;
    object-fit: cover;
}

.split-text h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.35;
}

.split-text p {
    color: var(--gray);
    font-size: 15px;
    margin-bottom: 12px;
}

.split-text .feature-points {
    list-style: none;
    margin-top: 16px;
    display: grid;
    gap: 10px;
}

.split-text .feature-points li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
}

.split-text .feature-points i {
    color: var(--primary);
    font-size: 14px;
    margin-top: 5px;
}

.split-text .btn-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 16px;
    font-size: 15px;
}

.split-text .btn-link:hover {
    color: var(--accent-dark);
    gap: 10px;
}

/* Dark stats band */
.stats-band {
    background: var(--ink);
    padding: 64px 0;
}

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

.stat-item {
    text-align: center;
    padding: 24px 16px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.stat-number {
    font-size: 44px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    font-family: Inter, var(--font);
    letter-spacing: -1px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

/* Flow steps */
.flow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.flow-step {
    text-align: center;
    padding: 28px 16px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    position: relative;
    transition: var(--transition);
}

.flow-step:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 16px;
}

.step-num .arrow {
    position: absolute;
    right: -18px;
    top: 50%;
    color: var(--light-gray);
    font-size: 14px;
}

.flow-step h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.flow-step p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.6;
}

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

.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(31, 74, 58, 0.3);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    color: var(--ink);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
}

.faq-question .faq-toggle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 12px;
    flex-shrink: 0;
    transition: var(--transition);
}

.faq-item.open .faq-toggle {
    background: var(--primary);
    color: var(--white);
    transform: rotate(45deg);
}

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

.faq-answer-inner {
    padding: 0 24px 22px;
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

/* CTA */
.cta-section {
    background: var(--primary);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
}

.cta-inner {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-inner h2 {
    color: var(--white);
    font-size: 34px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-inner p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 17px;
    margin-bottom: 32px;
}

.btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    min-height: 44px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(242, 163, 58, 0.3);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--primary);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline-dark {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline-dark:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* CTA Panel */
.cta-panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    box-shadow: var(--shadow);
}

.cta-panel h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-panel p {
    color: var(--gray);
    font-size: 15px;
}

/* Content list */
.content-section {
    padding: 80px 0;
}

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

.content-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

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

.content-card .tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(31, 74, 58, 0.08);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.content-card h3 {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 8px;
}

.content-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.65;
}

.content-card .meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

/* Pagination / return */
.list-footer {
    text-align: center;
    margin-top: 48px;
}

/* Footer */
.footer {
    background: var(--ink);
    color: var(--white);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 14px;
}

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

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    max-width: 360px;
}

.footer h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--white);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

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

.footer-contact {
    display: grid;
    gap: 10px;
}

.footer-contact .item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
}

.footer-contact .item i {
    color: var(--accent);
    width: 16px;
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
}

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

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.open {
    display: flex;
}

.modal {
    background: var(--white);
    border-radius: 16px;
    max-width: 520px;
    width: 100%;
    padding: 32px;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--gray);
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--paper);
    color: var(--ink);
}

.modal h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal p {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ink);
}

.form-control {
    width: 100%;
    height: 44px;
    padding: 0 14px;
    border: 1px solid #D0CBC1;
    border-radius: var(--radius-sm);
    background: var(--white);
    font-size: 15px;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    border-bottom-color: var(--primary);
    box-shadow: 0 2px 0 rgba(31, 74, 58, 0.15);
}

select.form-control {
    appearance: auto;
}

textarea.form-control {
    height: auto;
    min-height: 80px;
    padding: 12px 14px;
    resize: vertical;
}

.form-submit {
    width: 100%;
    margin-top: 8px;
}

.privacy-note {
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 12px;
    text-align: center;
    line-height: 1.6;
}

/* Toast */
.toast {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    z-index: 300;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.toast.show {
    display: block;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        width: 80px;
    }

    .sidebar-brand {
        padding: 24px 16px;
    }

    .logo-text {
        display: none;
    }

    .sidebar-nav {
        padding: 16px 10px;
    }

    .sidebar-nav a {
        justify-content: center;
        padding: 14px 0;
    }

    .sidebar-nav a span {
        display: none;
    }

    .sidebar-nav a i {
        font-size: 18px;
    }

    .sidebar-nav a.active::before {
        height: 32px;
    }

    .sidebar-contact {
        padding: 16px;
        text-align: center;
    }

    .sidebar-contact p,
    .sidebar-contact .phone {
        display: none;
    }

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

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

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

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

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

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

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

    .topbar {
        display: flex;
    }

    .layout {
        flex-direction: column;
    }

    .container {
        padding: 0 16px;
    }

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

    .page-hero {
        padding: 40px 0 36px;
    }

    .section {
        padding: 64px 0;
    }

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

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

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

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

    .stat-number {
        font-size: 34px;
    }

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

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

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

    .btn-group {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .cta-panel {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }

    .cta-inner h2 {
        font-size: 27px;
    }

    .banner-overlay {
        padding: 40px 20px;
    }

    .banner-overlay h2 {
        font-size: 22px;
    }

    .split-image {
        min-height: 200px;
    }

    .split-image img {
        min-height: 200px;
    }

    .faq-question {
        font-size: 15px;
        padding: 18px 16px;
    }

    .faq-answer-inner {
        padding: 14px 16px 18px;
        font-size: 14px;
    }

    .modal {
        padding: 24px 20px;
    }
}

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

    .badge-row {
        gap: 8px;
    }

    .badge {
        font-size: 13px;
        padding: 6px 12px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-number {
        font-size: 30px;
    }

    .stat-label {
        font-size: 13px;
    }

    .split-text h3 {
        font-size: 20px;
    }

    .flow-step {
        padding: 20px 12px;
    }

    .modal {
        padding: 24px 16px;
    }
}

/* roulang page: category2 */
:root {
      --green: #1F4A3A;
      --green-dark: #14382B;
      --dark: #1C1C1C;
      --amber: #F2A33A;
      --amber-dark: #D98D2B;
      --bg: #F6F5F1;
      --white: #FFFFFF;
      --text: #2A2A2A;
      --muted: #6B6B6B;
      --border: #E8E5DF;
      --radius: 12px;
      --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
      --transition: all 0.2s ease;
      --container: 1280px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--bg);
      color: var(--text);
      font-size: 16px;
      line-height: 1.75;
    }

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

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

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

    ul, ol {
      list-style: none;
    }

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

    .section {
      padding: 96px 0;
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 56px;
    }

    .section-head .tag {
      display: inline-block;
      background: rgba(31, 74, 58, 0.08);
      color: var(--green);
      padding: 4px 16px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 14px;
    }

    .section-head h2 {
      font-size: 34px;
      line-height: 1.3;
      color: var(--dark);
    }

    .section-head p {
      margin-top: 12px;
      color: var(--muted);
      font-size: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 10px 28px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      border: 2px solid transparent;
      transition: var(--transition);
    }

    .btn-primary {
      background: var(--amber);
      color: #332818;
    }

    .btn-primary:hover {
      background: var(--amber-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(242, 163, 58, 0.3);
    }

    .btn-primary:focus-visible {
      outline: 2px solid rgba(242, 163, 58, 0.5);
      outline-offset: 2px;
    }

    .btn-primary:active,
    .btn-ghost:active,
    .btn-outline:active {
      transform: translateY(0) scale(0.98);
    }

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

    .btn-outline:hover {
      background: var(--green);
      border-color: var(--green);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-ghost {
      background: transparent;
      color: var(--green);
      border-color: var(--green);
    }

    .btn-ghost:hover {
      background: var(--green);
      color: #fff;
      transform: translateY(-2px);
    }

    .sidebar {
      position: fixed;
      top: 0;
      left: 0;
      width: 240px;
      height: 100vh;
      background: var(--dark);
      color: #fff;
      display: flex;
      flex-direction: column;
      padding: 30px 20px 24px;
      z-index: 100;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 38px;
      padding: 0 6px;
    }

    .logo-mark {
      width: 42px;
      height: 42px;
      background: var(--amber);
      color: #332818;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
      flex-shrink: 0;
    }

    .logo-text {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
    }

    .logo-text span {
      color: var(--amber);
    }

    .sidebar-nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .sidebar-nav li {
      margin-bottom: 6px;
    }

    .sidebar-nav a {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #c9c9c9;
      text-decoration: none;
      padding: 12px 14px;
      border-radius: 8px;
      transition: var(--transition);
      font-size: 15px;
      font-weight: 500;
    }

    .sidebar-nav a i {
      width: 20px;
      text-align: center;
      font-size: 16px;
      flex-shrink: 0;
    }

    .sidebar-nav a:hover {
      background: rgba(255, 255, 255, 0.06);
      color: #fff;
    }

    .sidebar-nav a.active {
      background: rgba(242, 163, 58, 0.12);
      color: var(--amber);
      box-shadow: inset 3px 0 0 var(--amber);
    }

    .sidebar-contact {
      margin-top: auto;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 13px;
      color: #9a9a9a;
      line-height: 1.8;
    }

    .sidebar-contact p {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .sidebar-contact p i {
      width: 16px;
      text-align: center;
      flex-shrink: 0;
    }

    .main {
      margin-left: 240px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    .mobile-header {
      display: none;
      background: var(--dark);
      padding: 14px 16px;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      z-index: 99;
    }

    .mobile-menu-toggle {
      background: none;
      border: 0;
      color: #fff;
      font-size: 22px;
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      transition: var(--transition);
    }

    .mobile-menu-toggle:hover {
      background: rgba(255, 255, 255, 0.08);
    }

    .mobile-brand {
      color: #fff;
      font-weight: 700;
      font-size: 18px;
      line-height: 1.2;
    }

    .mobile-brand span {
      color: var(--amber);
    }

    .mobile-tel {
      color: var(--amber);
      font-size: 20px;
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      transition: var(--transition);
    }

    .mobile-tel:hover {
      background: rgba(255, 255, 255, 0.08);
    }

    .mobile-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.5);
      z-index: 97;
      display: none;
    }

    .mobile-overlay.show {
      display: block;
    }

    .hero-category {
      position: relative;
      background: linear-gradient(105deg, rgba(31, 74, 58, 0.95) 0%, rgba(22, 54, 44, 0.9) 60%, rgba(22, 54, 44, 0.82) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      color: #fff;
      padding: 88px 0 0;
    }

    .hero-inner {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 60px;
      align-items: center;
    }

    .breadcrumb {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 18px;
    }

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

    .breadcrumb a:hover {
      text-decoration: underline;
    }

    .hero-copy h1 {
      font-size: 42px;
      line-height: 1.22;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }

    .hero-copy p {
      font-size: 18px;
      color: rgba(255, 255, 255, 0.82);
      max-width: 540px;
      margin-bottom: 30px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .hero-media {
      position: relative;
    }

    .hero-media img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      border-radius: 16px 16px 0 0;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    }

    .hero-badge {
      position: absolute;
      top: 18px;
      right: 18px;
      background: var(--amber);
      color: #332818;
      padding: 8px 14px;
      border-radius: 8px;
      font-weight: 700;
      font-size: 13px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    .hero-stats {
      background: var(--dark);
      margin-top: 72px;
      padding: 40px 0;
    }

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

    .stats-grid .num {
      font-size: 40px;
      font-weight: 800;
      color: var(--amber);
      font-family: Inter, system-ui, sans-serif;
      line-height: 1.1;
    }

    .stats-grid .label {
      color: rgba(255, 255, 255, 0.7);
      font-size: 14px;
      margin-top: 6px;
    }

    .pain-wrap {
      display: flex;
      flex-direction: column;
      gap: 48px;
    }

    .pain-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }

    .pain-row.flip > .pain-card {
      order: 2;
    }

    .pain-row.flip > .solution-card {
      order: 1;
    }

    .pain-card {
      background: #fff;
      border: 1px solid var(--border);
      border-left: 4px solid #C94A4A;
      padding: 32px;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .pain-card .ic {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(201, 74, 74, 0.1);
      color: #C94A4A;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      margin-bottom: 16px;
    }

    .pain-card h3 {
      font-size: 20px;
      margin-bottom: 12px;
      color: var(--dark);
    }

    .pain-card p {
      color: var(--muted);
      font-size: 15px;
    }

    .solution-card {
      background: var(--green);
      color: #fff;
      padding: 32px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-hover);
      position: relative;
      transition: var(--transition);
    }

    .solution-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 32px rgba(31, 74, 58, 0.25);
    }

    .solution-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 24px;
      right: 24px;
      height: 3px;
      background: var(--amber);
      border-radius: 0 0 3px 3px;
    }

    .solution-card .tag-mini {
      display: inline-block;
      background: var(--amber);
      color: #332818;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 16px;
      margin-bottom: 14px;
    }

    .solution-card h3 {
      font-size: 20px;
      margin-bottom: 12px;
    }

    .solution-card p {
      color: rgba(255, 255, 255, 0.82);
      font-size: 15px;
    }

    .solution-card .link-more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      color: var(--amber);
      font-weight: 600;
      font-size: 14px;
      transition: var(--transition);
    }

    .solution-card .link-more:hover {
      gap: 12px;
      color: #fff;
    }

    .service-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1.6fr;
      gap: 24px;
    }

    .service-card {
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .service-card img {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }

    .service-card .body {
      padding: 24px;
      flex: 1;
    }

    .service-card h3 {
      font-size: 20px;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .service-card p {
      color: var(--muted);
      font-size: 14px;
    }

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

    .scenario-card {
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border);
      transition: var(--transition);
    }

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

    .scenario-card img {
      height: 140px;
      object-fit: cover;
      width: 100%;
    }

    .scenario-card .body {
      padding: 20px;
    }

    .scenario-card h4 {
      font-size: 17px;
      margin-bottom: 6px;
      color: var(--dark);
    }

    .scenario-card p {
      font-size: 14px;
      color: var(--muted);
    }

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

    .process-item {
      position: relative;
      background: #fff;
      border-radius: var(--radius);
      padding: 36px 24px 28px;
      border: 1px solid var(--border);
      transition: var(--transition);
    }

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

    .process-item::before {
      counter-increment: step;
      content: counter(step, decimal-leading-zero);
      position: absolute;
      top: -16px;
      left: 24px;
      width: 40px;
      height: 40px;
      background: var(--green);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .process-item h4 {
      margin: 16px 0 8px;
      font-size: 18px;
      color: var(--dark);
    }

    .process-item p {
      font-size: 14px;
      color: var(--muted);
    }

    .data-banner {
      background: var(--dark);
      color: #fff;
      padding: 80px 0;
    }

    .data-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
      text-align: center;
    }

    .data-item .num {
      font-size: 44px;
      font-weight: 800;
      color: var(--amber);
      font-family: Inter, system-ui, sans-serif;
      line-height: 1.2;
    }

    .data-item .desc {
      margin-top: 8px;
      color: rgba(255, 255, 255, 0.75);
      font-size: 15px;
    }

    .faq-wrap {
      max-width: 760px;
      margin: 0 auto;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: #d6d1c7;
    }

    .faq-q {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 22px 24px;
      background: none;
      border: 0;
      font-size: 16px;
      font-weight: 600;
      color: var(--dark);
      text-align: left;
      transition: var(--transition);
    }

    .faq-q:hover {
      color: var(--green);
    }

    .faq-q .icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      border: 2px solid var(--green);
      color: var(--green);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
      font-size: 16px;
      line-height: 1;
    }

    .faq-item.open .icon {
      transform: rotate(45deg);
      background: var(--green);
      color: #fff;
      border-color: var(--green);
    }

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

    .faq-a-inner {
      padding: 0 24px 22px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.7;
    }

    .cta-box {
      background: linear-gradient(105deg, var(--green), var(--green-dark));
      border-radius: 20px;
      color: #fff;
      padding: 56px 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
      box-shadow: 0 16px 40px rgba(31, 74, 58, 0.2);
    }

    .cta-box h2 {
      font-size: 28px;
      margin-bottom: 8px;
      line-height: 1.3;
    }

    .cta-box p {
      color: rgba(255, 255, 255, 0.8);
      max-width: 540px;
    }

    .cta-box .btn {
      flex-shrink: 0;
    }

    .back-home {
      text-align: center;
      margin-top: 48px;
    }

    .footer {
      background: var(--dark);
      color: #fff;
      padding: 64px 0 28px;
      margin-top: auto;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .footer-logo .logo-mark {
      width: 38px;
      height: 38px;
      background: var(--amber);
      color: #332818;
      border-radius: 9px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 14px;
    }

    .footer-logo .logo-text {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
    }

    .footer-logo .logo-text span {
      color: var(--amber);
    }

    .footer p {
      color: rgba(255, 255, 255, 0.68);
      font-size: 14px;
      line-height: 1.8;
    }

    .footer h4 {
      font-size: 16px;
      margin-bottom: 16px;
      color: #fff;
    }

    .footer-links a {
      display: block;
      color: rgba(255, 255, 255, 0.65);
      font-size: 14px;
      padding: 5px 0;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: var(--amber);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .footer-contact .item {
      color: rgba(255, 255, 255, 0.65);
      font-size: 14px;
      padding: 5px 0;
      display: flex;
      align-items: center;
      gap: 10px;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      color: rgba(255, 255, 255, 0.4);
      font-size: 13px;
      padding-top: 28px;
      flex-wrap: wrap;
      gap: 8px;
    }

    .footer-bottom a {
      color: var(--amber);
    }

    .modal {
      position: fixed;
      inset: 0;
      z-index: 200;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .modal.open {
      display: flex;
    }

    .modal-mask {
      position: absolute;
      inset: 0;
      background: rgba(0, 0, 0, 0.5);
    }

    .modal-card {
      position: relative;
      background: #fff;
      border-radius: 16px;
      max-width: 520px;
      width: 100%;
      padding: 36px 32px 32px;
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
      animation: modalIn 0.25s ease;
    }

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

    .modal-card h3 {
      font-size: 24px;
      margin-bottom: 8px;
      color: var(--dark);
    }

    .modal-card .sub {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 24px;
    }

    .close-modal {
      position: absolute;
      top: 16px;
      right: 16px;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      border: 0;
      background: var(--bg);
      color: var(--muted);
      font-size: 14px;
      transition: var(--transition);
    }

    .close-modal:hover {
      background: #eceae4;
      color: var(--dark);
    }

    .form-grid {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .form-grid input,
    .form-grid select {
      height: 44px;
      border: 1px solid #D0CBC1;
      border-radius: 8px;
      padding: 0 14px;
      font-size: 15px;
      background: #fff;
      transition: var(--transition);
      width: 100%;
    }

    .form-grid input:focus,
    .form-grid select:focus {
      outline: none;
      border-color: var(--green);
      box-shadow: 0 2px 0 var(--green);
    }

    .form-grid .btn {
      width: 100%;
      margin-top: 6px;
    }

    .privacy-note {
      font-size: 12px;
      color: var(--muted);
      text-align: center;
      margin-top: 14px;
      line-height: 1.6;
    }

    @media (max-width: 1024px) {
      .sidebar {
        width: 76px;
        padding: 24px 10px;
      }

      .sidebar .brand {
        justify-content: center;
        padding: 0;
      }

      .sidebar .logo-text,
      .sidebar .sidebar-nav span,
      .sidebar .sidebar-contact p span {
        display: none;
      }

      .sidebar .sidebar-nav a {
        justify-content: center;
        padding: 13px 0;
      }

      .sidebar-contact {
        text-align: center;
        padding-top: 14px;
      }

      .sidebar-contact p {
        justify-content: center;
      }

      .main {
        margin-left: 76px;
      }

      .hero-inner {
        grid-template-columns: 1.05fr 0.95fr;
        gap: 36px;
      }

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

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

      .service-card:first-child {
        grid-column: 1 / -1;
      }

      .service-card img {
        height: 200px;
      }

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

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

    @media (max-width: 768px) {
      .sidebar {
        transform: translateX(-100%);
        width: 260px;
        transition: transform 0.3s ease;
        padding: 28px 20px;
      }

      .sidebar.open {
        transform: translateX(0);
      }

      .sidebar .brand {
        justify-content: flex-start;
        padding: 0 6px;
      }

      .sidebar .logo-text,
      .sidebar .sidebar-nav span,
      .sidebar .sidebar-contact p span {
        display: inline;
      }

      .sidebar .sidebar-nav a {
        justify-content: flex-start;
        padding: 12px 14px;
      }

      .sidebar-contact {
        text-align: left;
      }

      .sidebar-contact p {
        justify-content: flex-start;
      }

      .main {
        margin-left: 0;
      }

      .mobile-header {
        display: flex;
      }

      .mobile-overlay.show {
        display: block;
      }

      .section {
        padding: 64px 0;
      }

      .container {
        padding: 0 16px;
      }

      .hero-category {
        padding: 56px 0 0;
      }

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

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

      .hero-copy p {
        font-size: 16px;
      }

      .hero-actions .btn {
        flex: 1;
        min-width: 140px;
      }

      .hero-media img {
        height: 240px;
      }

      .hero-stats {
        margin-top: 48px;
        padding: 32px 0;
      }

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }

      .stats-grid .num {
        font-size: 32px;
      }

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

      .pain-row.flip > .pain-card,
      .pain-row.flip > .solution-card {
        order: 0;
      }

      .service-grid,
      .scenario-grid,
      .process-grid,
      .data-grid {
        grid-template-columns: 1fr;
      }

      .service-card:first-child {
        grid-column: auto;
      }

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

      .cta-box {
        padding: 32px 24px;
        flex-direction: column;
        text-align: center;
      }

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

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

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

      .modal-card {
        padding: 28px 20px 24px;
      }
    }

    @media (max-width: 520px) {
      .hero-actions {
        flex-direction: column;
      }

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

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

      .process-item {
        padding: 28px 20px 24px;
      }
    }