/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #1B4E3B;
  --primary-dark: #0F3A2B;
  --primary-soft: rgba(27, 78, 59, .06);
  --secondary: #C9A96E;
  --secondary-soft: rgba(201, 169, 110, .16);
  --accent: #E07A3F;
  --accent-dark: #C8662F;
  --bg: #F7F5F0;
  --dark-bg: #122B24;
  --text: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-muted: #8A8A8A;
  --border: #E5E0D5;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  --shadow: 0 2px 8px rgba(18, 43, 36, .06), 0 12px 32px rgba(18, 43, 36, .08);
  --shadow-hover: 0 6px 16px rgba(18, 43, 36, .1), 0 18px 40px rgba(18, 43, 36, .14);
  --container-max: 1200px;
  --spacing-section: 96px;
  --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* ===== 基础 Reset / Base ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--primary); text-decoration: none; transition: color .3s ease; }
a:hover { color: var(--primary-dark); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
.accordion-title:focus-visible {
  outline: 3px solid rgba(27, 78, 59, .35);
  outline-offset: 2px;
  border-radius: 4px;
}
img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; position: relative; }
.row { margin-left: auto; margin-right: auto; }
.columns { padding-left: 16px; padding-right: 16px; }

/* ===== 通用排版 ===== */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head h2 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 600;
  color: var(--primary-dark);
  line-height: 1.4;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}
.section-head h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  border-radius: 2px;
  background: var(--secondary);
  margin: 12px auto 0;
}
.section-head .section-desc {
  color: var(--text-secondary);
  font-size: 15px;
  margin-top: 14px;
  line-height: 1.8;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-heading);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn i { font-size: 14px; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(224, 122, 63, .3); }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(224, 122, 63, .4); }
.btn-primary:active { transform: translateY(0); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .75); padding: 0 28px; height: 48px; }
.btn-outline-light:hover { background: rgba(255, 255, 255, .1); color: #fff; border-color: #fff; }
.btn-outline-primary { background: transparent; color: var(--primary); border-color: var(--primary); padding: 0 28px; height: 48px; }
.btn-outline-primary:hover { background: var(--primary-soft); color: var(--primary-dark); }

/* ===== Header 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: none;
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: var(--shadow); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: .5px;
  box-shadow: 0 4px 10px rgba(27, 78, 59, .2);
}
.logo-text { font-size: 20px; font-weight: 600; color: var(--primary-dark); font-family: var(--font-heading); letter-spacing: .5px; }

.main-nav { margin-left: 32px; flex: 1; }
.nav-list { display: flex; list-style: none; gap: 4px; margin: 0; padding: 0; }
.nav-list li { margin: 0; }
.nav-list a {
  display: block;
  padding: 0 20px;
  height: 72px;
  line-height: 72px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  transition: color .3s ease;
}
.nav-list a::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 3px;
  border-radius: 2px 2px 0 0;
  background: var(--secondary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .3s ease;
}
.nav-list a:hover { color: var(--primary); }
.nav-list a.active { color: var(--primary); font-weight: 600; }
.nav-list a.active::after,
.nav-list a:hover::after { transform: scaleX(1); }

/* Mega 入口 */
.nav-mega { position: relative; margin-left: 8px; }
.nav-mega-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: all .3s ease;
}
.nav-mega-trigger i { font-size: 12px; transition: transform .3s; }
.nav-mega-trigger:hover,
.nav-mega:focus-within .nav-mega-trigger {
  color: var(--primary);
  background: var(--primary-soft);
  border-color: var(--primary);
}
.nav-mega:hover .nav-mega-trigger i,
.nav-mega:focus-within .nav-mega-trigger i { transform: rotate(180deg); }

.mega-panel {
  position: absolute;
  top: 58px;
  right: 0;
  width: 620px;
  max-width: calc(100vw - 48px);
  background: #fdfbf7;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  padding: 28px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .3s ease;
  z-index: 1000;
}
.mega-panel::before {
  content: '';
  position: absolute;
  top: -8px;
  right: 36px;
  width: 16px;
  height: 16px;
  background: inherit;
  border-left: 1px solid var(--border);
  border-top: 1px solid var(--border);
  transform: rotate(45deg);
}
.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel,
.nav-mega-trigger:focus~.mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega-panel-grid { display: grid; grid-template-columns: 1.2fr 1fr .8fr; gap: 24px; }
.mega-block h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.mega-cat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mega-cat-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: all .3s ease;
}
.mega-cat-list a i { color: var(--primary); font-size: 16px; width: 18px; text-align: center; }
.mega-cat-list a:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }
.mega-article {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.mega-article:last-child { border-bottom: none; }
.mega-article-title {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.6;
  transition: color .3s;
}
.mega-article-title:hover { color: var(--primary); }
.mega-article-date { display: block; font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.mega-action { display: flex; align-items: flex-end; justify-content: center; padding-bottom: 8px; }

/* 汉堡 */
.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all .3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 20px 0 28px;
}
.mobile-menu.open { display: block; animation: fadeSlide .3s ease; }
@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.mobile-nav-list { list-style: none; margin: 0; }
.mobile-nav-list li { border-bottom: 1px solid var(--border); }
.mobile-nav-list a {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
}
.mobile-nav-list a:hover { color: var(--primary); }
.mobile-nav-list a.active { color: var(--primary); font-weight: 600; }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(105deg, rgba(15, 58, 43, .97) 15%, rgba(27, 78, 59, .92) 55%, rgba(27, 78, 59, .82)),
              url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color: #fff;
  padding: 90px 0 100px;
  min-height: 580px;
  display: flex;
  align-items: center;
}
.hero .hero-title {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: .5px;
}
.hero .hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .88);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.login-panel {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-hover);
  color: var(--text);
}
.login-panel-head { margin-bottom: 20px; }
.login-panel-head h3 { font-size: 20px; font-weight: 600; font-family: var(--font-heading); color: var(--primary-dark); }
.login-panel-head p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.login-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.login-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 22px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  text-align: center;
  transition: all .3s ease;
}
.login-item i { font-size: 24px; color: var(--primary); }
.login-item span { font-size: 14px; font-weight: 500; }
.login-item:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(27, 78, 59, .1); }
.login-item:focus-visible { outline: 3px solid rgba(27, 78, 59, .3); outline-offset: 2px; }

/* ===== 痛点区 ===== */
.pain-section { background: #fff; padding: var(--spacing-section) 0; }
.pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pain-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
  overflow: hidden;
  transition: all .3s ease;
}
.pain-card::after {
  content: '';
  position: absolute;
  right: 0;
  top: 24px;
  bottom: 24px;
  width: 3px;
  border-radius: 2px;
  background: var(--secondary);
  opacity: 0;
  transform: scaleY(.4);
  transition: all .35s ease;
}
.pain-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.pain-card:hover::after { opacity: 1; transform: scaleY(1); }
.pain-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: 1px solid var(--primary);
  border-radius: 10px;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  background: #fff;
}
.pain-card h3 { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 6px; font-family: var(--font-heading); }
.pain-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; margin: 0; }

/* ===== 解决方案区 ===== */
.solution-section { background: var(--bg); padding: var(--spacing-section) 0; }
.solution-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 84px; }
.solution-row:last-child { margin-bottom: 0; }
.solution-image { position: relative; }
.solution-image::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 16px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--secondary);
  border-radius: var(--radius-lg);
  opacity: .7;
  z-index: 0;
}
.solution-image img {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  width: 100%;
  object-fit: cover;
}
.solution-text { padding: 0 8px; }
.solution-text .step-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--secondary-soft);
  padding: 4px 12px;
  border-radius: var(--radius-xs);
  letter-spacing: .5px;
  margin-bottom: 16px;
}
.solution-text h3 { font-size: 26px; font-weight: 600; font-family: var(--font-heading); color: var(--primary-dark); line-height: 1.4; margin-bottom: 14px; }
.solution-text p { font-size: 15px; color: var(--text-secondary); line-height: 1.85; margin-bottom: 20px; }
.solution-text .btn-outline-primary { height: 42px; padding: 0 22px; font-size: 14px; }

/* ===== 成果数据 ===== */
.stats-section { background: var(--dark-bg); padding: 80px 0; color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stat-item { position: relative; }
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -20px;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: rgba(255, 255, 255, .12);
}
.stat-value { font-family: var(--font-heading); font-size: 46px; font-weight: 700; line-height: 1.2; color: #fff; }
.stat-value .unit { font-size: 24px; color: var(--secondary); font-weight: 600; margin-left: 4px; }
.stat-label { font-size: 14px; color: rgba(255, 255, 255, .72); margin-top: 10px; letter-spacing: .5px; }

/* ===== 客户评价 ===== */
.testimonial-section { background: #fff; padding: var(--spacing-section) 0; }
.testimonial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.testimonial-card {
  position: relative;
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 36px 36px 32px;
  border-left: 4px solid var(--secondary);
  box-shadow: 0 2px 6px rgba(18, 43, 36, .04);
  overflow: hidden;
  transition: all .3s ease;
}
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 0;
  right: 24px;
  font-size: 120px;
  font-family: Georgia, serif;
  color: var(--secondary);
  opacity: .12;
  line-height: 1;
}
.testimonial-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.testimonial-text { font-size: 15px; line-height: 1.9; color: var(--text); margin-bottom: 24px; position: relative; z-index: 1; }
.testimonial-person { display: flex; flex-direction: column; gap: 2px; }
.testimonial-name { font-size: 15px; font-weight: 600; color: var(--primary-dark); }
.testimonial-role { font-size: 13px; color: var(--text-muted); }

/* ===== 最新资讯 ===== */
.news-section { background: var(--bg); padding: var(--spacing-section) 0; }
.news-list { display: flex; flex-direction: column; gap: 18px; max-width: 980px; margin: 0 auto; }
.news-card {
  display: flex;
  gap: 22px;
  align-items: stretch;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all .3s ease;
}
.news-card:hover { background: #fff; border-color: var(--secondary); box-shadow: var(--shadow); transform: translateY(-2px); }
.news-thumb {
  width: 96px;
  height: 96px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--primary-soft);
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.news-title { font-size: 17px; font-weight: 600; color: var(--text); font-family: var(--font-heading); line-height: 1.5; margin-bottom: 6px; }
.news-card:hover .news-title { color: var(--primary); }
.news-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.news-meta { display: flex; align-items: center; gap: 14px; margin-top: auto; font-size: 13px; color: var(--text-muted); }
.news-date i { margin-right: 4px; }
.news-cat {
  display: inline-block;
  background: var(--secondary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 20px;
}
.empty-tip {
  text-align: center;
  padding: 60px 20px;
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  font-size: 15px;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(120deg, rgba(15, 58, 43, .96), rgba(27, 78, 59, .88)),
              url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  padding: 80px 0;
  text-align: center;
  color: #fff;
}
.cta-section h2 { font-family: var(--font-heading); font-size: 34px; font-weight: 700; color: #fff; margin-bottom: 14px; }
.cta-section p { font-size: 16px; color: rgba(255, 255, 255, .85); max-width: 520px; margin: 0 auto 30px; line-height: 1.8; }

/* ===== FAQ ===== */
.faq-section { background: #fff; padding: var(--spacing-section) 0; }
.faq-wrap { max-width: 800px; margin: 0 auto; }
.accordion { list-style: none; margin: 0; border-top: 1px solid var(--border); }
.accordion-item { border-bottom: 1px solid var(--border); background: transparent; }
.accordion-item:last-child { border-bottom: none; }
.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 16px !important;
  font-weight: 600 !important;
  color: var(--text) !important;
  font-family: var(--font-heading);
  line-height: 1.5;
  cursor: pointer;
  background: transparent !important;
  border: none !important;
  transition: color .3s ease;
}
.accordion-title::before { display: none !important; }
.accordion-title::after {
  content: '+';
  font-size: 26px;
  font-weight: 400;
  color: var(--primary);
  line-height: 1;
  transition: transform .3s ease;
  margin-left: 16px;
}
.accordion-title:hover { color: var(--primary) !important; }
.accordion-item.is-active .accordion-title { color: var(--primary) !important; }
.accordion-item.is-active .accordion-title::after { content: '\2212'; transform: rotate(180deg); }
.accordion-content { padding: 0 24px 22px 0; color: var(--text-secondary); font-size: 14px; line-height: 1.9; background: transparent !important; border: none !important; }

/* ===== 页脚 ===== */
.site-footer { background: var(--dark-bg); color: rgba(255, 255, 255, .8); padding: 64px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 3fr 2fr 2fr 2fr; gap: 48px; }
.footer-about .logo { margin-bottom: 16px; }
.footer-about .logo-text { color: #fff; }
.footer-about p { font-size: 14px; color: rgba(255, 255, 255, .65); max-width: 300px; line-height: 1.8; }
.footer-title { font-family: var(--font-heading); font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 18px; letter-spacing: .5px; }
.footer-links { list-style: none; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, .65); font-size: 14px; transition: color .3s ease; }
.footer-links a:hover { color: var(--secondary); }
.footer-contact { list-style: none; margin: 0; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, .65); margin-bottom: 12px; line-height: 1.6; }
.footer-contact i { color: var(--secondary); margin-top: 4px; width: 16px; text-align: center; }
.footer-social { display: flex; gap: 12px; margin-top: 6px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, .18);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, .7);
  font-size: 15px;
  transition: all .3s ease;
}
.footer-social a:hover { background: var(--secondary); border-color: var(--secondary); color: var(--dark-bg); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root { --spacing-section: 72px; }
  .main-nav { display: none; }
  .nav-mega { display: none; }
  .hamburger { display: inline-flex; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: block; }
  .hero { min-height: 0; padding: 60px 0; }
  .hero .hero-title { font-size: 34px; }
  .solution-row { gap: 40px; }
  .stats-grid { gap: 24px; }
  .stat-value { font-size: 36px; }
}

@media (max-width: 768px) {
  :root { --spacing-section: 56px; }
  .container { padding: 0 20px; }
  .section-head h2 { font-size: 28px; }
  .hero .hero-title { font-size: 30px; }
  .hero .hero-sub { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .login-panel { margin-top: 32px; }
  .pain-grid { grid-template-columns: 1fr; }
  .solution-row { grid-template-columns: 1fr; gap: 32px; }
  .solution-row:nth-child(even) .solution-image { order: 0; }
  .solution-row:nth-child(even) .solution-text { order: 0; }
  .solution-image::before { top: 10px; left: 10px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 32px 16px; }
  .stat-item:not(:last-child)::after { display: none; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .news-card { flex-direction: column; }
  .news-thumb { width: 100%; height: 180px; }
  .mega-panel { width: calc(100vw - 40px); }
  .mega-panel-grid { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 640px) {
  .header-inner { height: 64px; }
  .logo-mark { width: 36px; height: 36px; font-size: 16px; }
  .logo-text { font-size: 18px; }
  .nav-list a { height: 64px; line-height: 64px; }
  .hero { padding: 44px 0 56px; }
  .hero .hero-title { font-size: 28px; }
  .login-panel { padding: 24px 20px; }
  .pain-card { padding: 22px 20px; }
  .solution-text h3 { font-size: 22px; }
  .stats-section { padding: 56px 0; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-value { font-size: 40px; }
  .cta-section h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; }
  .testimonial-card { padding: 28px 20px; }
}

/* roulang page: category1 */
:root {
  --primary: #1B4E3B;
  --primary-dark: #0F3A2B;
  --secondary: #C9A96E;
  --accent: #E07A3F;
  --bg: #F7F5F0;
  --bg-white: #FFFFFF;
  --dark: #122B24;
  --text: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-weak: #8A8A8A;
  --border: #E5E0D5;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-sm: 4px;
  --shadow: 0 2px 8px rgba(18,43,36,.06), 0 12px 32px rgba(18,43,36,.08);
  --shadow-lg: 0 4px 16px rgba(18,43,36,.10), 0 20px 48px rgba(18,43,36,.12);
  --transition: .3s ease;
  --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

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

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

ul,
ol {
  list-style: none;
}

button,
input {
  font-family: inherit;
}

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

.section {
  padding: 80px 0;
}

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

.section-dark {
  background: var(--dark);
  color: #F2EFE9;
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head h2 {
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.5px;
  margin-bottom: 12px;
  line-height: 1.35;
}

.section-head .section-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

.heading-line {
  display: inline-block;
  width: 48px;
  height: 3px;
  background: var(--secondary);
  border-radius: 3px;
  margin-bottom: 18px;
}

/* ========== Header & Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 240, .97);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(18, 43, 36, .04);
  backdrop-filter: blur(6px);
}

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

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

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary-dark);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 18px;
  border-radius: 10px;
  letter-spacing: -.5px;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 20px;
  color: var(--text);
  letter-spacing: -.3px;
}

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

.main-nav .nav-list a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  position: relative;
  transition: color var(--transition), background var(--transition);
}

.main-nav .nav-list a:hover {
  color: var(--primary);
  background: rgba(27, 78, 59, .06);
}

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

.main-nav .nav-list a.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 3px;
  background: var(--secondary);
  border-radius: 3px;
}

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

.mega-trigger {
  position: relative;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  outline: none;
}

.mega-trigger:hover,
.mega-trigger:focus-within,
.mega-trigger:focus {
  color: var(--primary);
  background: rgba(27, 78, 59, .05);
}

.mega-trigger .fa-chevron-down {
  font-size: 12px;
  transition: transform var(--transition);
}

.mega-trigger:hover .fa-chevron-down {
  transform: rotate(180deg);
}

.mega-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  width: 640px;
  background: #FDFCF9;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 28px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all .25s ease;
  z-index: 200;
}

.mega-panel::before {
  content: '';
  position: absolute;
  top: -8px;
  right: 80px;
  width: 16px;
  height: 16px;
  background: #FDFCF9;
  border-left: 1px solid var(--border);
  border-top: 1px solid var(--border);
  transform: rotate(45deg);
}

.mega-trigger:hover .mega-panel,
.mega-trigger:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr .7fr;
  gap: 28px;
}

.mega-col h4 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-weak);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 16px;
}

.mega-cats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mega-cat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
}

.mega-cat-item i {
  color: var(--primary);
  font-size: 15px;
  width: 20px;
  text-align: center;
}

.mega-cat-item:hover {
  border-color: var(--primary);
  background: var(--bg-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(18, 43, 36, .08);
}

.mega-posts {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mega-post {
  display: block;
  padding: 10px 12px;
  background: var(--bg);
  border-radius: var(--radius-md);
  transition: background var(--transition);
}

.mega-post:hover {
  background: rgba(27, 78, 59, .06);
}

.mega-post-title {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}

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

.mega-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  font-weight: 500;
  font-size: 14px;
  border-radius: var(--radius-md);
  background: transparent;
  transition: all var(--transition);
}

.mega-btn:hover {
  background: rgba(27, 78, 59, .05);
  color: var(--primary-dark);
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--bg-white);
  border-radius: var(--radius-md);
  font-size: 18px;
  color: var(--primary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.hamburger:hover {
  background: rgba(27, 78, 59, .06);
}

/* ========== Hero Banner ========== */
.page-hero {
  position: relative;
  background: linear-gradient(105deg, rgba(15,58,43,.96) 10%, rgba(27,78,59,.9) 55%, rgba(27,78,59,.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 90px 0 70px;
  color: #fff;
  min-height: 320px;
  display: flex;
  align-items: center;
}

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

.page-hero .hero-breadcrumb {
  font-size: 14px;
  color: rgba(255, 255, 255, .75);
  margin-bottom: 16px;
}

.page-hero .hero-breadcrumb a {
  color: rgba(255, 255, 255, .85);
  transition: color var(--transition);
}

.page-hero .hero-breadcrumb a:hover {
  color: var(--secondary);
}

.page-hero h1 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -1px;
  margin-bottom: 14px;
}

.page-hero .hero-sub {
  font-size: 17px;
  font-weight: 400;
  color: rgba(255, 255, 255, .9);
  max-width: 640px;
  line-height: 1.7;
}

.hero-accent-line {
  display: inline-block;
  width: 56px;
  height: 3px;
  background: var(--secondary);
  border-radius: 3px;
  margin-bottom: 22px;
}

/* ========== Intro Block ========== */
.intro-section {
  padding: 80px 0;
}

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

.intro-media {
  position: relative;
  display: flex;
  justify-content: center;
}

.intro-media::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  right: 12px;
  bottom: 12px;
  border: 2px solid var(--secondary);
  border-radius: var(--radius-lg);
  opacity: .5;
  z-index: 0;
}

.intro-media img {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  height: 360px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.intro-content h3 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 16px;
  color: var(--text);
}

.intro-content p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.9;
}

.intro-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
}

.intro-list li i {
  color: var(--secondary);
  font-size: 14px;
  margin-top: 5px;
  flex-shrink: 0;
}

/* ========== Cards Grid ========== */
.cards-section {
  padding: 80px 0;
  background: var(--bg-white);
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 20px;
}

.entry-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: block;
  transition: all var(--transition);
  position: relative;
}

.entry-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(27, 78, 59, .3);
}

.entry-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.entry-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.entry-card:hover .entry-card-media img {
  transform: scale(1.03);
}

.entry-card-body {
  padding: 24px;
}

.entry-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.entry-card-date {
  font-size: 13px;
  color: var(--text-weak);
}

.entry-card-tag {
  display: inline-block;
  background: rgba(201, 169, 110, .15);
  color: #8a6d3b;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: .3px;
}

.entry-card h3 {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.45;
}

.entry-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.entry-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  transition: gap var(--transition);
}

.entry-card:hover .entry-card-link {
  gap: 10px;
  color: var(--primary-dark);
}

.entry-card-link i {
  font-size: 12px;
}

/* ========== Steps ========== */
.steps-section {
  padding: 80px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 12px;
}

.step-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
  text-align: center;
}

.step-item:hover {
  box-shadow: var(--shadow);
  border-color: rgba(27, 78, 59, .25);
  transform: translateY(-3px);
}

.step-number {
  position: absolute;
  top: 18px;
  left: 20px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: rgba(27, 78, 59, .2);
}

.step-icon {
  width: 56px;
  height: 56px;
  background: rgba(27, 78, 59, .08);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 22px;
  color: var(--primary);
}

.step-item h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.step-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ========== FAQ ========== */
.faq-section {
  padding: 80px 0;
  background: var(--bg-white);
}

.accordion {
  max-width: 820px;
  margin: 0 auto;
  background: transparent;
}

.accordion .accordion-item {
  border-bottom: 1px solid var(--border);
  background: transparent;
  list-style: none;
}

.accordion .accordion-item:last-child {
  border-bottom: none;
}

.accordion .accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  padding: 20px 4px;
  line-height: 1.5;
  border: none;
  transition: color var(--transition);
}

.accordion .accordion-title::after {
  content: '\f067';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--secondary);
  transition: transform .3s ease;
  margin-left: 12px;
}

.accordion .accordion-item.is-active .accordion-title {
  color: var(--primary);
}

.accordion .accordion-item.is-active .accordion-title::after {
  content: '\f068';
  transform: rotate(180deg);
}

.accordion .accordion-content {
  background: transparent;
  border: none;
  padding: 4px 20px 22px 4px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(120deg, rgba(18, 43, 36, .94), rgba(27, 78, 59, .88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 14px;
  color: #fff;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, .85);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 32px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(224, 122, 63, .35);
}

.btn-accent:hover {
  background: #C96529;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(224, 122, 63, .4);
}

.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, .8);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover {
  background: rgba(27, 78, 59, .05);
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .85);
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 3fr 2fr 2fr 2fr;
  gap: 48px;
  margin-bottom: 44px;
}

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

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

.footer-about .logo-text {
  color: #fff;
}

.footer-about p {
  font-size: 15px;
  color: rgba(255, 255, 255, .7);
  line-height: 1.85;
  max-width: 280px;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}

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

.footer-links a {
  color: rgba(255, 255, 255, .7);
  font-size: 14px;
  transition: color var(--transition);
}

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

.footer-contact li {
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact i {
  color: var(--secondary);
  font-size: 13px;
  width: 18px;
  text-align: center;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, .7);
  font-size: 15px;
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding-top: 24px;
  font-size: 14px;
  color: rgba(255, 255, 255, .5);
  text-align: center;
}

/* ========== Focus / Active ========== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(27, 78, 59, .3);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(27, 78, 59, .25);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    height: 100vh;
    background: var(--bg-white);
    padding: 80px 24px 24px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform .3s ease;
    z-index: 200;
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .main-nav .nav-list a {
    display: block;
    padding: 16px 14px;
    font-size: 16px;
    border-radius: var(--radius-md);
  }

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

  .main-nav .nav-list a.active {
    background: rgba(27, 78, 59, .08);
  }

  .hamburger {
    display: flex;
    z-index: 300;
    position: relative;
  }

  .mega-panel {
    display: none;
  }

  .mega-trigger {
    display: none;
  }

  .nav-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg);
    font-size: 16px;
    color: var(--primary);
    cursor: pointer;
  }

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

  .intro-media img {
    max-width: 100%;
    height: 300px;
  }

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

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

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

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

@media (max-width: 640px) {
  .section {
    padding: 56px 0;
  }

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

  .page-hero {
    padding: 60px 0 48px;
  }

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

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

  .intro-media::before {
    display: none;
  }

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

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

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

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

/* ========== Mobile nav overlay ========== */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 43, 36, .4);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: all .3s ease;
}

.nav-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ========== Breadcrumb ========== */
.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 20px 0 0;
  font-size: 14px;
  color: var(--text-weak);
}

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

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

.breadcrumb-list .sep {
  color: var(--border);
}

/* ========== Utility ========== */
.text-center {
  text-align: center;
}

.mt-20 {
  margin-top: 20px;
}

.mb-20 {
  margin-bottom: 20px;
}

/* roulang page: article */
:root{
  --primary:#1B4E3B;
  --primary-dark:#0F3A2B;
  --secondary:#C9A96E;
  --accent:#E07A3F;
  --bg:#F7F5F0;
  --bg-white:#fff;
  --bg-dark:#122B24;
  --text-main:#1A1A1A;
  --text-sub:#4A4A4A;
  --text-light:#8A8A8A;
  --border:#E5E0D5;
  --radius-lg:16px;
  --radius-md:8px;
  --radius-sm:4px;
  --shadow:0 2px 8px rgba(18,43,36,.06),0 12px 32px rgba(18,43,36,.08);
  --shadow-hover:0 4px 14px rgba(18,43,36,.1),0 20px 44px rgba(18,43,36,.12);
  --transition:.3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,'PingFang SC','Microsoft YaHei',sans-serif;
  background:var(--bg);
  color:var(--text-main);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section-pad{padding:80px 0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:var(--radius-md);
  font-size:16px;font-weight:500;text-decoration:none;
  transition:var(--transition);border:none;cursor:pointer;
}
.btn:focus-visible{outline:3px solid rgba(27,78,59,.35);outline-offset:2px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 12px rgba(224,122,63,.25)}
.btn-primary:hover{background:#d06332;color:#fff;box-shadow:0 6px 18px rgba(224,122,63,.35);transform:translateY(-2px)}
.btn-secondary{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-secondary:hover{background:rgba(27,78,59,.05);color:var(--primary-dark)}

/* 标签 */
.tag{
  display:inline-block;padding:4px 12px;border-radius:var(--radius-sm);
  background:rgba(201,169,110,.12);border:1px solid rgba(201,169,110,.35);
  color:#8a6d3d;font-size:13px;font-weight:500;
}

/* ===== Header ===== */
.site-header{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;height:72px;
  transition:box-shadow var(--transition);
}
.site-header.scrolled{box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;background:var(--primary);color:#fff;
  border-radius:var(--radius-md);display:inline-flex;align-items:center;
  justify-content:center;font-weight:600;font-size:16px;letter-spacing:.02em;
}
.logo-text{font-size:18px;font-weight:600;color:var(--text-main)}

.main-nav .nav-list{display:flex;gap:4px;margin:0;padding:0}
.main-nav .nav-list a{
  display:inline-block;padding:10px 16px;font-size:15px;font-weight:500;
  color:var(--text-main);text-decoration:none;border-radius:var(--radius-md);
  position:relative;transition:var(--transition);
}
.main-nav .nav-list a:hover{color:var(--primary);background:rgba(27,78,59,.04)}
.main-nav .nav-list a.active{color:var(--primary);font-weight:600}
.main-nav .nav-list a.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:2px;height:3px;
  background:var(--secondary);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px}

/* Mega Menu */
.mega-menu-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 16px;
  border:1px solid var(--border);border-radius:var(--radius-md);
  background:#fff;font-size:14px;font-weight:500;color:var(--text-main);
  cursor:pointer;transition:var(--transition);
}
.mega-trigger:hover,.mega-menu-wrap:hover .mega-trigger{
  color:var(--primary);background:rgba(27,78,59,.05);border-color:rgba(27,78,59,.3);
}
.mega-panel{
  display:none;position:absolute;top:calc(100% + 14px);right:0;width:560px;
  background:var(--bg);border-radius:var(--radius-lg);border:1px solid var(--border);
  box-shadow:var(--shadow-hover);padding:24px;z-index:60;
}
.mega-panel::before{
  content:'';position:absolute;top:-7px;right:32px;width:14px;height:14px;
  background:var(--bg);border-left:1px solid var(--border);border-top:1px solid var(--border);
  transform:rotate(45deg);
}
.mega-menu-wrap:hover .mega-panel,.mega-menu-wrap:focus-within .mega-panel{display:block}
.mega-grid{display:grid;grid-template-columns:1fr 1fr .8fr;gap:22px}
.mega-title{font-size:13px;font-weight:600;color:var(--text-light);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}
.mega-cards{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mega-card{
  display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:var(--radius-md);
  font-size:13px;font-weight:500;color:var(--text-main);background:#fff;
  border:1px solid var(--border);transition:var(--transition);text-decoration:none;
}
.mega-card:hover{background:rgba(27,78,59,.05);color:var(--primary);border-color:rgba(27,78,59,.3)}
.mega-card i{color:var(--primary);font-size:15px;width:20px;text-align:center}
.mega-links{display:flex;flex-direction:column;gap:10px}
.mega-link{font-size:13px;color:var(--text-main);text-decoration:none;line-height:1.5;transition:var(--transition)}
.mega-link span{display:block;font-size:12px;color:var(--text-light);margin-top:2px}
.mega-link:hover{color:var(--primary)}
.mega-btn{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;
  border:1.5px solid var(--primary);border-radius:var(--radius-md);color:var(--primary);
  font-size:14px;font-weight:500;background:transparent;transition:var(--transition);
  white-space:nowrap;text-decoration:none;
}
.mega-btn:hover{background:rgba(27,78,59,.06);color:var(--primary-dark)}

.menu-toggle{
  display:none;flex-direction:column;gap:5px;background:none;border:none;
  padding:8px;border-radius:var(--radius-md);cursor:pointer;
}
.menu-toggle span{width:22px;height:2px;background:var(--text-main);border-radius:2px;transition:var(--transition)}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-light);
  margin-bottom:22px;padding:0;list-style:none;
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:'/';color:#c4bfb3}
.breadcrumb a{color:var(--text-sub);text-decoration:none;transition:var(--transition)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb li.current{
  color:var(--text-main);font-weight:500;max-width:360px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ===== 文章头部区 ===== */
.article-header-area{
  background:var(--bg);border-bottom:1px solid var(--border);
  padding:40px 0 36px;
}
.article-header-inner{max-width:860px}
.article-title{
  font-size:42px;line-height:1.35;font-weight:600;color:var(--text-main);
  margin:0 0 18px;letter-spacing:-.02em;
}
.article-title::before{
  content:'';display:block;width:48px;height:3px;background:var(--secondary);
  border-radius:2px;margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;align-items:center;font-size:14px;color:var(--text-light)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--secondary);width:16px;text-align:center}

/* ===== 正文区 ===== */
.article-section{background:#fff;padding:60px 0 80px}
.article-body-wrap{max-width:860px;margin:0 auto}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.95;color:var(--text-main)}
.article-body::after{
  content:'';display:block;width:100%;height:1px;background:var(--border);margin:48px 0 0;
}
.article-body p{margin-bottom:24px}
.article-body h2{
  font-size:28px;font-weight:600;color:var(--primary);
  margin:42px 0 18px;line-height:1.4;
}
.article-body h3{font-size:22px;font-weight:600;color:var(--text-main);margin:32px 0 14px;line-height:1.4}
.article-body h4{font-size:18px;font-weight:600;color:var(--text-main);margin:24px 0 12px}
.article-body img{max-width:100%;border-radius:12px;border:1px solid var(--border);margin:28px 0}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent)}
.article-body blockquote{
  border-left:4px solid var(--secondary);background:var(--bg);
  padding:16px 22px;margin:24px 0;border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--text-sub);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body hr{border:none;border-top:1px solid var(--border);margin:40px 0}
.article-body table{width:100%;border-collapse:collapse;margin:28px 0}
.article-body table th,.article-body table td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body table th{background:var(--bg);font-weight:600}

/* 内容未找到 */
.article-not-found{
  text-align:center;padding:80px 0;max-width:560px;margin:0 auto;
}
.article-not-found .nf-icon{
  width:80px;height:80px;margin:0 auto 24px;background:rgba(27,78,59,.06);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:32px;color:var(--primary);
}
.article-not-found p{font-size:20px;color:var(--text-sub);margin-bottom:12px}
.article-not-found .nf-sub{font-size:15px;color:var(--text-light);margin-bottom:28px}

/* ===== 相关推荐 ===== */
.recommend-section{background:var(--bg);padding:80px 0}
.section-title{font-size:32px;font-weight:600;text-align:center;color:var(--text-main);margin-bottom:12px}
.section-subtitle{text-align:center;color:var(--text-light);font-size:15px;margin-bottom:42px}
.recommend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.recommend-card{
  display:flex;align-items:center;gap:16px;background:#fff;border-radius:var(--radius-lg);
  border:1px solid var(--border);padding:16px;box-shadow:var(--shadow);
  text-decoration:none;color:var(--text-main);transition:var(--transition);
}
.recommend-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);color:var(--primary)}
.recommend-card img{width:96px;height:72px;object-fit:cover;border-radius:8px;flex-shrink:0}
.recommend-body h4{font-size:16px;font-weight:600;line-height:1.4;margin-bottom:6px}
.recommend-body span{font-size:13px;color:var(--text-light)}

/* ===== 返回入口 ===== */
.article-return{background:var(--bg);padding:0 0 60px}
.return-links{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.return-links a{
  display:inline-flex;align-items:center;gap:8px;padding:12px 24px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  color:var(--primary);font-size:15px;font-weight:500;text-decoration:none;
  transition:var(--transition);
}
.return-links a:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-2px)}
.return-links a i{font-size:14px}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.85);padding:60px 0 40px}
.footer-grid{display:grid;grid-template-columns:3fr 2fr 2fr 2fr;gap:48px;margin-bottom:44px}
.footer-about p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.7);margin-top:14px;max-width:320px}
.footer-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-links,.footer-contact{margin:0;padding:0}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.65)}
.footer-links a,.footer-contact a{color:rgba(255,255,255,.65);text-decoration:none;transition:var(--transition)}
.footer-links a:hover{color:var(--secondary)}
.footer-contact i{width:20px;color:var(--secondary);margin-right:4px}
.footer-social{display:flex;gap:12px;margin-top:16px}
.footer-social a{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-md);
  color:rgba(255,255,255,.7);font-size:14px;transition:var(--transition);
}
.footer-social a:hover{background:rgba(255,255,255,.1);border-color:var(--secondary);color:var(--secondary)}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:var(--secondary);color:var(--bg-dark)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:28px;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .menu-toggle{display:flex}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;background:#fff;
    border-top:1px solid var(--border);border-bottom:1px solid var(--border);
    box-shadow:var(--shadow);padding:16px 24px;display:none;z-index:90;
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .main-nav.open{display:block}
  .nav-list{flex-direction:column;gap:0}
  .nav-list li{width:100%}
  .main-nav .nav-list a{
    display:block;padding:14px 12px;border-bottom:1px solid #f0ece3;
    font-size:16px;border-radius:var(--radius-md);
  }
  .main-nav .nav-list a.active::after{display:none}
  .main-nav .nav-list a.active{background:rgba(27,78,59,.06)}
  .mega-menu-wrap{display:none}
  .recommend-grid{grid-template-columns:1fr 1fr}
  .article-title{font-size:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section-pad{padding:56px 0}
  .article-header-area{padding:28px 0 24px}
  .article-title{font-size:28px;line-height:1.4}
  .article-meta{flex-direction:column;gap:10px;align-items:flex-start}
  .article-section{padding:40px 0 56px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:24px}
  .article-body h3{font-size:20px}
  .recommend-grid{grid-template-columns:1fr}
  .recommend-section{padding:56px 0}
  .section-title{font-size:26px}
  .return-links{flex-direction:column;align-items:center}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:48px 0 32px}
  .breadcrumb li.current{max-width:220px}
}
@media (min-width:641px) and (max-width:900px){
  .article-title{font-size:34px}
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1B4E3B;
            --primary-dark: #0F3A2B;
            --secondary: #C9A96E;
            --accent: #E07A3F;
            --bg: #F7F5F0;
            --bg-white: #FFFFFF;
            --dark-bg: #122B24;
            --text: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #8A8A8A;
            --border: #E5E0D5;
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow: 0 2px 8px rgba(18, 43, 36, .06), 0 12px 32px rgba(18, 43, 36, .08);
            --shadow-hover: 0 4px 16px rgba(18, 43, 36, .10), 0 16px 40px rgba(18, 43, 36, .12);
            --transition: .3s ease;
            --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(27, 78, 59, .20);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .97);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.is-scrolled {
            box-shadow: 0 2px 12px rgba(18, 43, 36, .08);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 600;
            border-radius: 10px;
            letter-spacing: .5px;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
        }

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

        .nav-list {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0;
            padding: 0;
        }

        .nav-list li a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 0;
            position: relative;
            display: inline-block;
            line-height: 1.4;
            transition: color var(--transition);
        }

        .nav-list li a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }

        .nav-list li a:hover {
            color: var(--primary);
        }

        .nav-list li a:hover::after,
        .nav-list li a.active::after {
            transform: scaleX(1);
        }

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

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 30px;
        }

        .nav-trigger {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #fff;
            cursor: pointer;
            position: relative;
            transition: all var(--transition);
        }

        .nav-trigger:hover {
            background: rgba(27, 78, 59, .05);
            color: var(--primary);
            border-color: var(--primary);
        }

        .nav-trigger i {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .nav-trigger:hover i {
            transform: rotate(180deg);
        }

        /* Mega 面板 */
        .mega-panel {
            position: absolute;
            top: calc(100% + 10px);
            right: 0;
            width: 560px;
            background: #FCFAF5;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all .28s ease;
        }

        .mega-panel::before {
            content: '';
            position: absolute;
            top: -6px;
            right: 48px;
            width: 12px;
            height: 12px;
            background: #FCFAF5;
            border-left: 1px solid var(--border);
            border-top: 1px solid var(--border);
            transform: rotate(45deg);
        }

        .nav-trigger:hover+.mega-panel,
        .mega-panel:hover {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }

        .mega-col .mega-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: .5px;
        }

        .mega-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .mega-card {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 10px;
            border-radius: 10px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
        }

        .mega-card:hover {
            border-color: var(--secondary);
            color: var(--primary);
            transform: translateY(-1px);
        }

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

        .mega-news {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mega-news a {
            display: block;
            padding: 8px;
            border-radius: 8px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text);
            transition: all var(--transition);
        }

        .mega-news a:hover {
            border-color: var(--secondary);
            color: var(--primary);
        }

        .mega-news a small {
            display: block;
            color: var(--text-muted);
            font-size: 12px;
            margin-top: 2px;
        }

        .mega-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 18px;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-md);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            background: transparent;
            transition: all var(--transition);
        }

        .mega-btn:hover {
            background: rgba(27, 78, 59, .05);
            transform: translateY(-1px);
        }

        /* 汉堡按钮 */
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            cursor: pointer;
            padding: 10px;
        }

        .hamburger span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            background: linear-gradient(105deg, rgba(15, 58, 43, .95) 10%, rgba(27, 78, 59, .90) 60%, rgba(27, 78, 59, .82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            padding: 80px 0 70px;
            position: relative;
        }

        .category-hero .badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .category-hero .badge-row span {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 400;
            color: #F0EBE2;
            letter-spacing: .5px;
        }

        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            max-width: 560px;
            color: #fff;
        }

        .category-hero p.lead {
            font-size: 17px;
            line-height: 1.75;
            color: rgba(255, 255, 255, .88);
            max-width: 520px;
            margin-bottom: 30px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 26px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            cursor: pointer;
            border: 1.5px solid transparent;
            line-height: 1;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(224, 122, 63, .30);
        }

        .btn-primary:hover {
            background: #d96f35;
            border-color: #d96f35;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(224, 122, 63, .38);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .8);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

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

        .btn-ghost:hover {
            background: rgba(27, 78, 59, .05);
            transform: translateY(-2px);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }

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

        .section-white {
            background: #fff;
        }

        .section-head {
            margin-bottom: 46px;
            max-width: 680px;
        }

        .section-head .kicker {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
            padding-left: 14px;
            border-left: 3px solid var(--secondary);
        }

        .section-head h2 {
            font-family: var(--font-heading);
            font-size: 34px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 12px;
        }

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

        /* ===== 图文介绍块（右图左文） ===== */
        .intro-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .intro-content h2 {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 18px;
            color: var(--text);
        }

        .intro-content p {
            font-size: 16px;
            line-height: 1.95;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .intro-content .feature-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 14px;
        }

        .feature-tags span {
            display: inline-block;
            padding: 6px 14px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
        }

        .intro-image {
            position: relative;
        }

        .intro-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            width: 100%;
            object-fit: cover;
        }

        .intro-image::after {
            content: '';
            position: absolute;
            top: 18px;
            right: -18px;
            width: 80%;
            height: 80%;
            border: 2px solid var(--secondary);
            border-radius: var(--radius-lg);
            z-index: -1;
            opacity: .5;
        }

        /* ===== 关键能力区 ===== */
        .capability-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .capability-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 30px;
            transition: all var(--transition);
            position: relative;
        }

        .capability-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(201, 169, 110, .4);
        }

        .capability-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            border: 1.5px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--primary);
            font-size: 18px;
            transition: all var(--transition);
        }

        .capability-card:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
        }

        .capability-card h3 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .capability-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .capability-card ul {
            margin: 0;
            padding: 0;
        }

        .capability-card ul li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 4px 0;
            position: relative;
            padding-left: 20px;
        }

        .capability-card ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 12px;
            color: var(--secondary);
            position: absolute;
            left: 0;
            top: 6px;
        }

        .capability-wide {
            grid-column: 1 / -1;
            background: linear-gradient(120deg, #FCFAF5, #F2EFE8);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 36px;
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .capability-wide .icon-wrap {
            flex-shrink: 0;
        }

        .capability-wide h3 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .capability-wide p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== 流程区 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 20px;
        }

        .process-step {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px 22px;
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }

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

        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .process-step h3 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .process-step::after {
            content: '\f054';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 12px;
            color: var(--border);
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 2;
        }

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

        /* ===== 内容卡片区 ===== */
        .content-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .content-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: block;
            color: inherit;
        }

        .content-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            color: inherit;
            border-color: rgba(201, 169, 110, .5);
        }

        .content-card .card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .content-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .content-card:hover .card-media img {
            transform: scale(1.04);
        }

        .content-card .card-body {
            padding: 20px 20px 18px;
        }

        .content-card .card-body h3 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
        }

        .content-card .card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .card-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(201, 169, 110, .15);
            color: #8a6d3b;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
        }

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

        .faq-wrap .accordion {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .faq-wrap .accordion-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-wrap .accordion-item:last-child {
            border-bottom: none;
        }

        .faq-wrap .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 54px;
            padding: 14px 22px;
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: #fff;
            border: none;
            transition: all var(--transition);
            position: relative;
        }

        .faq-wrap .accordion-title:hover {
            color: var(--primary);
            background: #FCFAF7;
        }

        .faq-wrap .accordion-title::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--primary);
            position: absolute;
            right: 22px;
            top: 50%;
            transform: translateY(-50%);
            transition: transform .3s ease;
        }

        .faq-wrap .accordion-item.is-active .accordion-title::after {
            content: '\f068';
        }

        .faq-wrap .accordion-content {
            padding: 4px 22px 20px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-secondary);
            border: none;
            background: #FCFAF7;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            background: linear-gradient(115deg, rgba(18, 43, 36, .96), rgba(27, 78, 59, .88)), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 90px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 14px;
            color: #fff;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, .75);
            padding: 60px 0 40px;
        }

        .site-footer a {
            color: rgba(255, 255, 255, .75);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 3fr 2fr 2fr 2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

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

        .footer-about .logo-mark {
            background: var(--secondary);
            color: var(--dark-bg);
        }

        .footer-about .logo-text {
            color: #fff;
        }

        .footer-about p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .70);
            margin-bottom: 20px;
        }

        .footer-title {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

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

        .footer-links a,
        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, .70);
        }

        .footer-contact i {
            width: 20px;
            margin-right: 4px;
            color: var(--secondary);
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, .15);
            color: rgba(255, 255, 255, .8);
            transition: all var(--transition);
        }

        .footer-social a:hover {
            background: var(--secondary);
            color: var(--dark-bg);
            border-color: var(--secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, .50);
        }

        /* ===== 响应式断点 ===== */
        @media screen and (max-width: 1024px) {
            .nav-list {
                gap: 20px;
            }

            .hamburger {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                right: -100%;
                width: 280px;
                height: calc(100vh - 72px);
                background: #fff;
                border-left: 1px solid var(--border);
                box-shadow: var(--shadow);
                padding: 30px 24px;
                transition: right .35s ease;
                overflow-y: auto;
                z-index: 99;
                display: block;
            }

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

            .nav-list {
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
            }

            .nav-list li {
                width: 100%;
            }

            .nav-list li a {
                display: block;
                width: 100%;
                padding: 14px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--border);
            }

            .nav-list li a::after {
                display: none;
            }

            .nav-right {
                display: none;
            }

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

            .intro-image::after {
                display: none;
            }

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

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

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

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

        @media screen and (max-width: 640px) {
            .category-hero {
                padding: 56px 0 48px;
            }

            .category-hero h1 {
                font-size: 32px;
            }

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

            .section {
                padding: 56px 0;
            }

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

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

            .capability-wide {
                grid-column: 1;
                flex-direction: column;
                text-align: center;
                padding: 24px 20px;
            }

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

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

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

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

            .btn {
                width: 100%;
            }

            .mega-panel {
                display: none;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #1B4E3B;
  --primary-dark: #0F3A2B;
  --secondary: #C9A96E;
  --accent: #E07A3F;
  --bg: #F7F5F0;
  --bg-light: #FFFFFF;
  --dark: #122B24;
  --text: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-muted: #8A8A8A;
  --border: #E5E0D5;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-sm: 4px;
  --shadow: 0 2px 8px rgba(18,43,36,.06), 0 12px 32px rgba(18,43,36,.08);
  --shadow-hover: 0 4px 12px rgba(18,43,36,.10), 0 20px 44px rgba(18,43,36,.12);
  --container: 1200px;
  --space-section: 100px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { text-decoration: none; color: var(--primary); transition: color .2s ease, background .2s ease, box-shadow .2s ease; }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2 { font-size: 34px; font-weight: 600; color: var(--primary-dark); line-height: 1.4; position: relative; display: inline-block; padding-bottom: 14px; }
.section-head h2::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 48px; height: 3px; background: var(--secondary); border-radius: 2px; }
.section-head p { color: var(--text-secondary); font-size: 16px; margin-top: 12px; }
.badge { display: inline-block; padding: 4px 14px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; line-height: 1.6; }
.badge-secondary { background: rgba(201,169,110,.15); color: #8a6d3b; }
.badge-primary { background: rgba(27,78,59,.08); color: var(--primary); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 28px; border-radius: var(--radius-md);
  font-size: 15px; font-weight: 600; letter-spacing: 0.2px;
  border: 1.5px solid transparent; cursor: pointer;
  transition: all .3s ease; text-align: center; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: #c96a32; color: #fff; box-shadow: 0 6px 18px rgba(224,122,63,.35); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: rgba(27,78,59,.05); color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(27,78,59,.10); }
.btn-white-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.75); }
.btn-white-outline:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(27,78,59,.25); }

.site-header {
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(18,43,36,.06); }
.header-inner { display: flex; align-items: center; height: 72px; gap: 32px; position: relative; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 40px; height: 40px; background: var(--primary-dark); color: #fff;
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 17px; letter-spacing: .5px;
}
.logo-text { font-size: 18px; font-weight: 600; color: var(--text); }
.logo:hover .logo-mark { background: var(--primary); }
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; gap: 8px; }
.nav-list a {
  display: block; padding: 8px 16px; font-size: 15px; font-weight: 500;
  color: var(--text-secondary); border-radius: var(--radius-sm);
  position: relative; transition: color .2s ease;
}
.nav-list a::after {
  content: ''; position: absolute; bottom: -4px; left: 50%; transform: translateX(-50%);
  width: 0; height: 3px; background: var(--secondary); border-radius: 2px;
  transition: width .3s ease;
}
.nav-list a:hover { color: var(--primary); }
.nav-list a:hover::after { width: 24px; }
.nav-list a.active { color: var(--primary); font-weight: 600; }
.nav-list a.active::after { width: 28px; }
.nav-trigger { position: relative; flex-shrink: 0; }
.nav-trigger > .trigger-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--radius-md);
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  border: 1px solid transparent; cursor: pointer; transition: all .2s ease;
}
.nav-trigger > .trigger-btn:hover,
.nav-trigger:focus-within > .trigger-btn { color: var(--primary); background: rgba(27,78,59,.05); border-color: var(--border); }
.mega-panel {
  position: absolute; top: calc(100% + 16px); right: 0;
  width: 620px; background: #faf8f4;
  border-radius: var(--radius-lg); box-shadow: var(--shadow);
  padding: 28px; opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
  z-index: 120;
}
.mega-panel::before {
  content: ''; position: absolute; top: -8px; right: 48px;
  width: 16px; height: 16px; background: #faf8f4;
  transform: rotate(45deg); border-top-left-radius: 4px;
  box-shadow: -2px -2px 4px rgba(18,43,36,.04);
}
.nav-trigger:hover .mega-panel,
.nav-trigger:focus-within .mega-panel,
.nav-trigger.is-open .mega-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-grid { display: grid; grid-template-columns: 1.2fr 1fr .8fr; gap: 28px; }
.mega-col h4 { font-size: 13px; color: var(--text-muted); font-weight: 500; margin-bottom: 14px; letter-spacing: .4px; text-transform: uppercase; }
.mega-col .mega-item {
  display: flex; align-items: center; gap: 10px; padding: 10px;
  border-radius: var(--radius-md); font-size: 14px; color: var(--text);
  margin-bottom: 6px; transition: background .2s ease;
}
.mega-col .mega-item:hover { background: rgba(27,78,59,.06); color: var(--primary); }
.mega-col .mega-item .mega-icon { width: 34px; height: 34px; background: rgba(27,78,59,.08); color: var(--primary); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.mega-col .mega-link {
  display: block; padding: 8px 10px; font-size: 14px; color: var(--text-secondary);
  border-radius: var(--radius-sm); margin-bottom: 4px; line-height: 1.5;
}
.mega-col .mega-link:hover { background: rgba(27,78,59,.06); color: var(--primary); }
.mega-col .mega-link span { display: block; font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.mega-col .btn { width: 100%; margin-top: 12px; }
.hamburger { display: none; width: 44px; height: 44px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 0; }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s ease, opacity .3s ease; }
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.page-hero {
  position: relative; min-height: 360px; display: flex; align-items: center;
  background-color: var(--primary-dark); overflow: hidden;
}
.page-hero .hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: .35;
}
.page-hero .hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(15,58,43,.92) 10%, rgba(27,78,59,.82) 55%, rgba(27,78,59,.72));
}
.page-hero .container { position: relative; z-index: 2; padding-top: 48px; padding-bottom: 48px; }
.page-hero-content { max-width: 760px; text-align: center; margin: 0 auto; }
.page-hero-content h1 {
  color: #fff; font-size: 44px; font-weight: 700; line-height: 1.35;
  letter-spacing: .5px; margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0,0,0,.2);
}
.page-hero-content p {
  color: rgba(255,255,255,.88); font-size: 17px; line-height: 1.7;
  max-width: 560px; margin: 0 auto 28px;
}
.page-hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.page-hero .breadcrumb { margin-bottom: 20px; display: flex; justify-content: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.65); }
.page-hero .breadcrumb a { color: rgba(255,255,255,.8); }
.page-hero .breadcrumb a:hover { color: var(--secondary); }

.intro-section { background: var(--bg-light); }
.intro-figure { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.intro-figure::before { content: ''; position: absolute; inset: 0; background: rgba(27,78,59,.06); z-index: 1; }
.intro-figure img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.intro-figure::after {
  content: ''; position: absolute; top: -12px; left: -12px; width: 48px; height: 48px;
  border-top: 4px solid var(--secondary); border-left: 4px solid var(--secondary);
  border-radius: 8px 0 0 0; pointer-events: none;
}
.intro-copy { padding-left: 20px; }
.intro-copy .badge { margin-bottom: 18px; }
.intro-copy h2 { font-size: 32px; font-weight: 600; color: var(--primary-dark); line-height: 1.4; margin-bottom: 20px; }
.intro-copy p { font-size: 15.5px; color: var(--text-secondary); line-height: 1.95; margin-bottom: 20px; }
.check-list { margin: 0 0 28px; }
.check-list li { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; font-size: 15px; color: var(--text); }
.check-list i { color: var(--primary); margin-top: 3px; flex-shrink: 0; }

.services-section { background: var(--bg); }
.service-card {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow);
  overflow: hidden; height: 100%; display: flex; flex-direction: column;
  transition: box-shadow .3s ease, transform .3s ease; border: 1px solid rgba(229,224,213,.5);
}
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.service-card .card-media { position: relative; overflow: hidden; }
.service-card .card-media img { width: 100%; aspect-ratio: 16/10; object-fit: cover; transition: transform .45s ease; }
.service-card:hover .card-media img { transform: scale(1.03); }
.service-card .card-body { padding: 24px; display: flex; flex-direction: column; flex-grow: 1; }
.service-card .card-body h3 { font-size: 21px; font-weight: 600; color: var(--primary-dark); margin-bottom: 10px; }
.service-card .card-body p { font-size: 14.5px; color: var(--text-secondary); line-height: 1.85; flex-grow: 1; margin-bottom: 16px; }
.service-card .card-meta {
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--border); padding-top: 14px; font-size: 13px; color: var(--text-muted);
}
.service-card .card-meta .tag { color: var(--secondary); font-weight: 500; }
.service-card .card-link {
  display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500;
  color: var(--primary); margin-top: 4px;
}
.service-card .card-link:hover { color: var(--accent); gap: 10px; }

.stats-section { background: var(--dark); position: relative; overflow: hidden; }
.stats-section::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 640px; height: 1px; background: radial-gradient(ellipse at center, rgba(201,169,110,.5), transparent 70%);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; padding: 16px 0; }
.stat-item { text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: ''; position: absolute; left: -20px; top: 50%; transform: translateY(-50%);
  width: 1px; height: 52px; background: rgba(255,255,255,.08);
}
.stat-num { font-size: 40px; font-weight: 700; color: #fff; line-height: 1.2; letter-spacing: .5px; }
.stat-num em { font-style: normal; color: var(--secondary); font-size: 20px; vertical-align: super; margin-left: 2px; }
.stat-label { font-size: 14px; color: rgba(255,255,255,.65); margin-top: 8px; letter-spacing: .3px; }

.process-section { background: var(--bg-light); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 24px; position: relative; transition: all .3s ease;
}
.process-step:hover { border-color: var(--secondary); box-shadow: var(--shadow); transform: translateY(-3px); }
.step-num {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(27,78,59,.08); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 600; margin-bottom: 18px;
}
.process-step:hover .step-num { background: var(--primary); color: #fff; }
.process-step h3 { font-size: 19px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

.faq-section { background: var(--bg); }
.faq-inner { max-width: 800px; margin: 0 auto; }
.faq-inner h2 { text-align: center; font-size: 32px; font-weight: 600; color: var(--primary-dark); margin-bottom: 40px; position: relative; display: inline-block; width: 100%; }
.faq-inner h2::after { content: ''; display: block; width: 48px; height: 3px; background: var(--secondary); border-radius: 2px; margin: 16px auto 0; }
.faq-accordion { margin: 0; }
.faq-accordion .accordion-item {
  background: transparent; border: none; border-bottom: 1px solid var(--border);
  margin: 0; border-radius: 0;
}
.faq-accordion .accordion-title {
  border: none; background: transparent; color: var(--text);
  font-size: 16px; font-weight: 600; padding: 20px 48px 20px 4px;
  position: relative; line-height: 1.5;
  transition: color .25s ease;
}
.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-title:focus { background: transparent; color: var(--primary); }
.faq-accordion .accordion-title::before,
.faq-accordion .accordion-title::after {
  content: ''; position: absolute; right: 16px; top: 50%;
  width: 14px; height: 2px; background: var(--primary); border-radius: 2px;
  transition: transform .3s ease;
}
.faq-accordion .accordion-title::after { transform: rotate(90deg); }
.faq-accordion .accordion-item.is-active > .accordion-title { color: var(--primary); }
.faq-accordion .accordion-item.is-active > .accordion-title::after { transform: rotate(0deg); }
.faq-accordion .accordion-content {
  border: none; background: transparent; color: var(--text-secondary);
  padding: 4px 40px 24px 4px; font-size: 15px; line-height: 1.85;
}
.faq-accordion .accordion-content p { margin-bottom: 0; }

.cta-section {
  position: relative; background-color: var(--primary-dark); overflow: hidden;
  padding: 80px 0;
}
.cta-section .cta-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: .3;
}
.cta-section .cta-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(15,58,43,.92), rgba(27,78,59,.78));
}
.cta-section .container { position: relative; z-index: 2; text-align: center; }
.cta-content { max-width: 620px; margin: 0 auto; }
.cta-content h2 { font-size: 32px; font-weight: 600; color: #fff; line-height: 1.4; margin-bottom: 16px; }
.cta-content p { color: rgba(255,255,255,.8); font-size: 16px; line-height: 1.8; margin-bottom: 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.site-footer { background: var(--dark); color: rgba(255,255,255,.75); padding-top: 60px; padding-bottom: 40px; }
.footer-grid { display: grid; grid-template-columns: 3fr 2fr 2fr 2fr; gap: 40px; margin-bottom: 40px; }
.footer-about .logo { margin-bottom: 18px; }
.footer-about .logo-text { color: #fff; }
.footer-about p { font-size: 14.5px; line-height: 1.9; color: rgba(255,255,255,.6); max-width: 320px; }
.footer-title { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; letter-spacing: .3px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.65); transition: color .2s ease, padding-left .2s ease; }
.footer-links a:hover { color: var(--secondary); padding-left: 4px; }
.footer-contact li {
  display: flex; align-items: center; gap: 10px; font-size: 14px;
  color: rgba(255,255,255,.6); margin-bottom: 12px; line-height: 1.6;
}
.footer-contact i { color: var(--secondary); width: 16px; text-align: center; flex-shrink: 0; }
.footer-social { display: flex; gap: 12px; margin-top: 18px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: var(--radius-md);
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.7);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 28px;
  font-size: 13px; color: rgba(255,255,255,.45); text-align: center; letter-spacing: .3px;
}

@media screen and (max-width: 1024px) {
  .header-inner { gap: 16px; }
  .main-nav {
    position: fixed; top: 72px; left: 0; right: 0; z-index: 99;
    background: #fff; border-bottom: 1px solid var(--border);
    display: block; max-height: 0; overflow: hidden;
    transition: max-height .4s ease, box-shadow .3s ease;
    box-shadow: none;
  }
  .main-nav.is-open { max-height: 360px; box-shadow: 0 12px 32px rgba(18,43,36,.10); overflow-y: auto; }
  .nav-list { flex-direction: column; gap: 0; padding: 8px 16px; }
  .nav-list a { padding: 14px 12px; font-size: 16px; border-bottom: 1px solid rgba(229,224,213,.4); border-radius: 0; }
  .nav-list a::after { display: none; }
  .nav-list a.active { background: rgba(27,78,59,.05); }
  .nav-trigger { display: none; }
  .hamburger { display: flex; margin-left: auto; }
  .page-hero-content h1 { font-size: 34px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .stat-item + .stat-item::before { display: none; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .mega-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media screen and (max-width: 768px) {
  .section { padding: 56px 0; }
  .intro-copy { padding-left: 0; padding-top: 32px; }
  .page-hero { min-height: 320px; }
  .page-hero-content h1 { font-size: 30px; }
  .page-hero-content p { font-size: 15px; }
  .section-head h2 { font-size: 27px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 28px 16px; }
  .stat-num { font-size: 32px; }
  .process-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { text-align: center; }
  .faq-accordion .accordion-title { font-size: 15px; padding-right: 40px; }
  .faq-accordion .accordion-content { padding-right: 20px; }
  .cta-content h2 { font-size: 27px; }
  .cta-actions .btn { width: 100%; max-width: 280px; }
}

@media screen and (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-inner { height: 64px; }
  .logo-text { font-size: 16px; }
  .logo-mark { width: 36px; height: 36px; font-size: 15px; }
  .page-hero-content h1 { font-size: 26px; }
  .page-hero-actions .btn { width: calc(50% - 8px); padding: 0 12px; }
  .apply-grid { grid-template-columns: 1fr; gap: 20px; }
  .intro-copy h2 { font-size: 26px; }
  .service-card .card-body { padding: 20px; }
  .service-card .card-body h3 { font-size: 19px; }
  .stats-grid { grid-template-columns: 1fr; text-align: center; }
  .stat-item { padding: 12px 0; }
  .stat-num { font-size: 36px; }
  .faq-accordion .accordion-title { padding-left: 0; }
}