/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #1B5E4B;
  --primary-light: #2D7D66;
  --primary-dark: #0E3328;
  --primary-dark-2: #0B2E26;
  --gold: #C4A46C;
  --gold-light: #D6BC92;
  --gold-dark: #B1905A;
  --bg-warm: #F7F5F0;
  --bg-green: #EDF3EE;
  --text-main: #2A3330;
  --text-sub: #6B7A72;
  --border: #E3DFD4;
  --border-card: #EAE5DA;
  --error: #C25E5E;
  --radius-card: 10px;
  --radius-btn: 6px;
  --shadow-card: 0 2px 8px rgba(30,50,40,0.06);
  --shadow-hover: 0 6px 20px rgba(30,50,40,0.10);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --transition: all 0.3s ease;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  color: var(--text-main);
  background-color: var(--bg-warm);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; font-size: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

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

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-gold {
  background: var(--gold);
  color: var(--primary-dark);
}
.btn-gold:hover {
  background: var(--gold-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(180, 140, 90, 0.35);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: rgba(27, 94, 75, 0.10);
  transform: translateY(-2px);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}

/* ========== 头部导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding-top: 12px;
  transition: var(--transition);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  padding: 0 24px;
  background: transparent;
  border-radius: 12px;
  transition: var(--transition);
}
.site-header.scrolled {
  padding-top: 0;
}
.site-header.scrolled .header-inner {
  background: rgba(247, 245, 240, 0.95);
  box-shadow: 0 2px 12px rgba(30,50,40,0.08);
  border: 1px solid var(--border);
  border-radius: 0;
  backdrop-filter: blur(8px);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.logo-icon::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--gold);
  border-radius: 4px;
  transform: rotate(45deg);
}
.logo-icon::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}
.logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 1px;
}
.site-header:not(.scrolled) .logo-text { color: #fff; }
.site-header:not(.scrolled) .header-inner { background: rgba(14, 51, 40, 0.3); border: 1px solid rgba(196, 164, 108, 0.2); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 8px;
  position: relative;
}
.site-header:not(.scrolled) .main-nav a { color: rgba(255,255,255,0.88); }
.main-nav a:hover { color: var(--primary); background: rgba(27,94,75,0.06); }
.site-header:not(.scrolled) .main-nav a:hover { color: #fff; background: rgba(255,255,255,0.12); }
.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.3s ease;
}
.main-nav a:hover::after { width: 40%; }
.main-nav a.active {
  background: rgba(27, 94, 75, 0.10);
  color: var(--primary);
  font-weight: 600;
}
.main-nav a.active::after { width: 50%; background: var(--primary); }
.site-header:not(.scrolled) .main-nav a.active {
  background: rgba(255,255,255,0.15);
  color: #fff;
}
.site-header:not(.scrolled) .main-nav a.active::after { background: var(--gold); }

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  background: rgba(27,94,75,0.08);
}
.site-header:not(.scrolled) .menu-toggle { color: #fff; background: rgba(255,255,255,0.12); }

.mobile-menu {
  display: none;
  max-height: 0;
  overflow: hidden;
  background: var(--bg-warm);
  border-radius: 0 0 12px 12px;
  box-shadow: 0 8px 24px rgba(30,50,40,0.10);
  transition: max-height 0.4s ease;
}
.mobile-menu.open { max-height: 400px; padding: 12px 0; }
.mobile-menu a {
  display: block;
  padding: 12px 28px;
  font-size: 15px;
  color: var(--text-main);
  border-radius: 6px;
  font-weight: 500;
}
.mobile-menu a:hover { background: var(--bg-green); color: var(--primary); }
.mobile-menu a.active { color: var(--primary); font-weight: 600; background: rgba(27,94,75,0.06); }

/* ========== Hero ========== */
.hero {
  position: relative;
  background: var(--primary-dark);
  color: #fff;
  padding: 160px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(196,164,108,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,164,108,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -60px;
  transform: translateY(-50%) rotate(45deg);
  width: 120px;
  height: 120px;
  border: 1px solid rgba(196,164,108,0.3);
  border-radius: 16px;
  pointer-events: none;
}
.hero-deco-line {
  position: absolute;
  top: 120px;
  right: 10%;
  width: 80px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}
.hero-deco-line::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 9px;
  height: 9px;
  background: var(--primary-dark);
  border: 2px solid var(--gold);
  transform: rotate(45deg);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 60px;
}
.hero-text { flex: 1 1 55%; }
.hero-text .hero-tag {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(196,164,108,0.15);
  border: 1px solid rgba(196,164,108,0.35);
  border-radius: 30px;
  color: var(--gold-light);
  font-size: 13px;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.hero-text h1 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 18px;
  color: #fff;
  letter-spacing: 1px;
}
.hero-text .hero-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.78);
  line-height: 1.8;
  margin-bottom: 34px;
  max-width: 460px;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-image {
  flex: 1 1 45%;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(196,164,108,0.4);
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.hero-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}
.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,51,40,0.1) 0%, rgba(14,51,40,0.45) 100%);
}
.hero-image-caption {
  position: absolute;
  bottom: 18px;
  left: 18px;
  z-index: 2;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  background: rgba(14,51,40,0.6);
  padding: 6px 14px;
  border-radius: 30px;
  border: 1px solid rgba(196,164,108,0.3);
}

/* ========== 信任条 ========== */
.trust-bar {
  background: var(--primary);
  padding: 18px 0;
  border-top: 1px solid rgba(196,164,108,0.15);
}
.trust-bar-inner {
  display: flex;
  justify-content: center;
  gap: 45px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  letter-spacing: 0.5px;
}
.trust-item i { color: var(--gold); font-size: 13px; }

/* ========== 通用板块 ========== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-green); }
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.section-head p {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 520px;
  margin: 0 auto;
}
.section-head .head-line {
  width: 42px;
  height: 2px;
  background: var(--gold);
  margin: 14px auto 0;
  border-radius: 2px;
}

/* ========== 合集卡片 ========== */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 12px;
}
.collection-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-card);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: block;
}
.collection-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.collection-card .cc-img {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.collection-card .cc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.collection-card:hover .cc-img img { transform: scale(1.04); }
.collection-card .cc-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(14,51,40,0.5));
}
.collection-card .cc-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  background: rgba(14,51,40,0.8);
  color: var(--gold-light);
  border: 1px solid rgba(196,164,108,0.4);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 30px;
  backdrop-filter: blur(4px);
}
.collection-card .cc-body { padding: 22px 22px 24px; }
.collection-card .cc-body h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}
.collection-card .cc-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
}
.collection-card .cc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
}
.collection-card .cc-link i { font-size: 12px; transition: transform 0.3s; }
.collection-card:hover .cc-link i { transform: translateX(4px); }

/* ========== 精选内容 ========== */
.featured-wrap { display: flex; flex-direction: column; gap: 24px; }
.featured-card {
  display: flex;
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.featured-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
  transform: translateY(-3px);
}
.featured-card .fc-img {
  width: 280px;
  min-height: 190px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.featured-card .fc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
}
.featured-card:hover .fc-img img { transform: scale(1.04); }
.featured-card .fc-img .fc-date {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(14,51,40,0.8);
  color: #fff;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 20px;
  z-index: 2;
  border: 1px solid rgba(196,164,108,0.35);
}
.featured-card .fc-body { padding: 24px 26px; display: flex; flex-direction: column; }
.featured-card .fc-body .fc-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  color: var(--primary);
  background: rgba(27,94,75,0.08);
  padding: 3px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
  font-weight: 500;
}
.featured-card .fc-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.5;
}
.featured-card .fc-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.featured-card .fc-body .fc-more {
  margin-top: 14px;
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.featured-card .fc-body .fc-more i { font-size: 12px; }

/* ========== 最新资讯（CMS） ========== */
.latest-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.latest-card {
  display: block;
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  padding: 24px;
  transition: var(--transition);
  position: relative;
}
.latest-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
  transform: translateY(-3px);
}
.latest-card .lc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.latest-card .lc-tag {
  font-size: 12px;
  color: var(--primary);
  background: rgba(27,94,75,0.08);
  padding: 3px 12px;
  border-radius: 20px;
  font-weight: 500;
}
.latest-card .lc-date {
  font-size: 12px;
  color: var(--text-sub);
}
.latest-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 10px;
}
.latest-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.empty-state {
  grid-column: 1 / -1;
  background: var(--bg-green);
  border-radius: var(--radius-card);
  border: 1px dashed var(--border);
  padding: 50px 24px;
  text-align: center;
}
.empty-state p {
  font-size: 15px;
  color: var(--text-sub);
}

/* ========== 相关推荐 ========== */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.recommend-card {
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: block;
}
.recommend-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--gold);
}
.recommend-card .rc-img {
  height: 140px;
  overflow: hidden;
  position: relative;
}
.recommend-card .rc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
}
.recommend-card:hover .rc-img img { transform: scale(1.05); }
.recommend-card .rc-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(14,51,40,0.4));
}
.recommend-card .rc-body { padding: 20px 22px 24px; }
.recommend-card .rc-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
  line-height: 1.5;
}
.recommend-card .rc-body p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.recommend-card .rc-bottom {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.recommend-card .rc-bottom .rc-cat {
  font-size: 12px;
  color: var(--gold-dark);
  font-weight: 600;
}
.recommend-card .rc-bottom .rc-arrow {
  font-size: 13px;
  color: var(--primary);
}

/* ========== CTA 区域 ========== */
.cta-section {
  background: rgba(196,164,108,0.12);
  border-top: 1px solid rgba(196,164,108,0.25);
  border-bottom: 1px solid rgba(196,164,108,0.25);
  padding: 80px 0;
  text-align: center;
}
.cta-section h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}
.cta-section .cta-sub {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 36px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.accordion-item {
  border-bottom: 1px solid var(--border);
}
.accordion-item:last-child { border-bottom: none; }
.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.accordion-title:hover { background: var(--bg-green); }
.accordion-title .acc-icon {
  width: 24px;
  height: 24px;
  position: relative;
  flex-shrink: 0;
}
.accordion-title .acc-icon::before,
.accordion-title .acc-icon::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s ease;
}
.accordion-title .acc-icon::before {
  width: 14px;
  height: 2px;
  top: 11px;
  left: 5px;
}
.accordion-title .acc-icon::after {
  width: 2px;
  height: 14px;
  top: 5px;
  left: 11px;
}
.accordion-title.is-open .acc-icon::after { transform: scaleY(0); }
.accordion-item.is-open .accordion-title {
  background: var(--bg-green);
  color: var(--primary);
}
.accordion-item.is-open .accordion-title {
  border-left: 3px solid var(--primary);
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background: #fff;
}
.accordion-content-inner {
  padding: 0 24px 22px 27px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
}
.accordion-item.is-open .accordion-content { max-height: 500px; }

/* ========== 页脚 ========== */
.site-footer {
  background: var(--primary-dark-2);
  color: rgba(255,255,255,0.72);
  padding-top: 60px;
}
.footer-top {
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand .footer-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: rgba(27,94,75,0.8);
}
.footer-brand .footer-logo .logo-text {
  color: #fff;
  font-size: 20px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-col ul a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-col ul a i { font-size: 11px; margin-right: 6px; color: var(--gold); }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--gold-light); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero { padding-top: 140px; }
  .hero-inner { gap: 30px; }
  .hero-text h1 { font-size: 31px; }
  .hero-image img { height: 320px; }
  .collection-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .recommend-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .footer-grid { gap: 30px; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .mobile-menu { display: block; }
  .hero { padding: 130px 0 60px; }
  .hero-inner { flex-direction: column; gap: 30px; }
  .hero-text { text-align: center; }
  .hero-text .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .hero-image { width: 100%; }
  .hero-image img { height: 260px; }
  .collection-grid { grid-template-columns: 1fr; gap: 20px; }
  .featured-card { flex-direction: column; }
  .featured-card .fc-img { width: 100%; height: 180px; }
  .latest-grid { grid-template-columns: 1fr; gap: 16px; }
  .recommend-grid { grid-template-columns: 1fr; gap: 18px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; max-width: 320px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .trust-bar-inner { gap: 18px; }
  .section-head h2 { font-size: 25px; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .hero { padding-top: 120px; }
  .hero-text h1 { font-size: 26px; }
  .hero-text .hero-sub { font-size: 14px; }
  .hero-image img { height: 200px; }
  .collection-grid { grid-template-columns: 1fr; }
  .featured-card .fc-img { height: 160px; }
  .recommend-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero-text h1 { font-size: 24px; }
  .hero-ctas { flex-direction: column; width: 100%; }
  .hero-ctas .btn { width: 100%; }
  .trust-bar-inner { gap: 12px; }
  .trust-item { font-size: 12px; }
  .section-head h2 { font-size: 22px; }
  .btn { padding: 11px 20px; font-size: 14px; }
  .accordion-title { font-size: 14px; padding: 16px 16px; }
  .accordion-content-inner { padding: 0 16px 18px 19px; font-size: 13px; }
}

/* roulang page: article */
:root {
            --primary: #1B5E4B;
            --primary-light: #2D7D66;
            --primary-dark: #0E3328;
            --gold: #C4A46C;
            --gold-light: #D6BC92;
            --gold-dark: #B1905A;
            --bg-warm: #F7F5F0;
            --bg-green: #EDF3EE;
            --text-main: #2A3330;
            --text-secondary: #6B7A72;
            --border: #E3DFD4;
            --error: #C25E5E;
            --radius: 10px;
            --shadow-sm: 0 2px 8px rgba(30, 50, 40, 0.06);
            --shadow-md: 0 6px 20px rgba(30, 50, 40, 0.10);
            --header-h: 72px;
            --container-w: 1200px;
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

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

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding-top: 16px;
            transition: padding 0.3s ease;
        }

        .site-header .header-bar {
            max-width: calc(var(--container-w) - 32px);
            margin: 0 auto;
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 28px;
            background: transparent;
            border: 1px solid transparent;
            border-radius: 16px;
            transition: all 0.35s ease;
        }

        .site-header.scrolled {
            padding-top: 0;
        }

        .site-header.scrolled .header-bar {
            background: rgba(247, 245, 240, 0.95);
            border: 1px solid rgba(227, 223, 212, 0.7);
            border-top: none;
            border-radius: 0;
            box-shadow: 0 4px 24px rgba(30, 50, 40, 0.08);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(196, 164, 108, 0.4);
            box-shadow: 0 2px 8px rgba(14, 51, 40, 0.18);
        }

        .logo-icon svg {
            display: block;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 1px;
            white-space: nowrap;
        }

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

        .main-nav a {
            position: relative;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: 8px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 5px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: rgba(27, 94, 75, 0.06);
        }

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

        .main-nav a.active {
            color: var(--primary);
            background: rgba(27, 94, 75, 0.08);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            padding: 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }

        .nav-toggle:hover {
            background: rgba(27, 94, 75, 0.06);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary-dark);
            border-radius: 2px;
            transition: all 0.3s ease;
            transform-origin: center;
        }

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

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

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

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: var(--bg-green);
            border-bottom: 1px solid var(--border);
            padding: 110px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 16px 0;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }

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

        .breadcrumb .sep {
            color: #B8B2A6;
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== Article Header Block ===== */
        .article-header-block {
            position: relative;
            background: linear-gradient(180deg, var(--bg-green) 0%, #F6F8F5 100%);
            border-bottom: 1px solid var(--border);
            padding: 40px 0 56px;
        }

        .article-header-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }

        .article-header-block .container {
            position: relative;
            z-index: 1;
        }

        .article-heading {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }

        .article-heading .category-badge {
            display: inline-block;
            padding: 4px 18px;
            background: rgba(27, 94, 75, 0.08);
            color: var(--primary);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
            border: 1px solid rgba(27, 94, 75, 0.12);
        }

        .article-heading h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 20px;
            font-size: 14px;
            color: var(--text-secondary);
        }

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

        .article-meta i {
            color: var(--gold-dark);
            font-size: 13px;
        }

        .article-summary {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0 auto;
            padding: 16px 24px;
            background: rgba(255, 255, 255, 0.55);
            border-left: 3px solid var(--gold);
            border-radius: 0 10px 10px 0;
            text-align: left;
        }

        /* ===== Article Content ===== */
        .article-section {
            background: #fff;
            padding: 0 0 40px;
        }

        .article-content {
            max-width: 780px;
            margin: 0 auto;
            padding: 56px 24px 24px;
        }

        .article-content p {
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 24px;
            color: var(--text-main);
        }

        .article-content h2 {
            font-size: 26px;
            color: var(--primary);
            margin-top: 48px;
            margin-bottom: 16px;
            font-weight: 700;
            line-height: 1.4;
            border-bottom: 1px solid var(--border);
            padding-bottom: 12px;
        }

        .article-content h3 {
            font-size: 20px;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 12px;
            font-weight: 600;
            line-height: 1.5;
        }

        .article-content h4 {
            font-size: 17px;
            color: var(--text-main);
            margin-top: 24px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .article-content blockquote {
            border-left: 3px solid var(--primary);
            background: var(--bg-green);
            padding: 18px 24px;
            margin: 28px 0;
            border-radius: 0 10px 10px 0;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-content img {
            border-radius: 12px;
            margin: 28px auto;
            box-shadow: var(--shadow-sm);
            max-width: 100%;
            height: auto;
        }

        .article-content img.aligncenter {
            display: block;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 28px;
            padding-left: 26px;
        }

        .article-content ul li {
            list-style: disc;
            margin-bottom: 8px;
            line-height: 1.8;
        }

        .article-content ol li {
            list-style: decimal;
            margin-bottom: 8px;
            line-height: 1.8;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: rgba(27, 94, 75, 0.3);
        }

        .article-content a:hover {
            color: var(--gold-dark);
            text-decoration-color: var(--gold-dark);
        }

        .article-content hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 40px 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
            line-height: 1.6;
        }

        .article-content table th {
            background: var(--bg-green);
            font-weight: 600;
            color: var(--primary-dark);
        }

        /* ===== Back Links ===== */
        .article-back {
            max-width: 780px;
            margin: 0 auto;
            padding: 24px 24px 0;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            line-height: 1.4;
            text-decoration: none;
            outline: none;
        }

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

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

        .btn-primary:hover {
            background: var(--gold-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(177, 144, 90, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

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

        .btn-outline:hover {
            background: rgba(27, 94, 75, 0.08);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

        .btn-outline:active {
            background: rgba(27, 94, 75, 0.12);
        }

        .btn-dark {
            background: var(--primary);
            color: #fff;
        }

        .btn-dark:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(14, 51, 40, 0.3);
        }

        /* ===== Not Found ===== */
        .not-found-section {
            background: #fff;
            padding: 80px 0 60px;
            text-align: center;
        }

        .not-found-section .not-found-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 24px;
            background: var(--bg-green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
        }

        .not-found-section h1 {
            font-size: 32px;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

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

        /* ===== Related Section ===== */
        .related-section {
            padding: 72px 0 48px;
            background: var(--bg-warm);
        }

        .section-title {
            text-align: center;
            font-size: 26px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .section-sub {
            text-align: center;
            color: var(--text-secondary);
            margin-bottom: 40px;
            font-size: 15px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: 960px;
            margin: 0 auto;
        }

        .related-card {
            display: flex;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all 0.3s ease;
            text-decoration: none;
            color: var(--text-main);
        }

        .related-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .related-card:active {
            transform: translateY(0);
        }

        .related-thumb {
            width: 200px;
            flex-shrink: 0;
            overflow: hidden;
            background: var(--bg-green);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.04);
        }

        .related-body {
            padding: 22px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .related-body h4 {
            font-size: 17px;
            color: var(--primary-dark);
            margin-bottom: 8px;
            font-weight: 600;
            line-height: 1.5;
        }

        .related-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 64px 0 72px;
            background: var(--bg-warm);
        }

        .cta-box {
            background: rgba(196, 164, 108, 0.10);
            border: 1px solid rgba(196, 164, 108, 0.30);
            border-radius: 18px;
            padding: 56px 40px;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
        }

        .cta-box h2 {
            font-size: 26px;
            color: var(--primary-dark);
            margin-bottom: 8px;
            font-weight: 700;
        }

        .cta-box p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 15px;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }

        .footer-top {
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            text-decoration: none;
        }

        .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: rgba(196, 164, 108, 0.15);
            border-color: rgba(196, 164, 108, 0.5);
            box-shadow: none;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 380px;
        }

        .footer-col h4 {
            color: var(--gold-light);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s;
        }

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

        .footer-col ul li a i {
            font-size: 11px;
            color: var(--gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Toast ===== */
        .toast-msg {
            position: fixed;
            top: 100px;
            left: 50%;
            transform: translateX(-50%) translateY(-16px);
            background: var(--primary-dark);
            color: #fff;
            padding: 12px 28px;
            border-radius: 10px;
            font-size: 14px;
            z-index: 9999;
            opacity: 0;
            transition: all 0.3s ease;
            pointer-events: none;
            box-shadow: 0 8px 30px rgba(14, 51, 40, 0.3);
            white-space: nowrap;
        }

        .toast-msg.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .site-header .header-bar {
                padding: 0 20px;
            }

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

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

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: 1fr;
                max-width: 520px;
            }

            .related-card {
                flex-direction: column;
            }

            .related-thumb {
                width: 100%;
                height: 160px;
            }

            .article-heading h1 {
                font-size: 28px;
            }

            .article-summary {
                padding: 14px 18px;
            }
        }

        @media (max-width: 640px) {
            .site-header {
                padding-top: 8px;
            }

            .site-header .header-bar {
                height: 62px;
                padding: 0 16px;
                border-radius: 12px;
                background: rgba(247, 245, 240, 0.96);
                border-color: rgba(227, 223, 212, 0.7);
                box-shadow: 0 2px 12px rgba(30, 50, 40, 0.06);
            }

            .site-header.scrolled .header-bar {
                border-radius: 0;
            }

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

            .logo-icon {
                width: 34px;
                height: 34px;
            }

            .main-nav {
                position: absolute;
                top: 78px;
                left: 16px;
                right: 16px;
                background: var(--bg-warm);
                border-radius: 14px;
                box-shadow: var(--shadow-md);
                padding: 12px;
                display: none;
                flex-direction: column;
                gap: 4px;
                border: 1px solid var(--border);
                z-index: 1001;
            }

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

            .main-nav a {
                padding: 13px 16px;
                width: 100%;
                border-radius: 8px;
            }

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

            .main-nav a.active {
                background: rgba(27, 94, 75, 0.10);
            }

            .nav-toggle {
                display: flex;
            }

            .breadcrumb-wrap {
                padding: 96px 0 0;
            }

            .article-header-block {
                padding: 28px 0 40px;
            }

            .article-heading h1 {
                font-size: 24px;
                line-height: 1.4;
            }

            .article-meta {
                gap: 14px;
                font-size: 13px;
            }

            .article-summary {
                font-size: 14px;
                padding: 12px 16px;
            }

            .article-content {
                padding: 40px 20px 16px;
            }

            .article-content p {
                font-size: 15px;
                line-height: 1.85;
                margin-bottom: 20px;
            }

            .article-content h2 {
                font-size: 22px;
                margin-top: 36px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .article-back {
                padding-left: 20px;
                padding-right: 20px;
                flex-direction: column;
            }

            .article-back .btn {
                width: 100%;
                justify-content: center;
            }

            .cta-box {
                padding: 40px 20px;
                border-radius: 14px;
            }

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

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

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }

            .section-title {
                font-size: 22px;
            }

            .related-section {
                padding: 56px 0 40px;
            }

            .cta-section {
                padding: 48px 0 56px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

            .site-header .header-bar {
                padding: 0 14px;
            }

            .logo-text {
                font-size: 16px;
            }

            .article-heading h1 {
                font-size: 21px;
            }

            .article-summary {
                padding: 12px 14px;
                font-size: 13px;
                line-height: 1.8;
            }
        }

/* roulang page: category1 */
:root{
  --primary:#1B5E4B;
  --primary-light:#2D7D66;
  --primary-dark:#0E3328;
  --accent:#C4A46C;
  --accent-bright:#D6BC92;
  --accent-dark:#B1905A;
  --bg-warm:#F7F5F0;
  --bg-light:#EDF3EE;
  --text-main:#2A3330;
  --text-sub:#6B7A72;
  --line:#E3DFD4;
  --card-line:#EAE5DA;
  --white:#FFFFFF;
  --radius:10px;
  --radius-sm:6px;
  --shadow-sm:0 2px 8px rgba(30,50,40,.06);
  --shadow-lg:0 6px 20px rgba(30,50,40,.10);
  --font-base:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--text-main);
  background:var(--bg-warm);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--primary-light);}
ul,ol{padding:0;margin:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:12px 24px 0;
  pointer-events:none;
  transition:padding .3s ease;
}
.header-inner{
  pointer-events:auto;
  position:relative;
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:60px;padding:0 20px;
  background:rgba(247,245,240,.88);
  border:1px solid rgba(227,223,212,.7);
  border-radius:12px;
  backdrop-filter:blur(10px);
  box-shadow:0 2px 10px rgba(30,50,40,.04);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{padding-top:0;}
.site-header.scrolled .header-inner{
  background:rgba(247,245,240,.96);
  box-shadow:0 4px 18px rgba(30,50,40,.08);
  border-color:transparent;
}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-icon{
  position:relative;
  width:36px;height:36px;border-radius:8px;
  background:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;
}
.logo-icon::before{
  content:'';width:14px;height:14px;
  border:2px solid var(--accent);
  border-radius:3px;
  transform:rotate(45deg);
}
.logo-text{
  font-size:20px;font-weight:700;
  color:var(--primary-dark);letter-spacing:1px;
  line-height:1.2;
}
.logo-text em{font-style:normal;color:var(--accent-dark);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  display:inline-block;padding:8px 16px;
  border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-main);
  position:relative;
  transition:background .25s ease,color .25s ease;
}
.main-nav a::after{
  content:'';
  position:absolute;left:16px;right:16px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--accent-dark);
  opacity:0;transform:scaleX(.4);
  transition:opacity .25s ease,transform .25s ease;
}
.main-nav a:hover{color:var(--primary);background:var(--bg-light);}
.main-nav a:hover::after{opacity:1;transform:scaleX(1);}
.main-nav a.active{
  background:rgba(27,94,75,.10);
  color:var(--primary);
  font-weight:600;
}
.main-nav a.active::after{opacity:1;transform:scaleX(1);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--card-line);
  border-radius:8px;
  background:var(--white);
  position:relative;
  transition:border-color .25s ease;
}
.nav-toggle span{
  display:block;width:20px;height:2px;
  background:var(--text-main);
  margin:4px auto;
  transition:transform .3s ease,opacity .3s ease;
}
.nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;
  transition:all .3s ease;
}
.btn-primary{background:var(--accent);color:var(--primary-dark);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:rgba(27,94,75,.08);color:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:var(--card-line);color:var(--text-sub);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-dark);transform:translateY(-2px);}

/* ===== Page Hero ===== */
.page-hero{
  padding:calc(var(--header-h) + 60px) 0 70px;
  background:
    linear-gradient(135deg,rgba(247,245,240,.96) 0%,rgba(237,243,238,.94) 55%,rgba(228,239,233,.92) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--card-line);
}
.page-hero::before{
  content:'';
  position:absolute;top:24px;right:-30px;
  width:220px;height:220px;
  background:radial-gradient(circle,rgba(196,164,108,.18) 0%,transparent 65%);
  pointer-events:none;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
.hero-breadcrumb{
  font-size:13px;color:var(--text-sub);
  margin-bottom:16px;
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
}
.hero-breadcrumb a{color:var(--text-sub);}
.hero-breadcrumb a:hover{color:var(--primary);}
.hero-breadcrumb .sep{color:var(--accent-dark);}
.page-hero h1{
  font-size:38px;font-weight:700;
  color:var(--primary-dark);
  line-height:1.3;
  margin:0 0 18px;
}
.page-hero h1::after{
  content:'';
  display:block;width:56px;height:4px;border-radius:2px;
  background:var(--accent);
  margin-top:18px;
}
.hero-lead{
  font-size:17px;color:var(--text-sub);
  line-height:1.8;max-width:520px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-visual{position:relative;}
.hero-visual .frame{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid rgba(196,164,108,.55);
  box-shadow:var(--shadow-lg);
  position:relative;
}
.hero-visual .frame img{width:100%;height:320px;object-fit:cover;}
.hero-visual .frame::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,51,40,0) 55%,rgba(14,51,40,.35) 100%);
  border-radius:var(--radius);
  pointer-events:none;
}
.visual-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(247,245,240,.92);
  color:var(--primary-dark);
  font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--card-line);
  line-height:1.4;
}

/* ===== Section ===== */
.section{padding:80px 0;}
.section-head{text-align:center;max-width:640px;margin:0 auto 48px;}
.section-eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;letter-spacing:2px;
  color:var(--accent-dark);
  margin-bottom:10px;
}
.section-head h2{
  font-size:30px;font-weight:700;
  color:var(--primary-dark);
  margin:0 0 10px;
  line-height:1.4;
}
.section-head p{font-size:15px;color:var(--text-sub);margin:0;}

/* ===== Features ===== */
.features-section{background:var(--white);}
.feature-card{
  background:var(--bg-warm);
  border:1px solid var(--card-line);
  border-radius:var(--radius);
  padding:28px 24px;
  height:100%;
  transition:all .3s ease;
}
.feature-card:hover{
  border-color:rgba(27,94,75,.35);
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
}
.feature-icon{
  width:52px;height:52px;border-radius:12px;
  background:rgba(27,94,75,.08);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
  margin-bottom:18px;
  transition:background .3s ease,color .3s ease;
}
.feature-card:hover .feature-icon{background:var(--primary);color:var(--accent-bright);}
.feature-card h3{font-size:18px;font-weight:600;color:var(--text-main);margin:0 0 10px;}
.feature-card p{font-size:14px;color:var(--text-sub);line-height:1.7;margin:0;}

/* ===== Scenarios ===== */
.scenarios-section{background:var(--bg-light);}
.scenario-card{
  background:var(--white);
  border:1px solid var(--card-line);
  border-radius:var(--radius);
  overflow:hidden;
  height:100%;
  display:flex;flex-direction:column;
  transition:all .3s ease;
}
.scenario-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
  border-color:rgba(27,94,75,.30);
}
.scenario-media{position:relative;overflow:hidden;}
.scenario-media img{
  width:100%;height:180px;object-fit:cover;
  transition:transform .4s ease;
}
.scenario-card:hover .scenario-media img{transform:scale(1.03);}
.scenario-step{
  position:absolute;top:12px;left:12px;
  background:rgba(14,51,40,.85);
  color:var(--accent-bright);
  font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:999px;
  letter-spacing:1px;
}
.scenario-body{padding:22px 20px 24px;flex:1;}
.scenario-body h3{font-size:18px;font-weight:600;margin:0 0 8px;color:var(--text-main);}
.scenario-body p{font-size:14px;color:var(--text-sub);line-height:1.7;margin:0;}

/* ===== Process ===== */
.process-section{background:var(--white);}
.process-steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.process-step{
  background:var(--bg-warm);
  border:1px solid var(--card-line);
  border-radius:var(--radius);
  padding:28px 22px;
  position:relative;
  transition:all .3s ease;
}
.process-step:hover{
  box-shadow:var(--shadow-sm);
  border-color:var(--accent);
  transform:translateY(-3px);
}
.step-number{
  font-size:34px;font-weight:700;
  color:rgba(196,164,108,.40);
  line-height:1;
  margin-bottom:12px;
  font-family:Georgia,'Times New Roman',serif;
}
.process-step h3{font-size:17px;font-weight:600;color:var(--text-main);margin:0 0 8px;}
.process-step p{font-size:14px;color:var(--text-sub);margin:0;line-height:1.7;}
.process-step::before{
  content:'';
  position:absolute;top:32px;right:20px;
  width:10px;height:10px;
  border-top:2px solid var(--accent);
  border-right:2px solid var(--accent);
  transform:rotate(45deg);
  opacity:.5;
  transition:opacity .25s ease;
}
.process-step:hover::before{opacity:1;}
.process-step:last-child::before{display:none;}

/* ===== Guide Cards ===== */
.guide-section{background:var(--bg-warm);}
.guide-card{
  background:var(--white);
  border:1px solid var(--card-line);
  border-radius:var(--radius);
  overflow:hidden;
  height:100%;
  display:flex;flex-direction:column;
  transition:all .3s ease;
}
.guide-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
  border-color:rgba(196,164,108,.55);
}
.guide-card-media{position:relative;overflow:hidden;}
.guide-card-media img{
  width:100%;height:170px;object-fit:cover;
  transition:transform .4s ease;
}
.guide-card:hover .guide-card-media img{transform:scale(1.04);}
.guide-card-tag{
  position:absolute;top:12px;right:12px;
  background:rgba(247,245,240,.92);
  color:var(--primary);
  font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:999px;
  border:1px solid var(--card-line);
  line-height:1.5;
}
.guide-card-body{padding:20px;flex:1;display:flex;flex-direction:column;}
.guide-card-body h3{font-size:17px;font-weight:600;margin:0 0 10px;color:var(--text-main);line-height:1.5;}
.guide-card-body p{font-size:14px;color:var(--text-sub);line-height:1.7;margin:0 0 16px;}
.guide-card-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--text-sub);
}
.meta-date i{margin-right:4px;color:var(--accent-dark);}
.meta-cat{
  background:var(--bg-light);
  color:var(--primary);
  padding:2px 10px;border-radius:999px;
  font-weight:500;
  font-size:12px;
}

/* ===== Pagination ===== */
.pagination-bar{
  display:flex;justify-content:center;align-items:center;gap:8px;
  margin-top:48px;
}
.page-link,.page-next{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 14px;
  border:1px solid var(--card-line);border-radius:8px;
  background:var(--white);
  color:var(--text-sub);
  font-size:14px;font-weight:500;
  transition:all .25s ease;
}
.page-link:hover,.page-next:hover{border-color:var(--primary);color:var(--primary);}
.page-link.active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}
.page-link.active:hover{color:#fff;}
.page-next i{margin-left:6px;font-size:12px;}

/* ===== FAQ ===== */
.faq-section{background:var(--white);}
.faq-list{max-width:780px;margin:0 auto;}
.faq-item{
  position:relative;
  border:1px solid var(--card-line);
  border-radius:var(--radius);
  margin-bottom:14px;
  background:var(--bg-warm);
  overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item.active{border-color:rgba(27,94,75,.40);box-shadow:var(--shadow-sm);}
.faq-item.active::before{
  content:'';
  position:absolute;left:0;top:18px;bottom:18px;
  width:3px;border-radius:3px;
  background:var(--primary);
  z-index:1;
}
.faq-question{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;
  background:transparent;border:none;
  font-size:16px;font-weight:600;
  color:var(--text-main);
  text-align:left;
  transition:background .25s ease,color .25s ease;
}
.faq-question:hover{background:var(--bg-light);}
.faq-item.active .faq-question{color:var(--primary);}
.faq-icon{
  position:relative;flex-shrink:0;
  width:22px;height:22px;margin-left:14px;
  transition:transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:'';
  position:absolute;top:50%;left:50%;
  background:var(--primary);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.active .faq-icon{transform:rotate(45deg);}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-item.active .faq-answer{max-height:400px;}
.faq-answer p{
  padding:0 22px 18px;
  margin:0;
  font-size:14px;color:var(--text-sub);
  line-height:1.8;
}

/* ===== CTA ===== */
.cta-section{
  background:linear-gradient(135deg,rgba(196,164,108,.12) 0%,rgba(27,94,75,.07) 100%);
  border-top:1px solid var(--card-line);
}
.cta-box{
  max-width:720px;margin:0 auto;text-align:center;
  background:rgba(255,255,255,.80);
  border:1px solid rgba(196,164,108,.45);
  border-radius:16px;
  padding:52px 40px;
}
.cta-box h2{font-size:28px;font-weight:700;color:var(--primary-dark);margin:0 0 10px;}
.cta-box p{font-size:15px;color:var(--text-sub);margin:0 0 30px;}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}

/* ===== Footer ===== */
.site-footer{
  background:#0B2E26;
  color:#AFC4BC;
}
.site-footer a{color:#AFC4BC;}
.footer-top{padding:60px 0 40px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;}
.footer-brand .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-logo .logo-icon{background:rgba(196,164,108,.15);}
.footer-logo .logo-text{color:#F7F5F0;font-size:20px;font-weight:700;}
.footer-brand p{font-size:14px;line-height:1.8;color:#8FA8A0;margin:0;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:#F7F5F0;margin:0 0 16px;letter-spacing:1px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;transition:color .25s ease,transform .25s ease;display:inline-flex;align-items:center;gap:6px;}
.footer-col a i{font-size:12px;color:var(--accent);}
.footer-col a:hover{color:var(--accent-bright);transform:translateX(3px);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
  padding:20px 0;
  font-size:13px;color:#8FA8A0;
}

/* ===== Responsive ===== */
@media screen and (max-width:1024px){
  .hero-inner{gap:40px;}
  .page-hero h1{font-size:34px;}
  .process-steps{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:768px){
  .section{padding:60px 0;}
  .nav-toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;}
  .main-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    background:var(--white);
    border:1px solid var(--card-line);
    border-radius:12px;
    box-shadow:var(--shadow-lg);
    padding:10px;
    z-index:110;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:14px 16px;font-size:16px;}
  .main-nav a::after{display:none;}
  .hero-inner{grid-template-columns:1fr;}
  .page-hero{padding:calc(var(--header-h) + 36px) 0 50px;}
  .hero-visual .frame img{height:230px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;text-align:center;}
}
@media screen and (max-width:640px){
  .section{padding:40px 0;}
  .page-hero h1{font-size:30px;}
  .section-head h2{font-size:24px;}
  .process-steps{grid-template-columns:1fr;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .cta-box{padding:36px 20px;}
  .container{padding:0 16px;}
  .header-inner{padding:0 14px;}
  .logo-text{font-size:18px;}
}

/* roulang page: category2 */
:root {
  --primary: #1B5E4B;
  --primary-light: #2D7D66;
  --primary-deep: #0E3328;
  --gold: #C4A46C;
  --gold-light: #D6BC92;
  --gold-deep: #B1905A;
  --bg-warm: #F7F5F0;
  --bg-green: #EDF3EE;
  --text-main: #2A3330;
  --text-secondary: #6B7A72;
  --border: #E3DFD4;
  --danger: #C25E5E;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 2px 8px rgba(30,50,40,0.06);
  --shadow-md: 0 6px 20px rgba(30,50,40,0.10);
  --shadow-lg: 0 12px 32px rgba(30,50,40,0.12);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--bg-warm);
  color: var(--text-main);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

input, textarea {
  font-family: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.row {
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 12px 0 0;
  transition: padding var(--transition);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  border-radius: 12px;
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
  border: 1px solid transparent;
}

.site-header.scrolled {
  padding-top: 0;
}

.site-header.scrolled .header-inner {
  background: rgba(247,245,240,0.95);
  border-color: rgba(227,223,212,0.7);
  box-shadow: 0 4px 16px rgba(30,50,40,0.06);
  border-radius: 0;
}

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

.brand .logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--primary-deep);
  position: relative;
  display: inline-block;
  flex-shrink: 0;
}

.brand .logo-icon::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 1.5px solid var(--gold);
  border-radius: 4px;
  transform: rotate(45deg);
}

.brand .logo-icon::after {
  content: '';
  position: absolute;
  top: 14px;
  left: 14px;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border-radius: 50%;
}

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

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

.main-nav a {
  position: relative;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 8px;
  transition: all var(--transition);
  white-space: nowrap;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transition: width var(--transition);
}

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

.main-nav a:hover::after {
  width: 22px;
}

.main-nav a.active {
  background: rgba(27,94,75,0.08);
  color: var(--primary);
  font-weight: 600;
}

.main-nav a.active::after {
  width: 22px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  background: var(--primary-deep);
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}

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

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

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

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--bg-warm) 0%, var(--bg-green) 60%, #e4ece5 100%);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity: 0.06;
}

.page-hero::after {
  content: '';
  position: absolute;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(196,164,108,0.25);
  border-radius: 50%;
  top: -200px;
  right: -120px;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

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

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

.breadcrumb .sep {
  color: #bbb;
  font-size: 12px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(196,164,108,0.15);
  border: 1px solid rgba(196,164,108,0.4);
  color: var(--gold-deep);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

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

.page-hero h1 {
  font-size: 38px;
  font-weight: 700;
  color: var(--primary-deep);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.page-hero .hero-sub {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 540px;
  margin-bottom: 28px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--gold);
  color: var(--primary-deep);
  border: 1px solid var(--gold);
  box-shadow: 0 2px 8px rgba(196,164,108,0.3);
}

.btn-primary:hover {
  background: var(--gold-deep);
  border-color: var(--gold-deep);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(177,144,90,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline:hover {
  background: rgba(27,94,75,0.08);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-light {
  background: #fff;
  color: var(--primary-deep);
  border: 1px solid var(--border);
}

.btn-light:hover {
  border-color: var(--gold);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.hero-image-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(196,164,108,0.35);
  max-width: 520px;
  margin-left: auto;
}

.hero-image-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14,51,40,0.15), transparent 40%);
}

.hero-image-wrap img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-image-wrap:hover img {
  transform: scale(1.03);
}

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

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

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

.section-head .tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(27,94,75,0.08);
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-deep);
  line-height: 1.4;
  margin-bottom: 12px;
}

.section-head p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== Feature Cards ===== */
.feature-grid .columns {
  margin-bottom: 24px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  height: 100%;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--gold);
  transition: height var(--transition);
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-card:hover::before {
  height: 48px;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-deep);
  color: var(--gold);
  font-size: 20px;
  margin-bottom: 18px;
  transition: all var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  transform: rotate(-6deg);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-deep);
  margin-bottom: 10px;
}

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

/* ===== Content Cards ===== */
.cards-grid .columns {
  margin-bottom: 24px;
}

.content-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

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

.content-card .card-img {
  position: relative;
  overflow: hidden;
  height: 180px;
}

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

.content-card:hover .card-img img {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(27,94,75,0.92);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  z-index: 2;
  letter-spacing: 0.5px;
}

.card-body {
  padding: 20px 20px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

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

.card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.card-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--primary);
  font-weight: 500;
}

.card-tag i {
  font-size: 10px;
  color: var(--gold);
}

/* ===== Scenario Cards ===== */
.scenario-grid .columns {
  margin-bottom: 24px;
}

.scenario-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  height: 100%;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--transition);
}

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

.scenario-num {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(196,164,108,0.15);
  border: 1px solid rgba(196,164,108,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--gold-deep);
  flex-shrink: 0;
  transition: all var(--transition);
}

.scenario-card:hover .scenario-num {
  background: var(--gold);
  color: var(--primary-deep);
}

.scenario-card .s-text h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-deep);
  margin-bottom: 6px;
}

.scenario-card .s-text p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Process ===== */
.process-section {
  background: var(--primary-deep);
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: 0.06;
}

.process-section::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(196,164,108,0.25);
  border-radius: 50%;
  bottom: -120px;
  right: -60px;
}

.process-section .container {
  position: relative;
  z-index: 2;
}

.process-section .section-head h2 {
  color: #fff;
}

.process-section .section-head p {
  color: rgba(255,255,255,0.6);
}

.process-section .section-head .tag {
  background: rgba(196,164,108,0.15);
  color: var(--gold-light);
}

.steps-row {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
}

.step-item {
  flex: 1;
  min-width: 200px;
  max-width: 240px;
  text-align: center;
  padding: 32px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  position: relative;
  transition: all var(--transition);
}

.step-item:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(196,164,108,0.4);
  transform: translateY(-4px);
}

.step-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--primary-deep);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 6px rgba(196,164,108,0.15);
}

.step-item h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

.step-line {
  position: absolute;
  top: 50%;
  right: -16px;
  width: 16px;
  height: 1px;
  background: rgba(196,164,108,0.4);
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

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

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

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  position: relative;
  transition: all var(--transition);
}

.faq-question::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.faq-question:hover {
  background: rgba(27,94,75,0.03);
}

.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-left: 16px;
}

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

.faq-icon::before {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}

.faq-icon::after {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
}

.faq-item.open .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-left: 24px;
  margin-right: 24px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 60px 0 80px;
}

.cta-box {
  background: rgba(196,164,108,0.12);
  border: 1px solid rgba(196,164,108,0.35);
  border-radius: 16px;
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(196,164,108,0.2);
  border-radius: 50%;
  top: -80px;
  right: -60px;
}

.cta-box h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 10px;
}

.cta-box p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.cta-actions .btn {
  min-width: 130px;
}

/* ===== Footer ===== */
.site-footer {
  background: #0B2E26;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}

.footer-top {
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

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

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

.footer-brand .logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--gold);
  position: relative;
  display: inline-block;
  flex-shrink: 0;
}

.footer-brand .logo-icon::before {
  content: '';
  position: absolute;
  top: 7px;
  left: 7px;
  right: 7px;
  bottom: 7px;
  border: 1.5px solid var(--primary-deep);
  border-radius: 4px;
  transform: rotate(45deg);
}

.footer-brand .logo-icon::after {
  content: '';
  position: absolute;
  top: 13px;
  left: 13px;
  width: 8px;
  height: 8px;
  background: var(--primary-deep);
  border-radius: 50%;
}

.footer-brand .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.5);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}

.footer-col ul li a i {
  font-size: 10px;
  color: var(--gold);
  transition: transform var(--transition);
}

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

.footer-col ul li a:hover i {
  transform: translateX(3px);
}

.footer-bottom {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

.footer-bottom span {
  display: inline-block;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .section {
    padding: 60px 0;
  }
  
  .page-hero {
    padding: 140px 0 60px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  
  .hero-image-wrap {
    margin: 40px auto 0;
    max-width: 100%;
  }
  
  .hero-image-wrap img {
    height: 280px;
  }
}

@media (max-width: 768px) {
  .page-hero h1 {
    font-size: 30px;
  }
  
  .section-head h2 {
    font-size: 24px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .steps-row {
    flex-direction: column;
    align-items: center;
  }
  
  .step-item {
    max-width: 100%;
    width: 100%;
  }
  
  .step-line {
    display: none;
  }
  
  .cta-box {
    padding: 40px 24px;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: 84px;
    left: 12px;
    right: 12px;
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: all var(--transition);
    z-index: 99;
    border: 1px solid var(--border);
  }
  
  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .main-nav a {
    padding: 14px 16px;
    border-radius: 8px;
    font-size: 15px;
  }
  
  .main-nav a::after {
    display: none;
  }
  
  .main-nav a.active {
    background: rgba(27,94,75,0.08);
  }
  
  .page-hero {
    padding: 130px 0 50px;
  }
  
  .page-hero h1 {
    font-size: 28px;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .hero-image-wrap img {
    height: 220px;
  }
  
  .section {
    padding: 48px 0;
  }
  
  .section-head {
    margin-bottom: 32px;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cta-actions .btn {
    width: 100%;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-brand p {
    max-width: 100%;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  
  .page-hero h1 {
    font-size: 24px;
  }
  
  .hero-sub {
    font-size: 14px;
  }
  
  .brand .logo-text {
    font-size: 19px;
  }
  
  .header-inner {
    padding: 0 16px;
  }
  
  .section-head h2 {
    font-size: 21px;
  }
  
  .card-body {
    padding: 16px;
  }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-hero .columns:first-child {
  animation: fadeInUp 0.6s ease both;
}

.page-hero .columns:last-child {
  animation: fadeInUp 0.6s ease 0.15s both;
}

/* roulang page: category3 */
:root {
  --primary: #1B5E4B;
  --primary-light: #2D7D66;
  --primary-deep: #0E3328;
  --accent: #C4A46C;
  --accent-light: #D6BC92;
  --accent-deep: #B1905A;
  --bg-warm: #F7F5F0;
  --bg-green: #EDF3EE;
  --text-main: #2A3330;
  --text-sub: #6B7A72;
  --border-color: #E3DFD4;
  --card-border: #EAE5DA;
  --shadow-sm: 0 2px 8px rgba(30,50,40,0.06);
  --shadow-md: 0 6px 20px rgba(30,50,40,0.10);
  --radius-card: 10px;
  --radius-btn: 6px;
  --header-height: 72px;
  --transition: all 300ms ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--bg-warm);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
section { position: relative; }

/* ===== Header & Nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  z-index: 100;
  padding-top: 12px;
  transition: var(--transition);
}
.site-header .header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  background: transparent;
  border-radius: 12px;
  padding: 0 28px;
  transition: var(--transition);
}
.site-header.scrolled .header-wrap {
  background: rgba(247,245,240,0.95);
  box-shadow: 0 2px 16px rgba(30,50,40,0.08);
  border: 1px solid rgba(227,223,212,0.8);
}
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo-icon {
  width: 38px; height: 38px;
  background: var(--primary-deep);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.brand-logo-icon::before {
  content: '';
  width: 18px; height: 18px;
  border: 2px solid var(--accent);
  border-radius: 4px;
  transform: rotate(45deg);
}
.brand-logo-icon::after {
  content: '';
  position: absolute;
  width: 6px; height: 6px;
  background: var(--accent-light);
  border-radius: 50%;
  top: 6px; right: 6px;
}
.brand-logo-text {
  font-size: 21px;
  font-weight: 700;
  color: var(--primary-deep);
  letter-spacing: 1px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  position: relative;
  padding: 9px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 8px;
  transition: var(--transition);
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 18px; right: 18px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: var(--transition);
}
.main-nav a:hover { color: var(--primary); background: rgba(27,94,75,0.05); }
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav a.active {
  background: rgba(27,94,75,0.10);
  color: var(--primary);
  font-weight: 600;
}
.main-nav a.active::after { transform: scaleX(1); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px; height: 44px;
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  z-index: 200;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--primary-deep);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Page Hero ===== */
.page-hero {
  padding: 160px 0 70px;
  background: linear-gradient(135deg, #F7F5F0 0%, #EDF3EE 55%, #E2EAE3 100%);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 90px; right: -60px;
  width: 260px; height: 260px;
  border: 1px solid rgba(196,164,108,0.35);
  border-radius: 50%;
  pointer-events: none;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 20px; left: 10%;
  width: 120px; height: 120px;
  border: 1px solid rgba(27,94,75,0.12);
  transform: rotate(45deg);
  border-radius: 12px;
  pointer-events: none;
}
.page-hero .hero-inner {
  text-align: center;
  position: relative;
  z-index: 2;
}
.page-hero .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--primary);
  background: rgba(27,94,75,0.08);
  border: 1px solid rgba(27,94,75,0.15);
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 22px;
  letter-spacing: 1px;
}
.page-hero .hero-kicker i { color: var(--accent-deep); font-size: 13px; }
.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  color: var(--primary-deep);
  letter-spacing: 1px;
  line-height: 1.3;
  margin-bottom: 16px;
}
.page-hero .hero-desc {
  max-width: 620px;
  margin: 0 auto 32px;
  font-size: 16px;
  color: var(--text-sub);
  line-height: 1.9;
}
.page-hero .hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  line-height: 1.4;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary-deep);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(196,164,108,0.35); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover { background: rgba(27,94,75,0.08); transform: translateY(-2px); }
.btn-light {
  background: #fff;
  color: var(--primary-deep);
  border-color: #fff;
}
.btn-light:hover { background: var(--bg-green); border-color: var(--bg-green); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.10); }

/* ===== Section Common ===== */
.section-block { padding: 80px 0; }
.section-head {
  text-align: center;
  margin-bottom: 46px;
}
.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-deep);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  line-height: 1.4;
}
.section-head p {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 560px;
  margin: 0 auto;
}
.section-sub { margin-top: 6px; }

/* ===== Overview Strip ===== */
.overview-strip { background: var(--bg-warm); }
.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.overview-card {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  padding: 34px 28px 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.overview-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: var(--transition);
}
.overview-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.overview-card:hover::before { opacity: 1; }
.overview-card .ov-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(27,94,75,0.08);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
  color: var(--primary);
  transition: var(--transition);
}
.overview-card:hover .ov-icon { background: var(--primary); color: #fff; }
.overview-card h3 { font-size: 19px; font-weight: 700; color: var(--text-main); margin-bottom: 10px; }
.overview-card p { font-size: 14px; color: var(--text-sub); line-height: 1.75; }

/* ===== Levels Section (dark) ===== */
.levels-section {
  background: var(--primary-deep);
  color: #E9EFEB;
  overflow: hidden;
}
.levels-section::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 300px; height: 300px;
  border: 1px solid rgba(196,164,108,0.25);
  border-radius: 50%;
}
.levels-section .section-head h2 { color: #fff; }
.levels-section .section-head p { color: rgba(233,239,235,0.7); }
.levels-section .section-tag { color: var(--accent-light); }
.levels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
}
.level-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-card);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.level-card:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(196,164,108,0.5);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.20);
}
.level-card .level-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-light);
  background: rgba(196,164,108,0.15);
  padding: 4px 14px;
  border-radius: 30px;
  display: inline-block;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.level-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.level-card .level-sub {
  font-size: 13px;
  color: rgba(233,239,235,0.6);
  margin-bottom: 16px;
}
.level-card .level-features {
  text-align: left;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.10);
}
.level-card .level-features li {
  font-size: 13px;
  color: rgba(233,239,235,0.8);
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.level-card .level-features li i { color: var(--accent); font-size: 11px; }

/* ===== Process Section ===== */
.process-section { background: var(--bg-green); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-step {
  text-align: center;
  padding: 30px 18px 24px;
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}
.process-step .step-num {
  width: 46px; height: 46px;
  margin: 0 auto 16px;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.process-step .step-num::after {
  content: '';
  position: absolute;
  width: calc(100% + 40px);
  height: 1px;
  top: 50%;
  left: calc(100% + 10px);
  background: rgba(196,164,108,0.4);
}
.process-step:last-child .step-num::after { display: none; }
.process-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--primary-deep); }
.process-step p { font-size: 13px; color: var(--text-sub); line-height: 1.6; }

/* ===== Events Section ===== */
.events-section { background: var(--bg-warm); }
.events-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.event-card {
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--card-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.event-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}
.event-card .event-media {
  height: 190px;
  overflow: hidden;
  position: relative;
}
.event-card .event-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.event-card:hover .event-media img { transform: scale(1.05); }
.event-card .event-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(14,51,40,0.30));
}
.event-tag {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(255,255,255,0.92);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 30px;
  z-index: 2;
  backdrop-filter: blur(4px);
}
.event-body { padding: 22px 22px 26px; }
.event-body h3 { font-size: 17px; font-weight: 700; color: var(--text-main); margin-bottom: 8px; line-height: 1.5; }
.event-body p { font-size: 14px; color: var(--text-sub); line-height: 1.7; }
.event-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-sub);
}
.event-meta i { color: var(--accent-deep); margin-right: 4px; }

/* ===== FAQ Section ===== */
.faq-section { background: var(--bg-green); }
.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
  padding: 10px 28px;
}
.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 18px 0;
  transition: var(--transition);
}
.faq-item:last-child { border-bottom: none; }
.faq-item.active { background: rgba(237,243,238,0.4); margin: 0 -14px; padding-left: 14px; padding-right: 14px; border-radius: 10px; }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  padding: 4px 0;
  text-align: left;
}
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  color: var(--accent-deep);
  flex-shrink: 0;
  transition: transform 300ms ease, background 300ms ease, color 300ms ease;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms ease;
}
.faq-answer .inner {
  padding-top: 12px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.85;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 90px 0;
  background: linear-gradient(rgba(14,51,40,0.86), rgba(14,51,40,0.86)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color: #fff;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 30px; left: 50%;
  transform: translateX(-50%);
  width: 80px; height: 1px;
  background: var(--accent);
}
.cta-inner { max-width: 600px; margin: 0 auto; position: relative; z-index: 2; }
.cta-inner h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.cta-inner p {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 30px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: #0B2E26;
  color: rgba(255,255,255,0.8);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand .logo-icon {
  width: 34px; height: 34px;
  background: var(--accent);
  border-radius: 8px;
  position: relative;
  display: inline-block;
}
.footer-brand .logo-icon::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 2px solid var(--primary-deep);
  border-radius: 3px;
  transform: rotate(45deg);
}
.footer-brand .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  max-width: 280px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 30px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.footer-col ul li a i { font-size: 12px; color: var(--accent); }
.footer-col ul li a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .overview-grid { grid-template-columns: repeat(2, 1fr); }
  .levels-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .events-grid { grid-template-columns: repeat(2, 1fr); }
  .process-step .step-num::after { display: none; }
  .page-hero h1 { font-size: 36px; }
}
@media (max-width: 768px) {
  .section-block { padding: 60px 0; }
  .site-header .header-wrap { padding: 0 16px; }
  .main-nav {
    position: fixed;
    top: 0; right: -280px;
    width: 260px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 90px 24px 30px;
    gap: 8px;
    box-shadow: -8px 0 30px rgba(0,0,0,0.10);
    transition: right 300ms ease;
    z-index: 150;
  }
  .main-nav.open { right: 0; }
  .main-nav a { font-size: 16px; padding: 12px 16px; width: 100%; text-align: left; }
  .main-nav a::after { left: 16px; bottom: 6px; }
  .nav-toggle { display: flex; }
  .page-hero { padding: 140px 0 56px; }
  .page-hero h1 { font-size: 32px; }
  .overview-grid, .levels-grid, .events-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { width: 100%; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero .hero-actions { flex-direction: column; align-items: stretch; }
  .page-hero .hero-actions .btn { width: 100%; }
  .section-head h2 { font-size: 24px; }
  .faq-wrap { padding: 6px 18px; }
  .cta-inner h2 { font-size: 24px; }
}