/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #1F4E4A;
  --accent: #B8925C;
  --bg: #F5F2EA;
  --dark: #142B28;
  --text: #22302D;
  --text-secondary: #5A6764;
  --border: #E3DED3;
  --card-bg: #FFFFFF;
  --success: #4A7C6E;
  --error: #A65A4F;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(20, 43, 40, 0.06);
  --shadow-lg: 0 20px 40px rgba(20, 43, 40, 0.14);
  --container: 1200px;
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "STSong", serif;
  --font-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Roboto Condensed", sans-serif;
}

/* ===== Reset & 基础 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: none; outline: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 2px; color: var(--accent);
  font-weight: 500; text-transform: uppercase;
}
.section-label .line { width: 24px; height: 1px; background: var(--accent); display: inline-block; }
.section-head { margin-bottom: 48px; }
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 36px; font-weight: 700; line-height: 1.3;
  color: var(--text); margin-top: 10px;
}
.section-head.center { text-align: center; }
.section-head.center .section-label { justify-content: center; }
.section-head p { color: var(--text-secondary); margin-top: 8px; font-size: 15px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 48px; padding: 0 32px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; letter-spacing: 1px;
  cursor: pointer; transition: var(--transition);
  white-space: nowrap; border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #a6804d; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(184, 146, 92, 0.3); }
.btn-primary:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.7); color: #fff; }
.btn-outline:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-2px); }
.btn-dark { background: var(--primary); color: #fff; }
.btn-dark:hover { background: #183b37; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary); border: 1px solid var(--border); }
.btn-light:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; }

/* ===== 标签 ===== */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 12px; border-radius: var(--radius-full);
  background: #EFE9DB; color: #8A6B3D;
  font-size: 12px; line-height: 1.4; font-weight: 500;
}
.badge-outline { background: transparent; border: 1px solid rgba(184,146,92,0.5); }

/* ===== 导航 ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 76px; background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: var(--transition);
}
.site-header.scrolled {
  height: 60px; background: #fff;
  box-shadow: 0 2px 12px rgba(20, 43, 40, 0.06);
}
.header-inner {
  max-width: var(--container); height: 100%; margin: 0 auto;
  padding: 0 28px; display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--primary); display: flex; align-items: center; justify-content: center;
  position: relative;
}
.logo-mark::after {
  content: ''; position: absolute; width: 18px; height: 2px;
  background: var(--accent); border-radius: 2px;
}
.logo-text { font-family: var(--font-serif); font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: 2px; }
.logo-text span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a {
  font-size: 14px; color: var(--text-secondary); position: relative;
  padding: 6px 0; transition: var(--transition); font-weight: 500;
}
.main-nav a:hover, .main-nav a.active { color: var(--primary); }
.main-nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--accent); transition: width 0.2s ease;
}
.main-nav a.active::after, .main-nav a:hover::after { width: 100%; }
.header-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none; width: 40px; height: 40px; align-items: center; justify-content: center;
  cursor: pointer; border-radius: var(--radius-sm);
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ''; display: block; width: 20px; height: 2px;
  background: var(--text); transition: var(--transition);
}
.nav-toggle span { position: relative; }
.nav-toggle span::before { position: absolute; top: -6px; left: 0; }
.nav-toggle span::after { position: absolute; top: 6px; left: 0; }

/* 移动端抽屉 */
.mobile-drawer {
  position: fixed; top: 0; right: -320px; width: 320px; height: 100vh;
  background: #fff; z-index: 1001; box-shadow: var(--shadow-lg);
  transition: right 0.3s ease; display: flex; flex-direction: column;
  padding: 24px;
}
.mobile-drawer.open { right: 0; }
.drawer-head { display: flex; justify-content: flex-end; margin-bottom: 28px; }
.drawer-close { width: 36px; height: 36px; border-radius: 50%; background: var(--bg); display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 18px; }
.drawer-nav { display: flex; flex-direction: column; flex: 1; }
.drawer-nav a {
  display: flex; align-items: center; min-height: 48px;
  border-bottom: 1px solid var(--border); font-size: 15px; color: var(--text);
}
.drawer-nav a.active { color: var(--accent); font-weight: 600; }
.drawer-cta { margin-top: auto; }
.drawer-overlay {
  position: fixed; inset: 0; background: rgba(20, 43, 40, 0.5);
  z-index: 1000; display: none;
}
.drawer-overlay.show { display: block; }

/* ===== Hero 首屏 ===== */
.hero {
  position: relative; min-height: 92vh; display: flex; flex-direction: column;
  justify-content: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  z-index: 0;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(135deg, rgba(20, 43, 40, 0.45) 0%, rgba(20, 43, 40, 0.85) 100%);
}
.hero-content { position: relative; z-index: 2; padding-top: 120px; padding-bottom: 60px; }
.hero-eyebrow {
  display: flex; align-items: center; gap: 12px;
  color: rgba(255,255,255,0.85); font-size: 14px; letter-spacing: 3px;
  margin-bottom: 24px;
}
.hero-eyebrow .line { width: 32px; height: 1px; background: var(--accent); }
.hero h1 {
  font-family: var(--font-serif); font-size: 54px; font-weight: 800;
  color: #fff; line-height: 1.25; max-width: 720px;
  margin-bottom: 20px;
}
.hero h1 .gold { color: var(--accent); }
.hero-sub {
  color: rgba(255,255,255,0.85); font-size: 16px; line-height: 1.7;
  max-width: 480px; margin-bottom: 28px;
}
.hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-tags span {
  padding: 5px 16px; border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.4); color: rgba(255,255,255,0.9);
  font-size: 13px; letter-spacing: 1px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  background: rgba(255,255,255,0.12); backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-stats .container { display: flex; justify-content: space-between; padding: 28px; flex-wrap: wrap; }
.stat-item { display: flex; flex-direction: column; text-align: center; min-width: 120px; }
.stat-num { font-family: var(--font-num); font-size: 32px; font-weight: 700; color: var(--accent); line-height: 1.1; }
.stat-num small { font-size: 14px; margin-left: 2px; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.8); margin-top: 4px; letter-spacing: 1px; }

/* ===== 品牌介绍 ===== */
.brand-section { padding: 96px 0; }
.brand-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: center; }
.brand-left .section-label { margin-bottom: 16px; }
.brand-left h2 {
  font-family: var(--font-serif); font-size: 38px; font-weight: 700; line-height: 1.3;
}
.brand-right p {
  color: var(--text-secondary); font-size: 15px; line-height: 1.85;
  margin-bottom: 32px; max-width: 560px;
}
.brand-image { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.brand-image img { width: 100%; height: 320px; object-fit: cover; transition: transform 0.6s ease; }
.brand-image:hover img { transform: scale(1.03); }
.brand-badge {
  position: absolute; right: -8px; bottom: 24px;
  background: var(--accent); color: #fff;
  padding: 14px 20px; border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  font-family: var(--font-num); font-size: 18px; font-weight: 700; line-height: 1.2;
  text-align: center;
}
.brand-badge small { display: block; font-family: var(--font-sans); font-size: 11px; font-weight: 400; opacity: 0.9; margin-top: 2px; }

/* ===== 优势阶梯 ===== */
.advantages { padding: 96px 0; background: #EDE8DC; }
.advantages .section-head { margin-bottom: 56px; }
.advantage-list { display: flex; flex-direction: column; }
.advantage-item {
  display: flex; align-items: center; gap: 32px;
  padding: 28px 32px; border-bottom: 1px solid transparent;
  background: linear-gradient(0deg, transparent, transparent) bottom / 100% 1px no-repeat;
  transition: var(--transition); position: relative;
}
.advantage-item::before {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent) 40%, transparent);
}
.advantage-item:hover { background: #F5F2EA; }
.advantage-item.featured { border-left: 2px solid var(--accent); padding-left: 44px; }
.adv-index { font-family: var(--font-num); font-size: 42px; font-weight: 700; color: var(--accent); min-width: 70px; opacity: 0.8; }
.adv-content { flex: 1; }
.adv-content h3 { font-size: 20px; font-weight: 600; margin-bottom: 6px; font-family: var(--font-sans); }
.adv-content p { color: var(--text-secondary); font-size: 14px; max-width: 640px; }
.adv-tag {
  padding: 4px 14px; border-radius: var(--radius-full);
  font-size: 12px; flex-shrink: 0;
}
.adv-tag.level-basic { background: #EFE9DB; color: #8A6B3D; }
.adv-tag.level-pro { background: #E2D5C0; color: #7A5A2C; }
.adv-tag.level-flagship { background: var(--primary); color: #fff; }

/* ===== 套餐对比 ===== */
.pricing-section { padding: 96px 0; background: #EDE8DC; }
.pricing-table {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  max-width: 1080px; margin: 0 auto;
}
.pricing-col {
  background: #fff; border-radius: var(--radius-lg); padding: 40px 32px;
  box-shadow: var(--shadow-sm); transition: var(--transition); position: relative;
  display: flex; flex-direction: column;
}
.pricing-col:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pricing-col.featured {
  box-shadow: 0 8px 30px rgba(20, 43, 40, 0.12);
  border-top: 4px solid var(--accent);
}
.pricing-recommend {
  position: absolute; top: 0; right: 24px; transform: translateY(-50%);
  background: var(--accent); color: #fff; padding: 4px 14px;
  border-radius: var(--radius-full); font-size: 11px; letter-spacing: 1px;
  font-weight: 500;
}
.price-head { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.price-amount { font-family: var(--font-num); font-size: 36px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.price-note { font-size: 13px; color: var(--text-secondary); margin-bottom: 28px; }
.price-features { flex: 1; margin-bottom: 28px; }
.price-features li {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; font-size: 14px; color: var(--text);
  border-bottom: 1px solid #f0ece3;
}
.price-features li::before {
  content: '✓'; display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; border-radius: 50%;
  background: rgba(184,146,92,0.15); color: var(--accent);
  font-size: 11px; flex-shrink: 0;
}
.price-features li.disable { color: #a0a8a6; }
.price-features li.disable::before { content: '—'; background: transparent; color: #c0c8c6; }
.pricing-col .btn { width: 100%; }

/* ===== 限时活动 ===== */
.campaign {
  position: relative; background: var(--dark); padding: 80px 0;
  overflow: hidden;
}
.campaign::before {
  content: ''; position: absolute; top: -40%; right: -10%;
  width: 400px; height: 600px;
  background: linear-gradient(135deg, transparent 40%, rgba(184,146,92,0.12) 100%);
  transform: rotate(-15deg);
  pointer-events: none;
}
.campaign-inner {
  display: flex; align-items: center; gap: 48px;
  position: relative; z-index: 2; flex-wrap: wrap;
}
.campaign-left { flex: 1; min-width: 260px; }
.campaign-left h2 { font-family: var(--font-serif); font-size: 32px; color: #fff; margin-bottom: 8px; }
.campaign-left p { color: rgba(255,255,255,0.8); font-size: 14px; }
.campaign-countdown { display: flex; flex-direction: column; align-items: center; }
.countdown-label { color: rgba(255,255,255,0.7); font-size: 13px; margin-bottom: 12px; letter-spacing: 2px; }
.countdown-boxes { display: flex; gap: 8px; }
.cd-box {
  width: 56px; padding: 10px 8px; text-align: center;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(184,146,92,0.5); border-radius: var(--radius-sm);
  font-family: var(--font-num); font-size: 28px; font-weight: 700;
  color: #fff; line-height: 1.2;
}
.cd-box span { display: block; font-family: var(--font-sans); font-size: 11px; font-weight: 400; color: rgba(255,255,255,0.6); margin-top: 2px; }
.cd-box.sec { color: #e8c896; }
.campaign .btn { flex-shrink: 0; }

/* ===== 资讯 ===== */
.news-section { padding: 96px 0; }
.news-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 32px; }
.news-featured {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.news-featured:hover { box-shadow: var(--shadow-lg); }
.news-featured img { width: 100%; height: 300px; object-fit: cover; }
.news-featured-content { padding: 28px; }
.news-featured-content h3 { font-size: 20px; font-weight: 600; margin: 10px 0; line-height: 1.4; }
.news-featured-content p { color: var(--text-secondary); font-size: 14px; line-height: 1.75; margin-bottom: 12px; }
.news-date { font-size: 13px; color: #8a9491; display: flex; align-items: center; gap: 6px; }
.news-date::before {
  content: '📅'; font-size: 12px; opacity: 0.8;
}
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  background: #fff; border-radius: var(--radius-lg); padding: 20px;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  display: flex; flex-direction: column; gap: 8px;
}
.news-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.news-item-title { font-size: 16px; font-weight: 500; color: var(--text); line-height: 1.4; transition: var(--transition); }
.news-item:hover .news-item-title { color: var(--accent); }
.news-item-summary { font-size: 13px; color: var(--text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: #8a9491; margin-top: 4px; }
.empty-state {
  border: 1px dashed var(--border); border-radius: var(--radius-lg);
  padding: 60px 20px; text-align: center; color: var(--text-secondary);
  font-size: 14px; display: flex; align-items: center; justify-content: center;
  min-height: 200px;
}
.more-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent); font-size: 14px; font-weight: 500;
  transition: var(--transition);
}
.more-link:hover { gap: 12px; color: #9a7444; }

/* ===== 咨询表单 ===== */
.contact-section { padding: 96px 0; background: #EDE8DC; }
.contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; }
.contact-info h2 { font-family: var(--font-serif); font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 32px; font-size: 15px; }
.contact-list { margin-bottom: 24px; }
.contact-list li {
  display: flex; align-items: center; gap: 14px; padding: 12px 0;
  border-bottom: 1px solid rgba(227, 222, 211, 0.6); font-size: 14px;
}
.contact-list li .icon { color: var(--accent); flex-shrink: 0; font-size: 16px; }
.contact-hours { font-size: 13px; color: var(--text-secondary); }
.contact-form-wrap {
  background: #fff; border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block; font-size: 13px; color: var(--text-secondary);
  margin-bottom: 6px; font-weight: 500;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; height: 46px; padding: 8px 0;
  border-bottom: 1px solid var(--border);
  background: transparent; font-size: 14px; transition: border-color 0.2s ease;
}
.form-group textarea { height: auto; resize: vertical; min-height: 100px; line-height: 1.6; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-bottom-color: var(--accent);
  box-shadow: 0 1px 0 0 var(--accent);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #b4bcb9; }
.form-group select { cursor: pointer; -webkit-appearance: none; appearance: none; }
.form-error { color: var(--error); font-size: 12px; margin-top: 4px; display: none; }
.form-group.has-error input { border-bottom-color: var(--error); }
.btn-submit { background: var(--primary); color: #fff; }
.btn-submit.loading { opacity: 0.6; pointer-events: none; }
.btn-submit.loading::after {
  content: '◌'; display: inline-block; width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff;
  border-radius: 50%; animation: spin 0.8s linear infinite; margin-left: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== FAQ ===== */
.faq-section { padding: 96px 0; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border); overflow: hidden;
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 0; cursor: pointer; font-size: 15px; font-weight: 500;
  text-align: left; width: 100%; transition: var(--transition);
}
.faq-q:hover { color: var(--accent); }
.faq-q .arrow {
  width: 16px; height: 16px; flex-shrink: 0; transition: transform 0.2s ease;
}
.faq-item.open .faq-q .arrow { transform: rotate(90deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  color: var(--text-secondary); font-size: 14px; line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 300px; padding-bottom: 20px; }
.faq-a p { padding-right: 32px; }

/* ===== CTA ===== */
.cta-band {
  background: var(--primary); padding: 48px 0;
  text-align: center; color: #fff;
}
.cta-band h2 { font-family: var(--font-serif); font-size: 26px; font-weight: 700; margin-bottom: 6px; }
.cta-band p { color: rgba(255,255,255,0.8); margin-bottom: 24px; font-size: 14px; }

/* ===== 页脚 ===== */
.footer {
  background: var(--dark); color: rgba(255,255,255,0.75);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 4fr 2fr 3fr 3fr; gap: 40px;
  padding-bottom: 56px;
}
.footer-brand .footer-logo {
  font-family: var(--font-serif); font-size: 22px; font-weight: 700;
  color: #fff; margin-bottom: 16px; display: flex; align-items: center; gap: 10px;
}
.footer-brand .footer-logo .logo-mark { width: 28px; height: 28px; }
.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: 14px; font-weight: 600; color: #fff;
  margin-bottom: 20px; letter-spacing: 1px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.6); font-size: 14px; transition: var(--transition); }
.footer-col ul a:hover { color: var(--accent); }
.footer-col .contact-info li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.6); }
.qrcode-placeholder {
  width: 120px; height: 120px; background: #fff; border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 13px;
  border: 1px dashed #c0c8c6;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0; text-align: center;
  font-size: 13px; color: rgba(255,255,255,0.4);
}

/* ===== 面包屑（通用预留） ===== */
.breadcrumb {
  padding: 16px 0; font-size: 13px; color: var(--text-secondary);
  background: #fff; border-bottom: 1px solid var(--border);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 8px; color: #c0c8c6; }
.breadcrumb .current { color: var(--text); }

/* ===== 动画 ===== */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 1060px) {
  .pricing-table { grid-template-columns: repeat(2, 1fr); }
  .pricing-col.featured { grid-row: span 1; order: -1; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .brand-grid { grid-template-columns: 1fr; gap: 40px; }
  .news-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .campaign-inner { flex-direction: column; text-align: center; }
  .campaign-left { flex: none; }
  .campaign-countdown { width: 100%; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .header-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 14px; }
  .hero-stats .container { gap: 16px; padding: 20px; justify-content: center; }
  .stat-item { min-width: 90px; }
  .stat-num { font-size: 26px; }
  .pricing-table { grid-template-columns: 1fr; gap: 16px; }
  .advantage-item { flex-wrap: wrap; gap: 16px; padding: 20px; }
  .adv-index { font-size: 32px; min-width: 46px; }
  .section-head h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form-wrap { padding: 24px; }
  .cd-box { width: 48px; font-size: 24px; }
  .btn { padding: 0 24px; height: 44px; }
}

/* roulang page: category1 */
:root {
            --primary: #1F4E4A;
            --accent: #B8925C;
            --bg: #F5F2EA;
            --dark: #142B28;
            --text: #22302D;
            --text-secondary: #5A6764;
            --border: #E3DED3;
            --success: #4A7C6E;
            --error: #A65A4F;
            --card: #FFFFFF;
            --card-trans: rgba(255, 255, 255, .78);
            --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", SimSun, serif;
            --font-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --font-num: "DIN Alternate", "Roboto Condensed", "Bahnschrift", "Arial Narrow", sans-serif;
            --shadow-sm: 0 2px 8px rgba(20, 43, 40, .06);
            --shadow-lg: 0 20px 40px rgba(20, 43, 40, .14);
            --radius: 4px;
            --radius-card: 12px;
            --radius-pill: 999px;
            --container: 1200px;
            --header-h: 76px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
        }

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

        .section {
            padding: 96px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--accent);
        }

        .section-label::before {
            content: "";
            width: 4px;
            height: 20px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 34px;
            line-height: 1.35;
            color: var(--text);
            margin: 18px 0 16px;
            word-break: break-word;
        }

        .section-desc {
            color: var(--text-secondary);
            max-width: 640px;
            font-size: 15px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 32px;
            border-radius: var(--radius);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .2s ease;
            white-space: nowrap;
        }

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

        .btn-primary {
            background: var(--accent);
            color: #142B28;
        }

        .btn-primary:hover {
            background: #A67A45;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

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

        .btn-outline:hover {
            background: var(--accent);
            color: #142B28;
            transform: translateY(-2px);
        }

        .btn-white-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .7);
            color: #fff;
        }

        .btn-white-outline:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-block {
            width: 100%;
            margin-top: 12px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            z-index: 100;
            width: 100%;
            height: var(--header-h);
            display: flex;
            align-items: center;
            background: transparent;
            transition: background .3s ease, box-shadow .3s ease, height .3s ease;
        }

        .site-header.scrolled {
            height: 60px;
            background: #FFFFFF;
            box-shadow: 0 2px 12px rgba(20, 43, 40, .06);
        }

        .header-inner {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

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

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--accent), #8A6B3D);
            position: relative;
            box-shadow: 0 2px 6px rgba(31, 78, 74, .25);
        }

        .logo-mark::after {
            content: "";
            position: absolute;
            inset: 5px;
            border: 1px solid rgba(255, 255, 255, .55);
            border-radius: 3px;
        }

        .logo-text {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .04em;
            transition: color .3s ease;
            line-height: 1.2;
        }

        .logo-text span {
            font-weight: 400;
            opacity: .72;
            margin-left: 2px;
        }

        .site-header.scrolled .logo-text {
            color: var(--text);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 34px;
        }

        .main-nav a {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, .9);
            transition: color .2s ease;
            padding: 6px 0;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width .25s ease;
        }

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

        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }

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

        .site-header.scrolled .main-nav a {
            color: var(--text);
        }

        .site-header.scrolled .main-nav a.active {
            color: var(--accent);
        }

        .site-header.scrolled .main-nav a:hover {
            color: var(--accent);
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .header-cta .btn {
            height: 42px;
            padding: 0 24px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: background .3s ease;
        }

        .site-header.scrolled .nav-toggle span {
            background: var(--text);
        }

        .nav-mobile-cta {
            display: none;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 150px 0 100px;
            background: url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
            background-color: var(--dark);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20, 43, 40, .55) 0%, rgba(20, 43, 40, .78) 48%, rgba(20, 43, 40, .38) 100%);
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 26px;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: color .2s;
        }

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

        .hero-breadcrumb .divide {
            opacity: .5;
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 52px;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }

        .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin-bottom: 34px;
            line-height: 1.8;
        }

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

        /* ===== Value Intro ===== */
        .value-intro {
            background: var(--bg);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1.08fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .intro-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .intro-media img {
            width: 100%;
            height: 430px;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .intro-caption {
            margin-top: 12px;
            font-size: 13px;
            color: var(--text-secondary);
            text-align: center;
        }

        .intro-copy .section-title {
            font-size: 36px;
        }

        .intro-text {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
            margin-top: 8px;
        }

        .intro-cols {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 34px;
            padding-top: 30px;
            border-top: 1px solid var(--border);
        }

        .intro-col h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .intro-col p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .value-points {
            margin-top: 34px;
            border-top: 1px solid var(--border);
        }

        .value-point {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: background .2s;
        }

        .value-point:last-child {
            border-bottom: none;
        }

        .value-point:hover {
            background: rgba(245, 242, 234, .65);
        }

        .point-icon {
            flex: 0 0 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(184, 146, 92, .14);
            color: var(--accent);
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .point-text {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
        }

        /* ===== Data ===== */
        .value-data {
            background: var(--dark);
            padding: 88px 0;
            color: #fff;
        }

        .value-data .section-label {
            color: var(--accent);
        }

        .value-data .section-title {
            color: #fff;
        }

        .value-data .section-desc {
            color: rgba(255, 255, 255, .65);
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-top: 56px;
        }

        .data-item {
            text-align: center;
            padding: 20px 0;
            position: relative;
        }

        .data-item+.data-item {
            border-left: 1px solid rgba(255, 255, 255, .12);
        }

        .data-num {
            font-family: var(--font-num);
            font-size: 54px;
            line-height: 1;
            color: var(--accent);
            letter-spacing: .02em;
        }

        .data-label {
            margin-top: 14px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
        }

        /* ===== Showcase ===== */
        .value-showcase {
            background: var(--bg);
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 28px;
            margin-top: 48px;
        }

        .show-card {
            background: var(--card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        .show-card.large {
            grid-column: span 7;
        }

        .show-card.small {
            grid-column: span 5;
        }

        .show-card.wide {
            grid-column: span 6;
        }

        .show-img {
            overflow: hidden;
        }

        .show-img img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .show-card.small .show-img img {
            height: 220px;
        }

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

        .show-body {
            padding: 26px 26px 30px;
        }

        .show-tag {
            display: inline-block;
            background: rgba(184, 146, 92, .14);
            color: #8A6B3D;
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 14px;
        }

        .show-title {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }

        .show-text {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ===== CTA Bar ===== */
        .cta-bar {
            position: relative;
            background: var(--primary);
            padding: 72px 0;
            color: #fff;
            overflow: hidden;
        }

        .cta-bar::after {
            content: "";
            position: absolute;
            top: -60%;
            right: -10%;
            width: 45%;
            height: 220%;
            background: linear-gradient(115deg, transparent 40%, rgba(184, 146, 92, .22) 50%, transparent 62%);
            transform: rotate(-12deg);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-title {
            font-family: var(--font-serif);
            font-size: 30px;
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .cta-desc {
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
        }

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

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

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

        .faq-head .section-label {
            justify-content: center;
        }

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

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .25s;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 26px;
            cursor: pointer;
            list-style: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: color .2s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            transition: transform .3s ease, background .3s ease, border-color .3s ease;
        }

        .faq-item[open] .faq-icon {
            transform: rotate(90deg);
            background: rgba(184, 146, 92, .12);
            border-color: var(--accent);
        }

        .faq-answer {
            padding: 0 26px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px solid var(--border);
            margin: 0 26px 0 26px;
            padding-left: 0;
            padding-right: 0;
            padding-top: 16px;
        }

        /* ===== Contact CTA ===== */
        .contact-cta {
            background: var(--bg);
            border-top: 1px solid var(--border);
            padding: 96px 0;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .contact-copy .section-title {
            font-size: 36px;
        }

        .contact-copy>p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-top: 12px;
            max-width: 520px;
        }

        .contact-list {
            list-style: none;
            margin-top: 32px;
        }

        .contact-list li {
            position: relative;
            padding-left: 30px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 2;
        }

        .contact-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 13px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        .contact-card {
            background: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 36px;
        }

        .contact-card h3 {
            font-family: var(--font-serif);
            font-size: 24px;
            color: var(--text);
            margin-bottom: 8px;
        }

        .contact-card p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 18px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .7);
            padding: 72px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            max-width: 300px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-col ul {
            list-style: none;
        }

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

        .footer-col ul a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: color .2s;
        }

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

        .contact-info li {
            font-size: 14px;
            line-height: 2;
            color: rgba(255, 255, 255, .6);
        }

        .qrcode-placeholder {
            width: 136px;
            height: 136px;
            background: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .4);
            transition: color .2s;
        }

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

        /* ===== Reveal ===== */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity .6s ease, transform .6s ease;
        }

        .reveal.revealed {
            opacity: 1;
            transform: none;
        }

        /* ===== Responsive ===== */
        @media (max-width:1060px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .show-card.large,
            .show-card.small,
            .show-card.wide {
                grid-column: span 6;
            }

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

            .data-item+.data-item {
                border-left: none;
            }

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

        @media (max-width:768px) {
            .section {
                padding: 56px 0;
            }

            .container {
                padding: 0 20px;
            }

            .main-nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--dark);
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 24px 28px 40px;
                transform: translateX(100%);
                transition: transform .3s ease;
                z-index: 99;
                overflow-y: auto;
            }

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

            .main-nav a {
                color: #fff !important;
                font-size: 18px;
                padding: 14px 0;
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, .08);
            }

            .main-nav a.active {
                color: var(--accent) !important;
            }

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

            .nav-mobile-cta {
                display: flex;
                margin-top: 28px;
                width: 100%;
                justify-content: center;
                background: var(--accent);
                color: #142B28;
            }

            .header-cta .btn-primary {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .page-hero {
                min-height: 460px;
                padding: 120px 0 72px;
            }

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

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

            .hero-cta .btn {
                width: 100%;
                margin-bottom: 8px;
            }

            .intro-media img {
                height: 260px;
            }

            .intro-cols {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .section-title {
                font-size: 26px;
            }

            .intro-copy .section-title {
                font-size: 28px;
            }

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
                margin-top: 36px;
            }

            .data-num {
                font-size: 38px;
            }

            .showcase-grid {
                grid-template-columns: 1fr;
                gap: 18px;
                margin-top: 32px;
            }

            .show-card.large,
            .show-card.small,
            .show-card.wide {
                grid-column: span 1;
            }

            .show-img img,
            .show-card.small .show-img img {
                height: 220px;
            }

            .cta-bar {
                padding: 56px 0;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

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

            .faq-item summary {
                padding: 18px 18px;
                font-size: 15px;
            }

            .faq-answer {
                font-size: 14px;
                margin: 0 18px;
            }

            .contact-cta {
                padding: 56px 0;
            }

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

            .contact-copy .section-title {
                font-size: 28px;
            }

            .contact-card {
                padding: 26px;
            }

            .footer {
                padding-top: 48px;
            }

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

        @media (max-width:520px) {
            .logo-text {
                font-size: 18px;
            }

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

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

            .data-item {
                text-align: left;
                display: flex;
                align-items: baseline;
                gap: 14px;
                padding: 14px 0;
                border-bottom: 1px solid rgba(255, 255, 255, .08);
            }

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

            .data-item+.data-item {
                border-left: none;
            }

            .data-num {
                font-size: 32px;
            }

            .data-label {
                margin-top: 0;
            }
        }

/* roulang page: article */
:root {
  --primary: #1F4E4A;
  --primary-dark: #173A36;
  --accent: #B8925C;
  --accent-dark: #9A7848;
  --bg: #F5F2EA;
  --dark: #142B28;
  --text: #22302D;
  --text-2: #5A6764;
  --border: #E3DED3;
  --card: #FFFFFF;
  --success: #4A7C6E;
  --error: #A65A4F;
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Roboto Condensed", "Arial Narrow", sans-serif;
  --container: 1200px;
  --reading-width: 760px;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;
  --shadow-sm: 0 2px 8px rgba(20, 43, 40, 0.06);
  --shadow-lg: 0 20px 40px rgba(20, 43, 40, 0.14);
  --transition: 0.2s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background: rgba(184, 146, 92, 0.25);
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.5px;
  white-space: nowrap;
  position: relative;
}

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

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(184, 146, 92, 0.3);
}

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

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

/* ===== 页头导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(227, 222, 211, 0.7);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(20, 43, 40, 0.08);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: height var(--transition);
}

.site-header.scrolled .header-inner {
  height: 62px;
}

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

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--dark));
  position: relative;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(184, 146, 92, 0.5);
}

.logo-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  transform: translate(-50%, -50%) rotate(45deg);
  border: 2px solid var(--accent);
  border-radius: 2px;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 1px;
  line-height: 1;
}

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

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

.main-nav a:not(.btn) {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 999px;
  transition: all var(--transition);
}

.main-nav a:not(.btn):hover {
  color: var(--primary);
  background: rgba(31, 78, 74, 0.06);
}

.main-nav a:not(.btn).active {
  color: var(--accent-dark);
  background: rgba(184, 146, 92, 0.12);
  font-weight: 600;
}

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

.header-cta .btn {
  height: 42px;
  padding: 0 24px;
  font-size: 14px;
}

.nav-mobile-cta {
  display: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius-sm);
  position: relative;
  z-index: 5;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--text);
  display: block;
  position: relative;
  transition: 0.3s ease;
  margin: 0 auto;
}

.nav-toggle span::before {
  position: absolute;
  top: -8px;
  left: 0;
}

.nav-toggle span::after {
  position: absolute;
  top: 8px;
  left: 0;
}

.nav-toggle.open span {
  background: transparent;
}

.nav-toggle.open span::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle.open span::after {
  transform: rotate(-45deg);
  top: 0;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2);
  padding: 24px 0 28px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-2);
  transition: color var(--transition);
}

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

.breadcrumb .sep {
  color: var(--border);
  font-size: 12px;
}

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

/* ===== 文章主体 ===== */
.article-main {
  padding: 0 0 90px;
}

.article-detail {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 56px 64px 48px;
  position: relative;
  overflow: hidden;
}

.article-detail::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-dark) 60%, transparent 100%);
}

.article-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 30px;
  margin-bottom: 36px;
}

.article-header h1 {
  font-size: 40px;
  line-height: 1.35;
  margin-bottom: 20px;
  word-break: break-word;
  font-weight: 800;
  color: var(--text);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-2);
}

.category-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 16px;
  border-radius: 999px;
  background: #EFE9DB;
  color: #8A6B3D;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ===== 正文排版 ===== */
.article-body {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.article-body p {
  margin-bottom: 28px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.article-body h2 {
  font-size: 26px;
  margin: 48px 0 20px;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.5px;
}

.article-body h3 {
  font-size: 21px;
  margin: 40px 0 16px;
  color: var(--text);
  font-weight: 700;
}

.article-body img {
  border-radius: var(--radius-md);
  margin: 32px 0;
  box-shadow: var(--shadow-sm);
}

.article-body blockquote {
  margin: 32px 0;
  padding: 22px 28px 22px 30px;
  border-left: 4px solid var(--accent);
  background: #F5F2EA;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-2);
  font-style: italic;
  line-height: 1.8;
}

.article-body ul,
.article-body ol {
  margin: 20px 0 28px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 10px;
  line-height: 1.8;
}

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

.article-body a {
  color: var(--primary);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

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

/* ===== 文章尾部 ===== */
.article-footer {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding-top: 32px;
}

.article-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 999px;
  background: #EFE9DB;
  color: #8A6B3D;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
}

.tag:hover {
  background: var(--accent);
  color: #fff;
}

.article-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.pager-item {
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  background: #FDFCF9;
}

.pager-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  background: #fff;
  transform: translateY(-2px);
}

.pager-label {
  display: block;
  font-size: 12px;
  color: var(--text-2);
  margin-bottom: 8px;
  letter-spacing: 2px;
  font-weight: 500;
}

.pager-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.5;
  display: block;
}

.pager-link:hover {
  color: var(--accent-dark);
}

/* ===== 相关阅读 ===== */
.related-section {
  margin-top: 60px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: 28px;
  color: var(--text);
  position: relative;
  padding-left: 16px;
  font-weight: 800;
}

.section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 22px;
  background: var(--accent);
  border-radius: 2px;
}

.section-link {
  font-size: 14px;
  color: var(--text-2);
  font-weight: 500;
  transition: all var(--transition);
}

.section-link:hover {
  color: var(--accent-dark);
  transform: translateX(3px);
}

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

.related-card {
  display: flex;
  background: var(--card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid transparent;
  align-items: stretch;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(184, 146, 92, 0.35);
}

.related-thumb {
  width: 132px;
  flex-shrink: 0;
  overflow: hidden;
  background: #EFE9DB;
}

.related-thumb img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.related-info {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
}

.related-info h3 {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  transition: color var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.related-date {
  font-size: 12px;
  color: var(--text-2);
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ===== 空状态 ===== */
.not-found {
  text-align: center;
  padding: 60px 24px;
}

.not-found-icon {
  display: inline-flex;
  width: 68px;
  height: 68px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #EFE9DB;
  color: var(--accent);
  font-size: 30px;
  font-family: var(--font-serif);
  margin-bottom: 20px;
  border: 1px dashed rgba(184, 146, 92, 0.5);
}

.not-found h2 {
  font-size: 26px;
  margin-bottom: 12px;
  font-weight: 700;
}

.not-found p {
  color: var(--text-2);
  margin-bottom: 28px;
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 阅读进度条 ===== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  z-index: 999;
  width: 0;
  transition: width 0.1s linear;
}

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

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  max-width: 280px;
  margin-top: 12px;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.5px;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  color: #fff;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.6;
}

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

.footer-col a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.contact-info li {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.qrcode-placeholder {
  width: 104px;
  height: 104px;
  background: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-2);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.45);
}

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

/* ===== 淡入动画 ===== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1060px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .article-detail {
    padding: 48px 40px 40px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .header-inner {
    height: 64px;
    padding: 0 20px;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 20px;
    box-shadow: 0 20px 40px rgba(20, 43, 40, 0.12);
    transform: translateY(-140%);
    visibility: hidden;
    transition: transform 0.35s ease, visibility 0.35s;
    z-index: 99;
    border-bottom: 1px solid var(--border);
    gap: 2px;
  }

  .main-nav.open {
    transform: translateY(0);
    visibility: visible;
  }

  .main-nav a:not(.btn) {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    color: var(--text);
  }

  .main-nav a:not(.btn).active {
    background: rgba(184, 146, 92, 0.14);
    color: var(--accent-dark);
  }

  .header-cta .btn {
    display: none;
  }

  .nav-mobile-cta {
    display: flex;
    margin-top: 18px;
    justify-content: center;
    width: 100%;
    height: 48px;
  }

  .breadcrumb {
    padding: 16px 0 20px;
    font-size: 12px;
  }

  .breadcrumb .current {
    max-width: 220px;
  }

  .article-main {
    padding-bottom: 60px;
  }

  .article-detail {
    padding: 32px 22px 32px;
    border-radius: var(--radius-md);
  }

  .article-header h1 {
    font-size: 28px;
    line-height: 1.4;
    margin-bottom: 16px;
  }

  .article-meta {
    gap: 12px;
    font-size: 12px;
  }

  .article-body p {
    font-size: 15px;
    line-height: 1.85;
    margin-bottom: 24px;
  }

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

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

  .article-body blockquote {
    padding: 16px 18px 16px 20px;
  }

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

  .pager-item {
    padding: 16px 18px;
  }

  .related-section {
    margin-top: 40px;
  }

  .section-head {
    margin-bottom: 20px;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .related-thumb {
    width: 110px;
  }

  .related-info {
    padding: 14px 16px;
  }

  .footer {
    padding-top: 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 32px;
  }
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 20px;
  }

  .logo-mark {
    width: 32px;
    height: 32px;
  }

  .related-thumb {
    width: 96px;
  }

  .related-info h3 {
    font-size: 14px;
  }

  .article-header h1 {
    font-size: 25px;
  }
}

/* roulang page: category2 */
:root{
  --primary:#1F4E4A;
  --primary-dark:#142B28;
  --accent:#B8925C;
  --accent-light:#EFE9DB;
  --bg:#F5F2EA;
  --panel:#EDE8DC;
  --white:#FFFFFF;
  --text:#22302D;
  --text-secondary:#5A6764;
  --border:#E3DED3;
  --success:#4A7C6E;
  --error:#A65A4F;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --num:"DIN Alternate","Roboto Condensed",Arial,sans-serif;
  --radius:12px;
  --radius-sm:4px;
  --shadow:0 2px 8px rgba(20,43,40,0.06);
  --shadow-lg:0 20px 40px rgba(20,43,40,0.14);
  --container:1200px;
  --spacer:96px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:all .2s ease}
a:hover{color:var(--accent)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:var(--sans);font-size:16px}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.35;color:var(--text)}
.container{max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-head{margin-bottom:56px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--accent);font-size:14px;letter-spacing:3px;font-weight:500;margin-bottom:14px}
.section-head .eyebrow::before{content:"";width:28px;height:2px;background:var(--accent)}
.section-head h2{font-size:34px;font-weight:700}
.section-head p{color:var(--text-secondary);margin-top:12px;max-width:640px;font-size:15px}
@media(max-width:768px){
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:26px}
  .container{padding:0 20px}
}

/* Header */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:200;background:rgba(255,255,255,0.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:background .3s ease,box-shadow .3s ease}
.site-header.scrolled{background:var(--white);box-shadow:0 2px 12px rgba(20,43,40,0.06)}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 32px;height:76px;display:flex;align-items:center;gap:48px;transition:height .3s ease}
.site-header.scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{width:38px;height:38px;background:linear-gradient(135deg,var(--primary) 60%,var(--accent) 100%);border-radius:8px 8px 8px 2px;position:relative;flex-shrink:0}
.logo-mark::after{content:"";position:absolute;inset:7px;border:2px solid rgba(255,255,255,0.85);border-radius:4px 4px 4px 1px}
.logo-text{font-family:var(--serif);font-size:22px;font-weight:800;color:var(--text);letter-spacing:2px;line-height:1.1}
.logo-text span{color:var(--accent);font-weight:600;font-size:15px;margin-left:2px;letter-spacing:1px}
.main-nav{display:flex;align-items:center;gap:8px;margin-left:auto}
.main-nav a{font-size:16px;color:var(--text);padding:10px 16px;position:relative;font-weight:500;border-radius:var(--radius-sm);white-space:nowrap}
.main-nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.main-nav a:hover{color:var(--accent);background:var(--bg)}
.main-nav a.active{color:var(--primary)}
.main-nav a.active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 32px;border-radius:var(--radius-sm);font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .2s ease;white-space:nowrap}
.btn:focus{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--accent);color:var(--white)}
.btn-primary:hover{background:#A87F4B;color:var(--white);transform:translateY(2px)}
.btn-solid-green{background:var(--primary);color:var(--white)}
.btn-solid-green:hover{background:#1A413D;color:var(--white);transform:translateY(2px)}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,0.9);color:#fff}
.btn-outline-light:hover{background:var(--accent);border-color:var(--accent);color:var(--white)}
.btn-outline{border:1px solid var(--accent);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--accent);border-color:var(--accent);color:var(--white)}
.header-cta .btn{height:44px;padding:0 24px;font-size:15px}
.nav-toggle{display:none;width:44px;height:44px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;position:relative;flex-shrink:0}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:12px;right:12px;height:2px;background:var(--text);transition:all .3s ease}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
@media(max-width:1060px){
  .header-inner{gap:24px;padding:0 20px}
  .main-nav{display:none}
  .header-cta .btn{display:none}
  .nav-toggle{display:block}
  .header-cta{display:flex}
}

/* Mobile drawer */
.mobile-nav{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:var(--white);z-index:300;box-shadow:var(--shadow-lg);transition:right .3s ease;display:flex;flex-direction:column;padding:24px}
.mobile-nav.open{right:0}
.mobile-nav .drawer-top{display:flex;justify-content:flex-end;margin-bottom:32px}
.drawer-close{width:40px;height:40px;background:var(--bg);border:none;border-radius:var(--radius-sm);font-size:18px;cursor:pointer;color:var(--text)}
.mobile-nav a{display:block;font-family:var(--serif);font-size:20px;font-weight:600;padding:14px 8px;color:var(--text);border-bottom:1px solid var(--border)}
.mobile-nav a.active{color:var(--accent)}
.mobile-nav .drawer-cta{margin-top:auto;padding-top:24px}
.mobile-nav .drawer-cta .btn{width:100%;height:52px;font-size:17px}
.mobile-overlay{position:fixed;inset:0;background:rgba(20,43,40,0.5);z-index:250;opacity:0;visibility:hidden;transition:opacity .3s ease}
.mobile-overlay.open{opacity:1;visibility:visible}
@media(min-width:1061px){
  .mobile-nav,.mobile-overlay{display:none}
}

/* Page banner */
.page-banner{position:relative;min-height:420px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:120px 0 80px}
.page-banner .banner-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;z-index:0}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,43,40,0.88) 0%,rgba(20,43,40,0.65) 55%,rgba(20,43,40,0.35) 100%);z-index:1}
.banner-content{position:relative;z-index:2;max-width:800px;padding:0 20px}
.banner-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(184,146,92,0.18);border:1px solid rgba(184,146,92,0.5);color:#D8BC92;font-size:14px;letter-spacing:3px;padding:6px 18px;border-radius:999px;margin-bottom:22px;text-transform:uppercase}
.page-banner h1{font-family:var(--serif);font-size:52px;font-weight:800;color:#fff;letter-spacing:4px;margin-bottom:16px}
.page-banner .banner-sub{color:rgba(255,255,255,0.85);font-size:17px;line-height:1.7;max-width:560px;margin:0 auto}
@media(max-width:768px){
  .page-banner{min-height:340px;padding:100px 0 60px}
  .page-banner h1{font-size:30px}
  .page-banner .banner-sub{font-size:15px}
}

/* city-intro */
.city-intro{background:var(--bg)}
.intro-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:72px;align-items:center}
.intro-content .eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--accent);font-size:14px;letter-spacing:3px;font-weight:500;margin-bottom:16px}
.intro-content .eyebrow::before{content:"";width:28px;height:2px;background:var(--accent)}
.intro-content h2{font-size:32px;font-weight:700;margin-bottom:24px;line-height:1.4}
.intro-content p{color:var(--text-secondary);font-size:15px;line-height:1.85}
.intro-content p + p{margin-top:16px}
.intro-card{position:relative}
.intro-card img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.intro-card::after{content:"";position:absolute;right:-18px;bottom:-18px;width:140px;height:140px;background:var(--accent);border-radius:4px;z-index:-1}
.card-float{position:absolute;left:24px;bottom:24px;background:rgba(255,255,255,0.92);backdrop-filter:blur(8px);border-radius:8px;padding:16px 24px;display:flex;align-items:center;gap:20px;box-shadow:var(--shadow-lg)}
.card-float .num{font-family:var(--num);font-size:36px;font-weight:700;color:var(--accent);line-height:1;letter-spacing:1px}
.card-float .label{font-size:13px;color:var(--text-secondary);line-height:1.4}
@media(max-width:900px){
  .intro-grid{grid-template-columns:1fr;gap:48px}
  .intro-card img{height:320px}
}

/* feature steps */
.feature-steps{background:var(--white)}
.step-list{max-width:860px;margin:0 auto}
.step-item{display:flex;align-items:flex-start;gap:32px;padding:36px 28px;border-bottom:1px solid var(--border);transition:background .2s ease}
.step-item:last-child{border-bottom:none}
.step-item:hover{background:var(--bg)}
.step-item.highlight{background:var(--bg);border-left:2px solid var(--accent)}
.step-num{font-family:var(--num);font-size:42px;font-weight:700;color:var(--accent);line-height:1;letter-spacing:1px;min-width:80px}
.step-body{flex:1}
.step-body h3{font-family:var(--sans);font-size:22px;font-weight:600;margin-bottom:8px}
.step-body p{color:var(--text-secondary);font-size:15px;max-width:560px}
.step-tag{flex-shrink:0;align-self:center}
.step-tag span{display:inline-block;padding:6px 16px;border-radius:999px;font-size:13px;background:var(--accent-light);color:#8A6B3D;font-weight:500}
.step-tag span.tag-deep{background:var(--primary);color:#fff}
.step-tag span.tag-mid{background:#DCC9A6;color:#5C4526}
@media(max-width:768px){
  .step-item{flex-wrap:wrap;gap:12px 16px;padding:28px 16px}
  .step-num{font-size:34px;min-width:60px}
  .step-body h3{font-size:19px}
  .step-tag{width:100%;padding-left:0}
}

/* office cards */
.office-section{background:var(--panel)}
.office-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.office-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column}
.office-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.office-card.wide{grid-column:span 2;grid-row:span 1}
.office-card .card-media{position:relative;overflow:hidden;aspect-ratio:4/3}
.office-card.wide .card-media{aspect-ratio:16/9}
.office-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.office-card:hover .card-media img{transform:scale(1.03)}
.office-card .card-tag{position:absolute;top:16px;left:16px;background:rgba(20,43,40,0.82);color:#fff;font-size:13px;padding:5px 14px;border-radius:999px;backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,0.15)}
.office-card .card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.office-card .card-body h3{font-family:var(--sans);font-size:19px;font-weight:600;margin-bottom:10px}
.office-card .card-body p{font-size:14px;color:var(--text-secondary);line-height:1.7;flex:1;margin-bottom:20px}
.card-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:15px;font-weight:500}
.card-link i{font-style:normal;transition:transform .2s ease}
.card-link:hover{color:var(--accent)}
.card-link:hover i{transform:translateX(4px)}
@media(max-width:1060px){
  .office-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .office-grid{grid-template-columns:1fr}
  .office-card.wide{grid-column:span 1}
}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:8px;margin-bottom:16px;overflow:hidden;transition:box-shadow .2s ease}
.faq-item.active{box-shadow:var(--shadow)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;background:transparent;border:none;padding:20px 28px;font-size:16px;font-weight:600;color:var(--text);text-align:left;cursor:pointer;line-height:1.5}
.faq-q .arrow{flex-shrink:0;width:20px;height:20px;transition:transform .3s ease;color:var(--accent)}
.faq-item.active .arrow{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;padding:0 28px;transition:max-height .35s ease,padding .35s ease;color:var(--text-secondary);font-size:15px;line-height:1.8}
.faq-item.active .faq-a{max-height:320px;padding:0 28px 24px}
@media(max-width:768px){
  .faq-q{padding:16px 20px;font-size:15px}
  .faq-a{padding:0 20px}
  .faq-item.active .faq-a{padding:0 20px 20px}
}

/* CTA strip */
.cta-strip{background:var(--primary-dark);padding:72px 0;position:relative;overflow:hidden}
.cta-strip::before{content:"";position:absolute;top:-60%;right:-10%;width:420px;height:420px;background:linear-gradient(120deg,transparent 42%,rgba(184,146,92,0.24) 54%,transparent 66%);transform:rotate(18deg);pointer-events:none}
.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:48px;position:relative;z-index:2}
.cta-text h2{color:#fff;font-size:30px;font-weight:700;margin-bottom:10px}
.cta-text p{color:rgba(255,255,255,0.72);font-size:15px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap}
@media(max-width:768px){
  .cta-grid{flex-direction:column;text-align:center}
  .cta-actions{justify-content:center}
}

/* contact form */
.contact-section{background:var(--white)}
.contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:64px}
.contact-info h2{font-size:32px;margin-bottom:20px}
.contact-info p{color:var(--text-secondary);font-size:15px;margin-bottom:28px}
.contact-meta{display:flex;flex-direction:column;gap:18px}
.contact-meta li{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--text)}
.contact-meta .icon{width:40px;height:40px;background:var(--bg);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.contact-meta small{display:block;font-size:13px;color:var(--text-secondary)}
.form-card{background:var(--bg);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.form-group{margin-bottom:24px}
.form-group label{display:block;font-size:14px;color:var(--text);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;height:46px;background:transparent;border:none;border-bottom:1px solid var(--border);padding:0;font-size:15px;color:var(--text);transition:border-color .2s ease,background .2s ease;border-radius:0}
.form-group textarea{height:auto;padding-top:8px;resize:vertical;min-height:90px;line-height:1.6}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
.form-group .error-msg{color:var(--error);font-size:13px;margin-top:4px;display:none}
.form-submit .btn{width:100%}
@media(max-width:900px){
  .contact-grid{grid-template-columns:1fr;gap:48px}
}

/* footer */
.footer{background:var(--primary-dark);color:rgba(255,255,255,0.8);padding:72px 0 0;position:relative}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1fr;gap:48px;padding-bottom:56px}
.footer-brand .footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .footer-logo .logo-mark{width:32px;height:32px;border-radius:6px 6px 6px 2px}
.footer-logo .logo-mark::after{inset:6px;border-width:1.5px}
.footer-logo{font-family:var(--serif);font-size:22px;font-weight:800;color:#fff;letter-spacing:3px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,0.6);margin-bottom:20px;max-width:300px}
.footer-col h4{color:#fff;font-family:var(--sans);font-size:16px;font-weight:600;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(255,255,255,0.6);font-size:14px;transition:color .2s ease,padding-left .2s ease}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.contact-info li{font-size:14px;color:rgba(255,255,255,0.6);display:flex;align-items:flex-start;gap:8px}
.qrcode-placeholder{width:120px;height:120px;background:var(--white);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:13px;border:1px dashed var(--border)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:24px 0;text-align:center}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,0.4)}
.footer-bottom a{color:rgba(255,255,255,0.4);text-decoration:underline}
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr}
}

/* reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
/* ================= 商务办公专属补充样式 ================= */
/* 场景/配套 */
.scene-section{background:var(--white)}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.scene-card{display:flex;gap:24px;background:var(--bg);border-radius:var(--radius);padding:32px;align-items:flex-start;transition:box-shadow .2s ease;border:1px solid transparent}
.scene-card:hover{box-shadow:var(--shadow);border-color:var(--border)}
.scene-icon{width:56px;height:56px;background:var(--primary);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;color:var(--accent)}
.scene-card h3{font-family:var(--sans);font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--text-secondary);line-height:1.75}
@media(max-width:768px){
  .scene-grid{grid-template-columns:1fr}
  .scene-card{flex-direction:column;gap:14px;padding:24px}
}
/* 数据指标条 */
.metrics-bar{background:var(--primary);padding:64px 0;margin:0}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center}
.metrics-grid .num{font-family:var(--num);font-size:48px;font-weight:700;color:#fff;line-height:1;display:block;margin-bottom:8px}
.metrics-grid .num em{font-style:normal;color:var(--accent);font-size:28px;margin-left:4px}
.metrics-grid .label{font-size:14px;color:rgba(255,255,255,0.65)}
@media(max-width:768px){
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .metrics-grid .num{font-size:36px}
}
/* 流程卡简约 */
.flow-strip{background:var(--bg);padding:0 0 96px}
.flow-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-card{background:var(--white);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);position:relative}
.flow-card .step-no{font-family:var(--num);font-size:34px;font-weight:700;color:var(--accent);opacity:.6;line-height:1;margin-bottom:14px}
.flow-card h3{font-family:var(--sans);font-size:17px;font-weight:600;margin-bottom:8px}
.flow-card p{font-size:14px;color:var(--text-secondary);font-size:13px}
@media(max-width:900px){
  .flow-cards{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .flow-cards{grid-template-columns:1fr}
}

/* roulang page: category3 */
/* ===== Design Variables ===== */
:root {
  --primary: #1F4E4A;
  --primary-light: #28665F;
  --primary-dark: #173A37;
  --accent: #B8925C;
  --accent-light: #D1B087;
  --accent-dark: #9A7949;
  --bg: #F5F2EA;
  --bg-deep: #EDE8DC;
  --dark: #142B28;
  --card: #FFFFFF;
  --text: #22302D;
  --text-secondary: #5A6764;
  --border: #E3DED3;
  --success: #4A7C6E;
  --error: #A65A4F;
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(20, 43, 40, 0.06);
  --shadow-md: 0 20px 40px rgba(20, 43, 40, 0.14);
  --shadow-lg: 0 24px 48px rgba(20, 43, 40, 0.18);
  --transition: 0.2s ease;
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", SimSun, serif;
  --font-sans: "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-num: "DIN Alternate", "Roboto Condensed", "Oswald", sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 700; line-height: 1.3; color: var(--text); }
::selection { background: rgba(184, 146, 92, 0.25); }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(245, 242, 234, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: all var(--transition);
  border-bottom: 1px solid rgba(184, 146, 92, 0.12);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 12px rgba(20, 43, 40, 0.06);
}
.header-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 32px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: height var(--transition);
}
.site-header.scrolled .header-inner { height: 60px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark {
  width: 36px; height: 36px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  position: relative;
  display: inline-block;
  flex-shrink: 0;
}
.logo-mark::before {
  content: "";
  position: absolute;
  top: 8px; left: 8px; right: 8px; bottom: 8px;
  border: 2px solid var(--accent);
  border-radius: 2px;
}
.logo-mark::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 10px; height: 10px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 2px;
}
.logo-text span { color: var(--accent); font-weight: 400; }
.main-nav { display: flex; align-items: center; gap: 40px; }
.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 2px;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition);
}
.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 2px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after { width: 100%; }
.main-nav a.active { color: var(--primary); font-weight: 600; }
.main-nav a.active::after { width: 100%; background: var(--accent); }
.header-cta { display: flex; align-items: center; gap: 16px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  gap: 8px;
  border: 1px solid transparent;
}
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(184, 146, 92, 0.35);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.7);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-outline-gold {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--accent);
}
.btn-outline-gold:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(31, 78, 74, 0.3);
}
.btn-disabled { opacity: 0.4; cursor: not-allowed; }
.btn-disabled:hover { transform: none; box-shadow: none; }

/* ===== Nav Toggle ===== */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  position: relative;
  cursor: pointer;
  z-index: 1101;
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 24px; height: 2px;
  background: var(--primary);
  transition: all 0.3s ease;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 24px; height: 2px;
  background: var(--primary);
  transition: all 0.3s ease;
}
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { transform: rotate(45deg); top: 0; }
.nav-toggle.open span::after { transform: rotate(-45deg); top: 0; }

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 160px 0 88px;
  background: linear-gradient(120deg, var(--dark) 0%, var(--primary) 100%);
  overflow: hidden;
  min-height: 380px;
  display: flex;
  align-items: center;
}
.page-hero .hero-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.45;
}
.timeline-hero-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(120deg, rgba(20,43,40,0.92) 0%, rgba(20,43,40,0.78) 50%, rgba(31,78,74,0.55) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
}
.hero-crumb {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.hero-crumb a { color: rgba(255, 255, 255, 0.65); }
.hero-crumb a:hover { color: var(--accent); }
.hero-crumb .sep { margin: 0 8px; opacity: 0.5; }
.page-hero h1 {
  font-size: 48px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 4px;
}
.hero-line {
  width: 48px; height: 3px;
  background: var(--accent);
  margin-bottom: 20px;
  border-radius: 2px;
}
.page-hero .hero-desc {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 660px;
  line-height: 1.8;
}

/* ===== Section Common ===== */
.section { padding: 96px 0; }
.section-alt { background: var(--card); }
.section-head { margin-bottom: 48px; }
.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.section-head .sub { color: var(--text-secondary); font-size: 15px; }
.section-head .num {
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 3px;
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

/* ===== Service Overview ===== */
.service-overview { background: var(--bg); }
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.overview-copy h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: 2px;
}
.overview-copy .lead {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.9;
}
.overview-points { margin: 24px 0 0; }
.overview-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--text);
}
.overview-points li:last-child { border-bottom: none; }
.point-icon {
  width: 24px; height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(184, 146, 92, 0.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  margin-top: 4px;
}
.overview-visual { position: relative; }
.overview-visual .img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.overview-visual .img-wrap img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.overview-visual:hover .img-wrap img { transform: scale(1.03); }
.overview-badge {
  position: absolute;
  right: -20px;
  bottom: 32px;
  background: var(--dark);
  border: 1px solid rgba(184, 146, 92, 0.5);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-md);
}
.overview-badge strong {
  font-family: var(--font-num);
  font-size: 28px;
  color: var(--accent);
  display: block;
  line-height: 1.2;
}
.overview-badge span { font-size: 13px; color: rgba(255, 255, 255, 0.7); }

/* ===== Service Cards ===== */
.service-cards { background: var(--bg-deep); }
.cards-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
}
.cards-grid .card-item { background: var(--card); border-radius: var(--radius-md); padding: 36px 32px; box-shadow: var(--shadow-sm); transition: all var(--transition); border: 1px solid transparent; }
.cards-grid .card-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: rgba(184, 146, 92, 0.25); }
.card-item .card-icon {
  width: 52px; height: 52px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 22px;
  margin-bottom: 20px;
  font-family: var(--font-serif);
  font-weight: 700;
  position: relative;
}
.card-item .card-icon::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(184, 146, 92, 0.5);
  border-radius: 2px;
}
.card-item h3 {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.card-item .card-num {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 2px;
  display: block;
  margin-bottom: 8px;
}
.card-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }
.card-item.featured {
  background: var(--primary);
  color: #fff;
  border: none;
}
.card-item.featured h3 { color: #fff; }
.card-item.featured p { color: rgba(255, 255, 255, 0.75); }
.card-item.featured .card-icon { background: rgba(255, 255, 255, 0.12); color: var(--accent); }

/* ===== Service Detail ===== */
.service-detail { background: var(--card); }
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}
.detail-visual .img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.detail-visual .img-wrap img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.detail-visual:hover .img-wrap img { transform: scale(1.03); }
.detail-copy h2 { font-size: 32px; font-weight: 800; margin-bottom: 20px; letter-spacing: 2px; }
.detail-copy p { color: var(--text-secondary); margin-bottom: 24px; }
.detail-list { margin-top: 8px; }
.detail-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--text);
}
.detail-list li:last-child { border-bottom: none; }
.detail-list li::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== Timeline ===== */
.timeline-section { background: var(--bg); }
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 0 20px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--accent) 20%, var(--accent) 80%, transparent);
  transform: translateX(-50%);
}
.timeline-item {
  position: relative;
  width: 50%;
  padding: 32px 48px 32px 0;
  text-align: right;
}
.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding: 32px 0 32px 48px;
  text-align: left;
}
.timeline-node {
  position: absolute;
  top: 40px;
  right: -8px;
  width: 16px; height: 16px;
  background: var(--accent);
  transform: rotate(45deg);
  border-radius: 2px;
  box-shadow: 0 0 0 4px rgba(184, 146, 92, 0.2);
  z-index: 2;
}
.timeline-item:nth-child(even) .timeline-node {
  right: auto;
  left: -8px;
}
.timeline-card {
  display: inline-block;
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  text-align: left;
  max-width: 340px;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}
.timeline-item:nth-child(odd) .timeline-card { border-left-color: var(--accent); }
.timeline-item:nth-child(even) .timeline-card { border-left-color: var(--primary); }
.timeline-card:hover { box-shadow: var(--shadow-md); }
.timeline-card .step-num {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 2px;
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}
.timeline-card h4 {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.timeline-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; }

/* ===== Resource Banner ===== */
.resource-banner {
  position: relative;
  background: linear-gradient(120deg, var(--dark), var(--primary));
  padding: 80px 0;
  overflow: hidden;
}
.resource-banner .banner-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.resource-banner .banner-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(90deg, rgba(20,43,40,0.92), rgba(20,43,40,0.55));
}
.resource-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.resource-copy h2 {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: 2px;
}
.resource-copy p { color: rgba(255,255,255,0.8); font-size: 15px; max-width: 520px; }
.resource-cta { flex-shrink: 0; }

/* ===== FAQ ===== */
.faq-section { background: var(--card); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  background: var(--bg);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: rgba(184, 146, 92, 0.4); }
.faq-item.open { border-color: rgba(184, 146, 92, 0.5); box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  gap: 16px;
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-arrow {
  flex-shrink: 0;
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(184, 146, 92, 0.15);
  color: var(--accent);
  transition: all 0.3s ease;
}
.faq-arrow svg { transition: transform 0.3s ease; }
.faq-item.open .faq-arrow { background: var(--accent); color: #fff; }
.faq-item.open .faq-arrow svg { transform: rotate(90deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.85;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: var(--dark);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -60px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(184,146,92,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner {
  text-align: center;
  position: relative;
  z-index: 2;
}
.cta-inner h2 {
  font-size: 36px;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 3px;
}
.cta-inner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 2px;
}
.footer-logo .logo-mark { width: 32px; height: 32px; }
.footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.55); max-width: 300px; }
.footer-col h4 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  position: relative;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: -1px; left: 0;
  width: 32px; height: 2px;
  background: var(--accent);
}
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col ul li a { color: rgba(255, 255, 255, 0.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-col .contact-info li {
  padding-left: 24px;
  position: relative;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.6;
}
.footer-col .contact-info li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.qrcode-placeholder {
  width: 120px; height: 120px;
  background: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 4px;
  position: relative;
}
.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 0;
  line-height: 1.6;
}
.footer-bottom a { color: rgba(255, 255, 255, 0.4); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Mobile Menu ===== */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0; right: 0;
  width: 300px;
  height: 100vh;
  background: var(--dark);
  z-index: 1100;
  padding: 80px 32px 40px;
  transform: translateX(100%);
  transition: transform 0.35s ease;
  flex-direction: column;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer .drawer-link {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: block;
  transition: color var(--transition);
}
.mobile-drawer .drawer-link:hover, .mobile-drawer .drawer-link.active { color: var(--accent); }
.drawer-cta {
  margin-top: 24px;
  width: 100%;
  text-align: center;
  background: var(--accent);
  color: #fff;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  gap: 8px;
}
.drawer-cta:hover { background: var(--accent-dark); }

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1060px) {
  .main-nav { gap: 24px; }
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .cards-grid .card-item.featured { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .overview-grid, .detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .overview-visual { margin-top: 8px; }
}

@media (max-width: 768px) {
  .header-inner { padding: 0 20px; height: 64px; }
  .main-nav { display: none; }
  .nav-toggle { display: block; }
  .header-cta .btn { display: none; }
  .mobile-drawer { display: flex; }
  .page-hero { padding: 110px 0 56px; min-height: 320px; }
  .page-hero h1 { font-size: 34px; }
  .section { padding: 56px 0; }
  .container { padding: 0 20px; }
  .cards-grid { grid-template-columns: 1fr; }
  .cards-grid .card-item.featured { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .timeline::before { left: 8px; }
  .timeline-item, .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding: 24px 0 24px 42px;
    text-align: left;
  }
  .timeline-node, .timeline-item:nth-child(even) .timeline-node {
    left: 0; right: auto;
    top: 36px;
  }
  .timeline-card { max-width: 100%; }
  .resource-inner { flex-direction: column; align-items: flex-start; }
  .resource-copy h2 { font-size: 24px; }
  .cta-inner h2 { font-size: 26px; }
  .overview-visual .img-wrap img, .detail-visual .img-wrap img { height: 280px; }
  .overview-badge { right: 0; bottom: 16px; padding: 12px 16px; }
  .footer-logo { font-size: 18px; }
}

@media (max-width: 520px) {
  .header-inner { padding: 0 16px; }
  .page-hero h1 { font-size: 30px; letter-spacing: 2px; }
  .section-head h2 { font-size: 26px; }
  .btn { padding: 0 20px; height: 44px; font-size: 14px; }
  .cards-grid { gap: 16px; }
  .timeline-card { padding: 20px; }
  .footer-grid { gap: 24px; }
}