/* roulang page: index */
:root {
  --primary: #2c5f3e;
  --primary-dark: #1e3d28;
  --primary-light: #4a8a63;
  --secondary: #c9a15a;
  --secondary-light: #e5cc8a;
  --bg: #faf7f2;
  --bg-gray: #f2efe9;
  --bg-dark: #1e2d23;
  --text: #2a2a28;
  --text-light: #6d6a64;
  --text-muted: #8f8c86;
  --border: #e5e0d8;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.05);
  --shadow: 0 6px 28px rgba(0,0,0,0.07);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --transition: all .3s ease;
  --font-serif: Georgia, "Songti SC", "SimSun", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-sans); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button, input, select, textarea { font: inherit; color: inherit; border: none; outline: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.4; color: var(--text); }

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

/* ===== Header ===== */
.site-header { background: #fff; border-bottom: 1px solid var(--border); }
.masthead { max-width: 1200px; margin: 0 auto; padding: 18px 24px 14px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.masthead-brand { font-family: var(--font-serif); font-size: 26px; font-weight: 700; letter-spacing: 1px; color: var(--primary-dark); line-height: 1.2; }
.masthead-brand a { display: flex; align-items: baseline; gap: 8px; }
.masthead-brand .small { font-size: 14px; color: var(--secondary); font-weight: 400; letter-spacing: 2px; }
.masthead-meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-muted); letter-spacing: 1px; }
.masthead-meta span { display: inline-flex; align-items: center; gap: 6px; }
.main-nav-wrap { border-top: 1px solid var(--border); background: #fff; }
.main-nav { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; min-height: 48px; }
.nav-links { display: flex; align-items: center; gap: 8px; overflow-x: auto; }
.nav-links a { padding: 10px 16px; font-size: 14px; color: var(--text); border-bottom: 2px solid transparent; white-space: nowrap; }
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.nav-cta { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; background: var(--primary); color: #fff !important; border-radius: 999px; font-size: 13px !important; font-weight: 500; border: none !important; }
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(44,95,62,0.3); }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 8px; font-size: 18px; color: var(--text); cursor: pointer; position: relative; }
.nav-toggle i { pointer-events: none; }

/* ===== Hero ===== */
.hero { position: relative; padding: 72px 0 80px; background-image: linear-gradient(135deg, rgba(30,45,35,0.92) 0%, rgba(44,95,62,0.85) 60%, rgba(30,45,35,0.88) 100%), url('/assets/images/backpic/back-1.jpg'); background-size: cover; background-position: center; color: #fff; }
.hero .container { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border: 1px solid rgba(255,255,255,0.35); border-radius: 999px; font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.9); margin-bottom: 20px; }
.hero-eyebrow i { color: var(--secondary-light); }
.hero-title { font-family: var(--font-serif); font-size: clamp(30px, 4.2vw, 46px); font-weight: 700; line-height: 1.3; color: #fff; margin-bottom: 18px; }
.hero-desc { font-size: 17px; line-height: 1.8; color: rgba(255,255,255,0.85); max-width: 480px; margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 28px; border-radius: 999px; font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition); letter-spacing: 0.5px; }
.btn-primary { background: var(--secondary); color: var(--primary-dark); box-shadow: 0 4px 16px rgba(201,161,90,0.3); }
.btn-primary:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,161,90,0.4); }
.btn-outline-light { border: 1px solid rgba(255,255,255,0.5); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 0; }
.hero-stat { flex: 1; min-width: 110px; padding-right: 24px; border-right: 1px solid rgba(255,255,255,0.2); margin-right: 24px; }
.hero-stat:last-child { border-right: none; margin-right: 0; }
.hero-stat .num { font-family: var(--font-serif); font-size: 30px; font-weight: 700; color: var(--secondary-light); display: block; line-height: 1.2; }
.hero-stat .label { font-size: 12px; color: rgba(255,255,255,0.7); letter-spacing: 1px; margin-top: 4px; display: block; }
.hero-card { background: rgba(255,255,255,0.12); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius); padding: 28px; }
.hero-card-title { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.hero-card-title i { color: var(--secondary-light); }
.hero-times { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.hero-time-item { display: flex; justify-content: space-between; align-items: center; background: rgba(255,255,255,0.1); border-radius: var(--radius-sm); padding: 10px 14px; color: rgba(255,255,255,0.9); font-size: 13px; transition: var(--transition); }
.hero-time-item:hover { background: rgba(255,255,255,0.18); }
.hero-time-item .badge { background: var(--secondary); color: var(--primary-dark); font-size: 11px; font-weight: 700; padding: 2px 10px; border-radius: 999px; }
.hero-card-btn { display: block; width: 100%; text-align: center; padding: 12px 16px; background: var(--secondary); color: var(--primary-dark); border-radius: 999px; font-weight: 600; font-size: 14px; }
.hero-card-btn:hover { background: var(--secondary-light); transform: translateY(-1px); }

/* ===== Section spacing ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-gray); }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-eyebrow { display: inline-block; font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: var(--secondary); font-weight: 700; margin-bottom: 10px; }
.section-title { font-family: var(--font-serif); font-size: clamp(24px, 3vw, 32px); font-weight: 700; line-height: 1.4; margin-bottom: 12px; }
.section-desc { font-size: 15px; color: var(--text-light); line-height: 1.8; }
.section-dark .section-title { color: #fff; }
.section-dark .section-desc { color: rgba(255,255,255,0.75); }

/* ===== Guide steps ===== */
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; position: relative; }
.guide-step { position: relative; background: #fff; border-radius: var(--radius); padding: 36px 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition); }
.guide-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(44,95,62,0.25); }
.guide-number { font-family: var(--font-serif); font-size: 56px; font-weight: 700; color: transparent; -webkit-text-stroke: 1px rgba(44,95,62,0.3); line-height: 1; margin-bottom: 16px; display: block; }
.guide-step h3 { font-size: 18px; margin-bottom: 10px; }
.guide-step p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.guide-icon { width: 48px; height: 48px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: rgba(44,95,62,0.1); color: var(--primary); font-size: 20px; margin-bottom: 18px; }

/* ===== Service cards ===== */
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.service-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-img { height: 160px; overflow: hidden; }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover .service-img img { transform: scale(1.05); }
.service-body { padding: 24px; }
.service-body h3 { font-size: 17px; margin-bottom: 8px; }
.service-body p { font-size: 13.5px; color: var(--text-light); margin-bottom: 16px; line-height: 1.7; }
.service-meta { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-muted); }
.service-meta .price { font-family: var(--font-serif); color: var(--primary); font-weight: 700; font-size: 16px; }
.service-link { font-size: 13px; color: var(--primary); font-weight: 500; }

/* ===== About ===== */
.about-block { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); position: relative; }
.about-img img { width: 100%; height: 440px; object-fit: cover; }
.about-img .about-badge { position: absolute; bottom: 20px; left: 20px; background: rgba(255,255,255,0.95); padding: 12px 20px; border-radius: var(--radius-sm); box-shadow: var(--shadow); font-size: 13px; color: var(--primary-dark); font-weight: 600; display: flex; align-items: center; gap: 10px; }
.about-content h3 { font-family: var(--font-serif); font-size: 26px; margin-bottom: 12px; }
.about-content p { font-size: 15px; line-height: 1.9; color: var(--text-light); margin-bottom: 18px; }
.about-points { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.about-point { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; color: var(--text); }
.about-point i { color: var(--secondary); font-size: 18px; margin-top: 2px; flex-shrink: 0; }

/* ===== Timeline ===== */
.timeline { max-width: 800px; margin: 0 auto; position: relative; padding: 20px 0; }
.timeline::before { content: ''; position: absolute; left: 28px; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--secondary), var(--primary), transparent); }
.timeline-item { position: relative; padding-left: 72px; margin-bottom: 28px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot { position: absolute; left: 18px; top: 8px; width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 4px solid var(--secondary); box-shadow: 0 0 0 4px rgba(201,161,90,0.2); z-index: 1; }
.timeline-time { font-family: var(--font-serif); font-size: 16px; font-weight: 700; color: var(--primary); display: block; margin-bottom: 4px; }
.timeline-card { background: #fff; border-radius: var(--radius-sm); padding: 18px 22px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.timeline-card h4 { font-size: 15px; margin-bottom: 4px; }
.timeline-card p { font-size: 13.5px; color: var(--text-light); }

/* ===== Testimonials ===== */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: #fff; border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); display: flex; flex-direction: column; gap: 14px; }
.testimonial-card .stars { color: var(--secondary); font-size: 14px; }
.testimonial-card blockquote { font-size: 14px; line-height: 1.8; color: var(--text); font-style: normal; flex: 1; }
.testimonial-author { display: flex; align-items: center; gap: 12px; padding-top: 14px; border-top: 1px solid var(--border); }
.testimonial-avatar { width: 40px; height: 40px; border-radius: 50%; background: rgba(44,95,62,0.15); color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; }
.testimonial-author .name { font-size: 13.5px; font-weight: 600; }
.testimonial-author .role { font-size: 12px; color: var(--text-muted); }

/* ===== News / Info ===== */
.news-block { display: grid; grid-template-columns: 1fr 360px; gap: 48px; }
.news-list { display: flex; flex-direction: column; }
.news-item { display: flex; align-items: center; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border); transition: var(--transition); }
.news-item:hover { padding-left: 10px; }
.news-date { flex-shrink: 0; width: 70px; height: 70px; background: var(--bg-gray); border-radius: var(--radius-sm); display: flex; flex-direction: column; align-items: center; justify-content: center; font-family: var(--font-serif); }
.news-date .day { font-size: 24px; font-weight: 700; color: var(--primary); line-height: 1; }
.news-date .month { font-size: 12px; color: var(--text-muted); }
.news-content h3 { font-size: 16px; line-height: 1.5; color: var(--text); font-weight: 600; transition: var(--transition); }
.news-content h3:hover { color: var(--primary); }
.news-content p { font-size: 13px; color: var(--text-light); margin-top: 4px; line-height: 1.6; }
.news-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--primary); background: rgba(44,95,62,0.08); padding: 2px 10px; border-radius: 999px; margin-top: 6px; }
.sidebar-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-sm); padding: 24px; margin-bottom: 24px; }
.sidebar-card h4 { font-size: 15px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--secondary); display: flex; align-items: center; gap: 8px; }
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.sidebar-tags a { font-size: 13px; padding: 4px 14px; background: var(--bg-gray); border-radius: 999px; transition: var(--transition); }
.sidebar-tags a:hover { background: var(--primary); color: #fff; }
.sidebar-reserve { text-align: center; }
.sidebar-reserve .icon-circle { width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 50%; background: rgba(201,161,90,0.15); color: var(--secondary); display: flex; align-items: center; justify-content: center; font-size: 24px; }
.sidebar-reserve p { font-size: 14px; color: var(--text-light); margin-bottom: 18px; }

/* ===== Comparison ===== */
.compare-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th, .compare-table td { padding: 18px 20px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border); }
.compare-table thead th { background: var(--bg-dark); color: #fff; font-weight: 600; font-size: 15px; }
.compare-table thead th:first-child { width: 28%; }
.compare-table thead th:last-child { background: var(--primary); }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody td:last-child { background: rgba(44,95,62,0.03); }
.compare-table .fa-check { color: var(--primary); font-size: 15px; }
.compare-table .fa-xmark { color: var(--text-muted); font-size: 15px; }
.compare-cta { background: #fff; padding: 32px; text-align: center; border-top: 1px solid var(--border); }
.compare-cta p { font-size: 14px; color: var(--text-light); margin-bottom: 16px; }
.compare-cta .btn { background: var(--primary); color: #fff; }
.compare-cta .btn:hover { background: var(--primary-dark); }

/* ===== FAQ ===== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(44,95,62,0.3); box-shadow: var(--shadow-sm); }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 22px 26px; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--text); gap: 16px; }
.faq-question i { color: var(--primary); font-size: 16px; transition: transform .3s ease; flex-shrink: 0; }
.faq-answer { max-height: 0; overflow: hidden; padding: 0 26px; transition: max-height .35s ease, padding .35s ease; }
.faq-item.open .faq-answer { max-height: 400px; padding: 0 26px 22px; }
.faq-item.open .faq-question i { transform: rotate(45deg); }
.faq-answer p { font-size: 14px; color: var(--text-light); line-height: 1.8; }

/* ===== CTA ===== */
.cta-section { position: relative; padding: 96px 0; background-image: linear-gradient(135deg, rgba(30,45,35,0.93) 0%, rgba(44,95,62,0.88) 100%), url('/assets/images/backpic/back-2.jpg'); background-size: cover; background-position: center; color: #fff; text-align: center; }
.cta-title { font-family: var(--font-serif); font-size: clamp(26px, 3.4vw, 36px); color: #fff; margin-bottom: 14px; }
.cta-desc { font-size: 15px; color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 32px; line-height: 1.8; }
.cta-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-note { margin-top: 20px; font-size: 13px; color: rgba(255,255,255,0.6); }

/* ===== Footer ===== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.6); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand { font-family: var(--font-serif); font-size: 22px; color: #fff; margin-bottom: 10px; }
.footer-desc { font-size: 13.5px; line-height: 1.8; color: rgba(255,255,255,0.55); max-width: 340px; }
.footer-col h4 { font-size: 14px; color: #fff; margin-bottom: 16px; font-weight: 600; }
.footer-col a { display: block; font-size: 13.5px; color: rgba(255,255,255,0.55); padding: 5px 0; }
.footer-col a:hover { color: var(--secondary-light); }
.footer-contact { margin-top: 12px; font-size: 13px; color: rgba(255,255,255,0.45); display: flex; flex-direction: column; gap: 6px; }
.footer-contact i { color: var(--secondary); width: 18px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 12.5px; color: rgba(255,255,255,0.35); }
.footer-bottom .domain { color: rgba(255,255,255,0.25); }

/* ===== Mobile nav ===== */
@media screen and (max-width: 768px) {
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); padding: 12px 24px; z-index: 100; gap: 4px; max-height: calc(100vh - 120px); overflow-y: auto; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 8px; border-bottom: 1px solid var(--border); font-size: 15px; }
  .nav-links a.active { border-bottom-color: var(--primary); }
  .nav-links .nav-cta { text-align: center; border-radius: 999px; padding: 10px 20px; }
  .main-nav { position: relative; min-height: 48px; }
  .nav-cta-mobile { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; background: var(--primary); color: #fff; border-radius: 999px; font-size: 13px; font-weight: 500; }
  
  .masthead { padding: 14px 24px 12px; }
  .masthead-brand { font-size: 21px; }
  .masthead-brand .small { font-size: 12px; }
  .masthead-meta { display: none; }
  
  .hero { padding: 56px 0 64px; }
  .hero .container { grid-template-columns: 1fr; gap: 36px; }
  .hero-title { font-size: 28px; }
  .hero-desc { font-size: 15px; }
  
  .guide-grid, .testimonial-grid { grid-template-columns: 1fr; }
  .about-block { grid-template-columns: 1fr; gap: 32px; }
  .news-block { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 56px 0; }
  .cta-section { padding: 64px 0; }
}

@media screen and (max-width: 520px) {
  .hero-stat .num { font-size: 24px; }
  .hero-stat { min-width: 80px; padding-right: 12px; margin-right: 12px; }
  .hero-actions .btn { padding: 11px 20px; font-size: 13.5px; }
  .service-grid { grid-template-columns: 1fr; }
  .compare-table th, .compare-table td { padding: 12px 12px; font-size: 13px; }
  .timeline-item { padding-left: 56px; }
  .timeline::before { left: 20px; }
  .timeline-dot { left: 10px; width: 20px; height: 20px; }
  .news-item { flex-direction: row; gap: 14px; }
  .news-content h3 { font-size: 14.5px; }
}

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }