/* roulang page: index */
:root {
  --primary: #0F7A68;
  --primary-dark: #0A5D4E;
  --primary-light: #E7F3F0;
  --secondary: #C9A04C;
  --secondary-dark: #A98436;
  --secondary-light: #F8F0DF;
  --bg: #F6F5F2;
  --surface: #FFFFFF;
  --dark: #16251F;
  --text-primary: #1E2D27;
  --text-secondary: #607069;
  --text-muted: #8A9590;
  --border: #E6E2D9;
  --success: #2E9E6B;
  --warning: #D85A3D;
  --info: #3B82A4;
  --error: #C93A3A;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 3px rgba(22,37,31,.05), 0 6px 16px rgba(22,37,31,.04);
  --shadow-hover: 0 4px 8px rgba(22,37,31,.06), 0 14px 32px rgba(22,37,31,.10);
  --shadow-nav: 0 1px 0 rgba(22,37,31,.05), 0 2px 12px rgba(22,37,31,.04);
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: Inter, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-cn); background: var(--bg); color: var(--text-primary); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

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

/* Header & Nav */
.site-header { background: var(--surface); box-shadow: var(--shadow-nav); position: sticky; top: 0; z-index: 100; }
.nav-bar { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 40px; height: 40px; background: var(--primary); border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.logo-icon svg { width: 22px; height: 22px; fill: #fff; }
.logo-text { font-size: 22px; font-weight: 800; color: var(--text-primary); letter-spacing: .5px; }
.logo-text span { color: var(--primary); }
.nav-search { flex: 1; max-width: 420px; position: relative; margin: 0 16px; }
.nav-search form { position: relative; }
.nav-search input { width: 100%; height: 46px; border: 1px solid var(--border); border-radius: 999px; padding: 0 20px 0 44px; font-size: 14px; background: var(--bg); color: var(--text-primary); outline: none; transition: border-color .2s, box-shadow .2s; }
.nav-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15,122,104,.12); background: #fff; }
.nav-search input::placeholder { color: var(--text-muted); }
.nav-search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; fill: var(--text-muted); pointer-events: none; }
.nav-links { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nav-links a { font-size: 15px; color: var(--text-secondary); font-weight: 500; padding: 24px 12px 20px; border-bottom: 2px solid transparent; transition: all .2s; }
.nav-links a:hover { color: var(--primary); border-bottom-color: var(--primary); }
.nav-links a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.nav-cta { background: var(--secondary); color: var(--text-primary) !important; font-weight: 700 !important; border-radius: var(--radius-md); padding: 10px 20px !important; border: none !important; font-size: 14px !important; transition: all .2s; margin-left: 8px; }
.nav-cta:hover { background: var(--secondary-dark); color: #fff !important; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(201,160,76,.3); }
.menu-toggle { display: none; width: 40px; height: 40px; border: none; background: transparent; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: .3s; }

/* Hero */
.hero { position: relative; background: linear-gradient(135deg, rgba(10,93,78,.82), rgba(22,37,31,.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; padding: 110px 0 140px; color: #fff; }
.hero-inner { position: relative; z-index: 2; max-width: 720px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 500; backdrop-filter: blur(4px); margin-bottom: 24px; }
.hero-badge::before { content: ''; width: 8px; height: 8px; background: var(--secondary); border-radius: 50%; }
.hero h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.2; margin-bottom: 20px; letter-spacing: 1px; }
.hero-sub { font-size: 18px; line-height: 1.7; color: rgba(255,255,255,.85); margin-bottom: 36px; max-width: 620px; }
.hero-sub span { color: var(--secondary); font-weight: 600; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-md); font-weight: 700; font-size: 16px; padding: 14px 32px; min-height: 48px; border: none; transition: all .2s ease; cursor: pointer; }
.btn-gold { background: var(--secondary); color: var(--text-primary); }
.btn-gold:hover { background: var(--secondary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(201,160,76,.35); }
.btn-outline-white { background: transparent; border: 1px solid rgba(255,255,255,.7); color: #fff; }
.btn-outline-white:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-2px); }
.hero-points { display: flex; gap: 28px; margin-top: 44px; flex-wrap: wrap; }
.hero-point { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,.72); }
.hero-point svg { width: 18px; height: 18px; fill: var(--secondary); flex-shrink: 0; }

/* Trust Metrics */
.trust { margin-top: -60px; position: relative; z-index: 5; }
.trust-card { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 32px 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.trust-item { text-align: center; padding: 8px 0; }
.trust-num { font-family: var(--font-num); font-size: 34px; font-weight: 800; color: var(--secondary); line-height: 1.2; }
.trust-label { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }

/* Section shared */
.section { padding: 96px 0; }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 48px; gap: 24px; flex-wrap: wrap; }
.section-header h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; color: var(--text-primary); line-height: 1.3; }
.section-header p { font-size: 14px; color: var(--text-secondary); margin-top: 8px; }
.link-more { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.link-more::after { content: '→'; transition: transform .2s; }
.link-more:hover::after { transform: translateX(4px); }

/* Benefit Stairs */
.benefit-stairs { display: grid; grid-template-columns: repeat(3, 1fr); align-items: start; gap: 24px; }
.benefit-card { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 36px 28px; position: relative; transition: all .25s ease; border-top: 1px solid transparent; }
.benefit-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-top-color: var(--secondary); }
.benefit-card.mid { margin-top: -40px; border: 1.5px solid var(--secondary); padding: 44px 32px; }
.benefit-badge { position: absolute; top: -14px; left: 28px; background: var(--secondary); color: var(--text-primary); font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: 999px; }
.benefit-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 24px; color: var(--text-primary); }
.benefit-list { display: grid; gap: 14px; margin-bottom: 28px; }
.benefit-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-secondary); }
.benefit-list li svg { width: 18px; height: 18px; fill: var(--primary); flex-shrink: 0; }
.benefit-price { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.benefit-price strong { font-size: 26px; color: var(--text-primary); font-family: var(--font-num); }
.btn-sm { padding: 8px 20px; font-size: 14px; min-height: 40px; border-radius: 8px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(15,122,104,.3); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--primary); }
.btn-ghost:hover { background: var(--primary-light); border-color: var(--primary); }

/* Price Table */
.price-table-wrap { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); overflow-x: auto; }
.price-table-inner { min-width: 720px; overflow-x: auto; }
.price-table { width: 100%; border-collapse: collapse; }
.price-table th, .price-table td { padding: 16px 20px; text-align: center; font-size: 14px; border-bottom: 1px solid var(--border); }
.price-table thead th { font-weight: 700; background: var(--surface); color: var(--text-primary); padding: 24px 20px; }
.price-table thead th.col-recommend { background: var(--primary-light); border: 1.5px solid var(--secondary); border-radius: 8px 8px 0 0; position: relative; }
.price-table thead th .plan-name { display: block; font-size: 16px; font-weight: 700; }
.price-table thead th .plan-price { display: block; font-family: var(--font-num); font-size: 24px; font-weight: 800; color: var(--secondary-dark); margin-top: 6px; }
.price-table thead th .recommend-tag { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--secondary); color: var(--text-primary); font-size: 11px; font-weight: 700; padding: 2px 14px; border-radius: 999px; white-space: nowrap; }
.price-table tbody td:first-child { text-align: left; font-weight: 500; color: var(--text-secondary); }
.price-table tbody tr:hover td { background: rgba(231,243,240,.3); }
.price-table tbody tr:last-child td { border-bottom: none; }
.price-table td.col-recommend { background: var(--primary-light); border-left: 1.5px solid var(--secondary); border-right: 1.5px solid var(--secondary); }
.price-table tbody tr:last-child td.col-recommend { border-bottom: 1.5px solid var(--secondary); border-radius: 0 0 8px 8px; }
.scroll-hint { text-align: center; font-size: 12px; color: var(--text-muted); padding: 8px 0 12px; display: none; }

/* News List */
.news-list-card { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 24px 32px; }
.news-item { display: flex; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--border); align-items: center; }
.news-item:last-child { border-bottom: none; }
.news-thumb { width: 140px; height: 90px; border-radius: var(--radius-md); overflow: hidden; flex-shrink: 0; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.news-item:hover .news-thumb img { transform: scale(1.05); }
.news-content { flex: 1; min-width: 0; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; flex-wrap: wrap; }
.tag { display: inline-flex; align-items: center; background: var(--primary-light); color: var(--primary); font-size: 12px; font-weight: 500; padding: 2px 10px; border-radius: var(--radius-sm); }
.news-time { font-size: 12px; color: var(--text-muted); }
.news-title { font-size: 17px; font-weight: 600; color: var(--text-primary); line-height: 1.4; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; transition: color .2s; }
.news-item:hover .news-title { color: var(--primary); }
.news-desc { font-size: 14px; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-link { font-size: 13px; font-weight: 600; color: var(--primary); white-space: nowrap; margin-left: 16px; }
.news-empty { text-align: center; padding: 48px 20px; }
.news-empty svg { width: 56px; height: 56px; fill: var(--border); margin-bottom: 16px; }
.news-empty p { color: var(--text-secondary); font-size: 15px; margin-bottom: 16px; }

/* Time Deal */
.timed { background: var(--dark); position: relative; padding: 80px 0; overflow: hidden; }
.timed::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: repeating-linear-gradient(90deg, var(--secondary) 0 20px, transparent 20px 40px); }
.timed-inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; flex-wrap: wrap; position: relative; z-index: 2; }
.timed-left h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; margin-bottom: 12px; }
.timed-left h2 em { color: var(--secondary); font-style: normal; }
.timed-left p { color: rgba(255,255,255,.7); font-size: 14px; }
.timed-right { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.countdown { display: flex; gap: 12px; align-items: center; }
.count-num { background: var(--surface); color: var(--primary-dark); font-family: var(--font-num); font-size: 28px; font-weight: 800; width: 64px; height: 64px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; flex-direction: column; line-height: 1; box-shadow: 0 4px 16px rgba(0,0,0,.2); }
.count-num small { font-size: 11px; font-weight: 400; color: var(--text-muted); margin-top: 4px; }
.count-sep { color: var(--secondary); font-size: 24px; font-weight: 700; }
.timed .btn { white-space: nowrap; }

/* FAQ */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--surface); border-radius: var(--radius-md); box-shadow: var(--shadow-card); margin-bottom: 12px; overflow: hidden; }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 20px 28px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text-primary); transition: background .2s; }
.faq-q:hover { background: var(--primary-light); }
.faq-icon { width: 24px; height: 24px; border-radius: 50%; background: var(--primary-light); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 16px; flex-shrink: 0; transition: transform .3s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 28px 20px; font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* Contact Form */
.contact-section { background: var(--primary-light); }
.contact-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 48px; align-items: start; }
.contact-form-card { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { font-size: 14px; font-weight: 600; color: var(--text-primary); display: block; margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; height: 46px; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 0 16px; font-size: 14px; background: var(--bg); transition: all .2s; }
.form-group textarea { height: 120px; padding: 12px 16px; resize: vertical; line-height: 1.5; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15,122,104,.1); background: #fff; }
.form-submit { width: 100%; height: 48px; background: var(--secondary); color: var(--text-primary); font-size: 16px; font-weight: 700; border: none; border-radius: var(--radius-md); cursor: pointer; transition: all .2s; }
.form-submit:hover { background: var(--secondary-dark); color: #fff; transform: translateY(-1px); }
.contact-info-card { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 32px; }
.contact-badge { display: inline-flex; align-items: center; background: var(--secondary-light); color: var(--secondary-dark); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; margin-bottom: 20px; }
.contact-info-list { display: grid; gap: 16px; }
.contact-info-item { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--text-secondary); }
.contact-info-item svg { width: 20px; height: 20px; fill: var(--primary); flex-shrink: 0; margin-top: 2px; }
.form-success { display: none; text-align: center; padding: 48px 24px; }
.form-success .check-icon { width: 64px; height: 64px; background: var(--success); border-radius: 50%; color: #fff; font-size: 32px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.form-success p { font-size: 16px; color: var(--text-primary); font-weight: 600; margin-bottom: 12px; }
.form-success a { font-size: 14px; color: var(--primary); }

/* Footer */
.site-footer { background: var(--dark); color: rgba(255,255,255,.75); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; margin-top: 16px; color: rgba(255,255,255,.6); line-height: 1.7; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: rgba(255,255,255,.65); font-size: 14px; transition: all .2s; }
.footer-col a:hover { color: var(--secondary); padding-left: 4px; }
.footer-footer { border-top: 1px solid rgba(255,255,255,.1); padding: 24px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.5); }

/* Responsive */
@media (max-width: 1024px) {
  .nav-search { max-width: 280px; }
  .nav-links a { font-size: 14px; padding: 20px 8px 16px; }
  .nav-cta { padding: 8px 14px !important; font-size: 13px !important; }
  .benefit-stairs { gap: 16px; }
  .benefit-card { padding: 28px 20px; }
  .benefit-card.mid { padding: 32px 24px; }
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}

@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .nav-bar { height: auto; flex-direction: column; padding: 12px 0; gap: 12px; }
  .nav-top { display: flex; width: 100%; align-items: center; justify-content: space-between; }
  .nav-search { width: 100%; max-width: none; margin: 0; }
  .nav-links { display: none; width: 100%; flex-direction: column; gap: 0; padding-bottom: 12px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--border); width: 100%; }
  .nav-links a.active { border-bottom-color: transparent; }
  .nav-cta { margin: 12px 0 0; width: 100%; justify-content: center; }
  .menu-toggle { display: flex; }
  .hero { padding: 72px 0 110px; }
  .hero-cta { flex-direction: column; width: 100%; }
  .hero-cta .btn { width: 100%; }
  .trust-card { grid-template-columns: repeat(2, 1fr); padding: 24px 16px; }
  .section { padding: 56px 0; }
  .benefit-stairs { grid-template-columns: 1fr; }
  .benefit-card.mid { margin-top: 0; }
  .scroll-hint { display: block; }
  .news-list-card { padding: 16px; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 12px; }
  .news-thumb { width: 100%; height: 160px; border-radius: var(--radius-md); }
  .news-link { margin-left: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-form-card { padding: 24px; }
  .timed-inner { flex-direction: column; align-items: flex-start; gap: 24px; }
  .count-num { width: 52px; height: 52px; font-size: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .timed-right { width: 100%; justify-content: space-between; flex-wrap: wrap; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 34px; }
  .benefit-card { padding: 24px 18px; }
  .price-table-wrap { border-radius: var(--radius-md); }
  .countdown { gap: 6px; }
  .count-num { width: 44px; height: 48px; font-size: 18px; }
}

/* roulang page: article */
:root {
  --primary: #0F7A68;
  --primary-dark: #0A5D4E;
  --primary-light: #E7F3F0;
  --secondary: #C9A04C;
  --secondary-dark: #A98436;
  --secondary-light: #F8F0DF;
  --bg: #F6F5F2;
  --surface: #FFFFFF;
  --dark: #16251F;
  --text: #1E2D27;
  --text-second: #607069;
  --text-muted: #8A9590;
  --border: #E6E2D9;
  --radius: 16px;
  --radius-btn: 10px;
  --shadow-sm: 0 1px 3px rgba(22,37,31,.05), 0 6px 16px rgba(22,37,31,.04);
  --shadow-md: 0 4px 8px rgba(22,37,31,.06), 0 14px 32px rgba(22,37,31,.10);
  --shadow-lg: 0 8px 24px rgba(22,37,31,.12);
  --trans: .2s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
input, textarea, button, select { font-family: inherit; font-size: inherit; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header & Nav ===== */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(22,37,31,.05), 0 2px 12px rgba(22,37,31,.04);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 0;
  flex-wrap: wrap;
}
.nav-top {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-icon svg {
  width: 24px;
  height: 24px;
  fill: #fff;
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: .5px;
  line-height: 1.2;
  white-space: nowrap;
}
.logo-text span { color: var(--primary); }
.menu-toggle {
  display: none;
  background: none;
  border: none;
  width: 42px;
  height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  border-radius: 8px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--trans);
}
.nav-search {
  flex: 1;
  max-width: 480px;
  min-width: 220px;
}
.nav-search form {
  position: relative;
  height: 46px;
}
.nav-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  fill: var(--text-muted);
  pointer-events: none;
}
.nav-search input {
  width: 100%;
  height: 46px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 20px 0 46px;
  font-size: 14px;
  color: var(--text);
  transition: border-color var(--trans), box-shadow var(--trans);
}
.nav-search input::placeholder { color: var(--text-muted); }
.nav-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,122,104,.12);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.nav-links a {
  display: inline-block;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 8px;
  position: relative;
  transition: color var(--trans), background var(--trans);
}
.nav-links a:hover { color: var(--primary); background: var(--primary-light); }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-links a.nav-cta {
  background: var(--secondary);
  color: var(--dark);
  font-weight: 700;
  border-radius: var(--radius-btn);
  padding: 10px 22px;
  margin-left: 8px;
}
.nav-links a.nav-cta:hover {
  background: var(--secondary-dark);
  color: #fff;
}

/* ===== Breadcrumb ===== */
.breadcrumb-wrap { padding: 28px 0 4px; }
.breadcrumb {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumb a { color: var(--text-second); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .current {
  color: var(--text-muted);
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Article Card ===== */
.article-page { padding: 20px 0 80px; }
.article-card {
  background: var(--surface);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  padding: 48px;
  margin-top: 16px;
}
.article-header { text-align: left; margin-bottom: 36px; }
.category-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.article-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 14px;
  color: var(--text-muted);
}
.article-meta span { display: inline-flex; align-items: center; gap: 4px; }
.article-meta span:not(:last-child)::after {
  content: "·";
  margin-left: 16px;
  color: var(--border);
}
.article-body {
  max-width: 760px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}
.article-body > * { margin-bottom: 24px; }
.article-body p { line-height: 1.85; }
.article-body h2 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  margin-top: 40px;
  margin-bottom: 18px;
  padding-top: 8px;
  color: var(--text);
}
.article-body h3 {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.45;
  margin-top: 28px;
  margin-bottom: 14px;
  color: var(--text);
}
.article-body img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 28px 0;
}
.article-body blockquote {
  background: var(--secondary-light);
  border-left: 4px solid var(--primary);
  padding: 20px 24px;
  border-radius: 0 12px 12px 0;
  color: var(--text-second);
  font-size: 15px;
  line-height: 1.7;
}
.article-body ul, .article-body ol {
  padding-left: 24px;
  margin-bottom: 24px;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 10px; line-height: 1.8; }
.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover { color: var(--primary-dark); }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
}
.article-body th, .article-body td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}
.article-body th { background: var(--primary-light); font-weight: 600; }
.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

/* ===== Tags ===== */
.article-tags {
  max-width: 760px;
  margin: 40px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.tag {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 12px;
  color: var(--text-second);
  transition: var(--trans);
}
a.tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
span.tag { cursor: default; }

/* ===== Post Nav ===== */
.post-nav {
  max-width: 760px;
  margin: 32px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.post-nav-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: var(--trans);
}
.post-nav-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.post-nav-item .nav-label {
  font-size: 12px;
  color: var(--text-muted);
}
.post-nav-item .nav-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.post-nav-item.next { text-align: right; }

/* ===== Related ===== */
.related-posts {
  max-width: 960px;
  margin: 56px auto 0;
}
.related-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 24px;
  text-align: center;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201,160,76,.5);
}
.related-card .cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.related-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .cover img { transform: scale(1.04); }
.related-card .info { padding: 18px 20px 20px; }
.related-card .info h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .info p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== Back ===== */
.article-back {
  max-width: 960px;
  margin: 40px auto 0;
  text-align: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--trans);
  line-height: 1;
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-ghost:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-gold {
  background: var(--secondary);
  color: var(--dark);
  font-weight: 700;
}
.btn-gold:hover { background: var(--secondary-dark); color: #fff; }

/* ===== Empty State ===== */
.article-empty {
  text-align: center;
  padding: 80px 20px;
}
.article-empty .empty-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.article-empty .empty-icon svg {
  width: 36px;
  height: 36px;
  fill: var(--primary);
}
.article-empty h2 {
  font-size: 24px;
  color: var(--text);
  margin-bottom: 12px;
}
.article-empty p {
  color: var(--text-second);
  margin-bottom: 28px;
  font-size: 15px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.78);
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 64px 0 48px;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 16px;
  display: inline-block;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.6);
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}
.footer-col ul li {
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(255,255,255,.6);
}
.footer-col ul a {
  color: rgba(255,255,255,.6);
  transition: color var(--trans);
}
.footer-col ul a:hover { color: var(--secondary); }
.footer-footer {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,.5);
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .nav-search { max-width: 340px; }
  .nav-links a { font-size: 14px; padding: 8px 10px; }
  .nav-links a.nav-cta { padding: 10px 18px; }
}
@media (max-width: 991px) {
  .nav-bar { gap: 16px; }
  .nav-search { order: 3; max-width: 100%; flex: 1 1 100%; }
  .nav-links { margin-left: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .nav-top { width: 100%; justify-content: space-between; }
  .menu-toggle { display: flex; }
  .nav-search { order: 2; flex: 1 1 100%; }
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-left: 0;
    background: var(--surface);
    border-radius: 12px;
    padding: 12px;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 15px;
  }
  .nav-links a.nav-cta {
    margin-left: 0;
    text-align: center;
    margin-top: 6px;
  }
  .article-page { padding: 8px 0 48px; }
  .article-card { padding: 24px 18px; border-radius: 14px; }
  .article-title { font-size: 24px; }
  .article-meta { font-size: 13px; gap: 6px; }
  .article-meta span:not(:last-child)::after { margin-left: 6px; color: var(--border); }
  .article-body { font-size: 15px; line-height: 1.8; }
  .article-body h2 { font-size: 20px; margin-top: 32px; }
  .article-body h3 { font-size: 17px; }
  .post-nav { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .related-card { flex-direction: row; }
  .related-card .cover { width: 120px; aspect-ratio: 1; flex-shrink: 0; }
  .related-card .cover img { height: 100%; }
  .related-card .info { padding: 14px 16px; }
  .related-card .info p { display: none; }
  .footer-grid { grid-template-columns: 1fr; padding: 48px 0 32px; gap: 32px; }
  .footer-brand p { max-width: 100%; }
}

/* roulang page: category1 */
:root {
  --primary: #0F7A68;
  --primary-dark: #0A5D4E;
  --primary-light: #E7F3F0;
  --secondary: #C9A04C;
  --secondary-dark: #A98436;
  --secondary-light: #F8F0DF;
  --bg: #F6F5F2;
  --surface: #FFFFFF;
  --dark: #16251F;
  --text: #1E2D27;
  --text-secondary: #607069;
  --text-muted: #8A9590;
  --border: #E6E2D9;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 1px 3px rgba(22,37,31,.05), 0 6px 16px rgba(22,37,31,.04);
  --shadow-hover: 0 4px 8px rgba(22,37,31,.06), 0 14px 32px rgba(22,37,31,.10);
  --shadow-nav: 0 1px 0 rgba(22,37,31,.05), 0 2px 12px rgba(22,37,31,.04);
  --container: 1200px;
  --transition: .2s ease;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: var(--primary); transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 14px; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 46px; padding: 0 28px; border-radius: var(--radius-md);
  font-size: 15px; font-weight: 700; line-height: 1;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn-gold { background: var(--secondary); color: var(--text); }
.btn-gold:hover { background: var(--secondary-dark); color: #fff; box-shadow: 0 6px 16px rgba(201,160,76,.3); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: transparent; border: 1px solid currentColor; color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); border-color: var(--primary); }
.btn:active { transform: translateY(1px); }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.98);
  box-shadow: var(--shadow-nav);
  border-bottom: 1px solid var(--border);
}
.nav-bar { display: flex; align-items: center; gap: 18px; height: 76px; }
.nav-top { display: flex; align-items: center; flex-shrink: 0; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 40px; height: 40px;
  background: var(--primary);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(15,122,104,.25);
}
.logo-icon svg { width: 22px; height: 22px; fill: #fff; }
.logo-text { font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: .5px; line-height: 1.2; }
.logo-text span { color: var(--primary); }
.nav-search { flex: 0 1 440px; margin: 0 auto; max-width: 480px; }
.nav-search form {
  display: flex; align-items: center;
  background: #fff; border: 1px solid var(--border);
  border-radius: 999px; height: 46px; padding: 0 18px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.nav-search form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,122,104,.12);
}
.nav-search-icon { width: 18px; height: 18px; fill: var(--text-muted); margin-right: 10px; flex-shrink: 0; }
.nav-search input { border: none; outline: none; flex: 1; font-size: 14px; color: var(--text); background: transparent; }
.nav-search input::placeholder { color: var(--text-muted); }
.nav-links { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-links a {
  display: inline-block; padding: 9px 15px;
  font-size: 15px; font-weight: 500; color: var(--text);
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover { color: var(--primary); background: var(--primary-light); }
.nav-links a.active { color: var(--primary); font-weight: 600; background: var(--primary-light); }
.nav-links .nav-cta {
  margin-left: 8px; background: var(--secondary); color: var(--text);
  font-weight: 700; padding: 10px 22px; border-radius: var(--radius-md);
}
.nav-links .nav-cta:hover { background: var(--secondary-dark); color: #fff; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: var(--radius-md); }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s; }

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 64px 0 80px;
  background: linear-gradient(120deg, rgba(10,93,78,.94) 0%, rgba(22,37,31,.82) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color: #fff;
}
.breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 18px;
}
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: rgba(255,255,255,.4); }
.breadcrumb .current { color: rgba(255,255,255,.65); }
.page-hero h1 {
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 800; line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: .5px;
}
.page-hero .lead {
  font-size: 16px; color: rgba(255,255,255,.78);
  max-width: 640px; line-height: 1.8;
}

/* ===== Feature Sections ===== */
.section { padding: 88px 0; }
.section-alt { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.feature-row {
  display: grid; grid-template-columns: 480px 1fr;
  gap: 60px; align-items: center;
}
.feature-row.reverse .feature-img { order: 2; }
.feature-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.feature-img img { width: 100%; height: 320px; object-fit: cover; }
.feature-text .eyebrow {
  display: inline-block; padding: 4px 12px; margin-bottom: 14px;
  background: var(--primary-light); color: var(--primary);
  font-size: 12px; font-weight: 600; border-radius: 999px;
  letter-spacing: .4px;
}
.feature-text h2 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); font-weight: 700; margin-bottom: 16px; color: var(--text); line-height: 1.3; }
.feature-text p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; }
.feature-text ul { display: grid; gap: 10px; margin-bottom: 24px; }
.feature-text ul li {
  position: relative; padding-left: 28px;
  font-size: 14px; color: var(--text-secondary);
}
.feature-text ul li::before {
  content: ""; position: absolute; left: 0; top: 5px;
  width: 16px; height: 16px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.feature-text ul li::after {
  content: "✓"; position: absolute; left: 3px; top: 1px;
  font-size: 11px; color: var(--primary); font-weight: 700;
}
.text-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 15px; font-weight: 600; color: var(--primary);
}
.text-link:hover { color: var(--primary-dark); }
.text-link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; transition: transform .2s; }
.text-link:hover svg { transform: translateX(3px); }

/* ===== Process Steps ===== */
.process-section { background: var(--dark); position: relative; overflow: hidden; }
.process-section::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: repeating-linear-gradient(90deg, var(--secondary) 0 12px, transparent 12px 24px);
}
.process-section .section-head { text-align: center; margin-bottom: 48px; }
.process-section .section-head h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 8px; }
.process-section .section-head p { color: rgba(255,255,255,.66); font-size: 14px; }
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.process-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.process-item:hover { background: rgba(255,255,255,.08); border-color: rgba(201,160,76,.4); transform: translateY(-4px); }
.process-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; margin-bottom: 18px;
  background: var(--secondary); color: var(--text);
  font-size: 16px; font-weight: 800; border-radius: 12px;
}
.process-item h3 { color: #fff; font-size: 18px; margin-bottom: 10px; }
.process-item p { color: rgba(255,255,255,.6); font-size: 14px; line-height: 1.7; }

/* ===== Security Points ===== */
.security-section { padding: 88px 0; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; margin-bottom: 8px; }
.section-head p { color: var(--text-secondary); font-size: 14px; }
.points-grid { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 24px; align-items: stretch; }
.point-card {
  background: var(--surface); border-radius: var(--radius-lg);
  padding: 32px 28px; box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: flex; flex-direction: column;
}
.point-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: rgba(201,160,76,.4); }
.point-card.wide { background: var(--secondary-light); border-color: rgba(201,160,76,.3); }
.point-icon { width: 48px; height: 48px; border-radius: 14px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.point-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--primary); stroke-width: 1.8; }
.point-card.wide .point-icon { background: var(--secondary-light); }
.point-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.point-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ===== FAQ ===== */
.faq-section { background: #fff; border-top: 1px solid var(--border); padding: 88px 0; }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--bg); border-radius: 14px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item[open] { border-color: rgba(15,122,104,.35); box-shadow: 0 2px 10px rgba(15,122,104,.05); }
.faq-item summary {
  cursor: pointer; padding: 20px 24px;
  font-size: 17px; font-weight: 600; color: var(--text);
  list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 26px; font-weight: 400; color: var(--primary);
  transition: transform .25s ease; line-height: 1; flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding: 0 24px 22px; font-size: 14px; color: var(--text-secondary); line-height: 1.75; }

/* ===== CTA ===== */
.cta-section { padding: 80px 0; }
.cta-box {
  background: linear-gradient(135deg, var(--primary-light) 0%, #eef6f1 50%, var(--secondary-light) 100%);
  border: 1px solid rgba(15,122,104,.15);
  border-radius: var(--radius-lg);
  padding: 52px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  position: relative; overflow: hidden;
}
.cta-box::after {
  content: ""; position: absolute; right: -60px; top: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  background: rgba(201,160,76,.08);
}
.cta-text h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 800; margin-bottom: 8px; }
.cta-text p { font-size: 14px; color: var(--text-secondary); }
.cta-actions { display: flex; gap: 12px; flex-shrink: 0; }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); margin-top: 0; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px; padding: 64px 0 48px;
}
.footer-brand .logo-text { color: #fff; font-size: 20px; margin-bottom: 12px; display: inline-block; }
.footer-brand .logo-text span { color: var(--secondary); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.55); max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col ul li a { color: rgba(255,255,255,.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--secondary); }
.footer-footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0; font-size: 13px; color: rgba(255,255,255,.4);
  text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .feature-row { grid-template-columns: 400px 1fr; gap: 40px; }
  .feature-img img { height: 280px; }
  .nav-search { flex-basis: 300px; }
  .nav-links a { padding: 8px 10px; font-size: 14px; }
  .navbar .container { padding: 0 16px; }
}
@media (max-width: 991px) {
  .feature-row,
  .feature-row.reverse { grid-template-columns: 1fr; gap: 32px; }
  .feature-row.reverse .feature-img { order: 0; }
  .feature-img img { height: 240px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .points-grid { grid-template-columns: 1fr 1fr; }
  .point-card.wide { grid-column: 1 / -1; }
  .cta-box { flex-direction: column; text-align: center; padding: 40px 24px; }
  .cta-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 767px) {
  .nav-bar { flex-wrap: wrap; height: auto; padding: 12px 0 14px; gap: 10px; }
  .nav-top { width: 100%; justify-content: space-between; }
  .nav-search { order: 3; flex-basis: 100%; max-width: none; margin: 0; }
  .nav-links {
    order: 4; width: 100%; margin-left: 0;
    display: none; flex-direction: column;
    background: #fff; border-radius: 14px;
    padding: 10px; box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 14px; text-align: center; }
  .nav-links .nav-cta { margin-left: 0; margin-top: 4px; text-align: center; }
  .menu-toggle { display: flex; }
  .page-hero { padding: 44px 0 56px; }
  .section { padding: 56px 0; }
  .process-grid { grid-template-columns: 1fr; }
  .points-grid { grid-template-columns: 1fr; }
  .point-card.wide { grid-column: auto; }
  .cta-section { padding: 48px 0; }
  .cta-box { padding: 32px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 48px 0 32px; }
}

/* roulang page: category2 */
:root{
  --primary:#0F7A68;
  --primary-dark:#0A5D4E;
  --primary-light:#E7F3F0;
  --secondary:#C9A04C;
  --secondary-dark:#A98436;
  --secondary-light:#F8F0DF;
  --bg:#F6F5F2;
  --surface:#FFFFFF;
  --dark:#16251F;
  --text:#1E2D27;
  --text-secondary:#607069;
  --text-muted:#8A9590;
  --border:#E6E2D9;
  --success:#2E9E6B;
  --warning:#D85A3D;
  --info:#3B82A4;
  --error:#C93A3A;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-card:0 1px 3px rgba(22,37,31,.05),0 6px 16px rgba(22,37,31,.04);
  --shadow-hover:0 4px 8px rgba(22,37,31,.06),0 14px 32px rgba(22,37,31,.10);
  --shadow-nav:0 1px 0 rgba(22,37,31,.05),0 2px 12px rgba(22,37,31,.04);
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline:none}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;line-height:1.3}
.section-head p{color:var(--text-secondary);font-size:14px;margin-top:6px}
.section-head.center{flex-direction:column;align-items:center;text-align:center}
.section-tag{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--radius-badge);margin-bottom:14px}

/* ===== Buttons ===== */
.btn-primary,.btn-outline,.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;border-radius:var(--radius-btn);
  padding:12px 26px;cursor:pointer;border:none;text-align:center;
  transition:all .2s ease;white-space:nowrap;min-height:44px;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-outline:active{transform:translateY(1px)}
.btn-gold{background:var(--secondary);color:var(--text);font-weight:700}
.btn-gold:hover{background:var(--secondary-dark);color:#fff;transform:translateY(-1px)}
.btn-gold:active{transform:translateY(1px)}

/* ===== Header ===== */
.site-header{
  background:var(--surface);
  box-shadow:var(--shadow-nav);
  position:sticky;top:0;z-index:100;
}
.nav-bar{
  display:flex;align-items:center;gap:20px;
  height:72px;
}
.nav-top{
  display:flex;align-items:center;
  flex-shrink:0;
}
.logo{
  display:flex;align-items:center;gap:10px;
  padding:6px 0;
}
.logo-icon{
  width:40px;height:40px;border-radius:12px;
  background:var(--primary);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.logo-icon svg{width:22px;height:22px;fill:#fff}
.logo-text{
  font-size:20px;font-weight:800;color:var(--text);
  letter-spacing:.5px;line-height:1.2;
}
.logo-text span{color:var(--primary)}
.nav-search{
  flex:1;max-width:480px;margin:0 auto;
}
.nav-search form{position:relative}
.nav-search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;fill:var(--text-muted);
  pointer-events:none;
}
.nav-search input{
  width:100%;height:46px;
  border:1px solid var(--border);background:#fff;
  border-radius:999px;
  padding:0 46px 0 44px;
  font-size:14px;color:var(--text);
  transition:all .2s ease;
}
.nav-search input::placeholder{color:var(--text-muted)}
.nav-search input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(15,122,104,.12);
}
.nav-links{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;flex-shrink:0;
}
.nav-links a{
  padding:9px 16px;
  font-size:15px;font-weight:500;
  color:var(--text-secondary);
  border-radius:8px;
  position:relative;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--primary);background:rgba(15,122,104,.04)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:0;
  height:2px;background:var(--primary);border-radius:2px;
}
.nav-cta{
  background:var(--secondary) !important;
  color:var(--text) !important;
  font-weight:700 !important;
  border-radius:var(--radius-btn) !important;
  padding:10px 20px !important;
  margin-left:8px;
}
.nav-cta:hover{
  background:var(--secondary-dark) !important;
  color:#fff !important;
  transform:translateY(-1px);
}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  background:transparent;border:none;
  cursor:pointer;
  flex-direction:column;
  align-items:center;justify-content:center;
  gap:5px;
  border-radius:8px;
}
.menu-toggle span{
  display:block;width:22px;height:2px;
  background:var(--text);
  border-radius:2px;
  transition:all .2s ease;
}

/* ===== Page Hero ===== */
.page-hero{
  background:
    linear-gradient(120deg,rgba(10,93,78,.92) 0%,rgba(22,37,31,.88) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:72px 0 64px;
  color:#fff;
  border-bottom:4px solid var(--secondary);
}
.breadcrumb{
  font-size:14px;color:rgba(255,255,255,.65);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.65);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:rgba(255,255,255,.9)}
.page-hero h1{
  font-size:clamp(2rem,4.5vw,2.75rem);
  font-weight:800;line-height:1.2;
  margin-bottom:14px;
  letter-spacing:1px;
}
.page-hero p{
  font-size:16px;color:rgba(255,255,255,.78);
  max-width:680px;line-height:1.7;
}

/* ===== Events Section ===== */
.events-section{padding:72px 0 96px}
.events-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  align-items:start;
}
.event-col{display:flex;flex-direction:column;gap:24px}
.event-col-offset{transform:translateY(40px)}
.event-card{
  background:var(--surface);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-card);
  display:flex;gap:22px;
  border:1px solid transparent;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.event-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-3px);
  border-color:var(--secondary);
}
.event-date{
  flex-shrink:0;
  width:72px;
  background:#fff;
  border:1px solid rgba(201,160,76,.3);
  border-radius:14px;
  padding:14px 8px;
  text-align:center;
  height:fit-content;
}
.event-day{
  display:block;
  font-family:var(--font-num);
  font-size:30px;font-weight:800;
  color:var(--secondary-dark);
  line-height:1.1;
}
.event-month{
  display:block;
  font-size:12px;color:var(--text-muted);
  margin-top:4px;
  letter-spacing:1px;
}
.event-body{flex:1;min-width:0}
.event-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.tag{
  display:inline-block;
  background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:var(--radius-badge);
}
.event-status{
  display:inline-block;
  font-size:12px;font-weight:500;
  color:var(--success);
  background:rgba(46,158,107,.1);
  padding:3px 10px;border-radius:var(--radius-badge);
}
.event-body h3{
  font-size:19px;font-weight:700;
  margin-bottom:8px;line-height:1.4;
  transition:color .2s ease;
}
.event-card:hover .event-body h3{color:var(--primary)}
.event-body p{
  font-size:14px;color:var(--text-secondary);
  line-height:1.6;margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.event-link{
  font-size:14px;font-weight:600;
  color:var(--primary);
  display:inline-flex;align-items:center;gap:4px;
  transition:gap .2s ease,color .2s ease;
}
.event-link:hover{color:var(--primary-dark);gap:8px}

/* ===== Feature Section ===== */
.feature-section{padding:56px 0 72px;background:var(--surface)}
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.feature-image{
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  position:relative;
}
.feature-image::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 65%,rgba(22,37,31,.25));
  pointer-events:none;
}
.feature-image img{
  width:100%;height:360px;object-fit:cover;
  transition:transform .4s ease;
}
.feature-image:hover img{transform:scale(1.03)}
.feature-content h2{
  font-size:clamp(1.5rem,2.5vw,1.875rem);
  font-weight:700;margin-bottom:14px;line-height:1.3;
}
.feature-content p{
  font-size:15px;color:var(--text-secondary);
  line-height:1.75;margin-bottom:20px;
}
.feature-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.feature-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--text);
}
.feature-list li::before{
  content:'';width:6px;height:6px;
  background:var(--secondary);
  border-radius:50%;
  margin-top:9px;flex-shrink:0;
}

/* ===== Steps Section ===== */
.steps-section{padding:72px 0}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  background:var(--surface);
  border-radius:var(--radius-card);
  padding:36px 30px;
  position:relative;
  box-shadow:var(--shadow-card);
  border:1px solid transparent;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.step-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
  border-color:var(--primary);
}
.step-num{
  font-family:var(--font-num);
  font-size:48px;font-weight:800;
  color:var(--primary-light);
  line-height:1;
  display:block;
  margin-bottom:18px;
  transition:color .2s ease;
}
.step-card:hover .step-num{color:var(--primary)}
.step-card h3{
  font-size:20px;font-weight:700;
  margin-bottom:10px;
}
.step-card p{
  font-size:14px;color:var(--text-secondary);
  line-height:1.65;
}

/* ===== FAQ Section ===== */
.faq-section{padding:56px 0 72px;background:var(--surface)}
.faq-list{
  max-width:860px;
  margin:0 auto;
  display:flex;flex-direction:column;gap:12px;
}
.faq-list details{
  background:var(--bg);
  border-radius:12px;
  border:1px solid var(--border);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-list details:hover{border-color:var(--primary)}
.faq-list details[open]{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(15,122,104,.06);
}
.faq-list summary{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:16px;font-weight:600;
  cursor:pointer;
  list-style:none;
  transition:color .2s ease;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:'+';
  font-family:var(--font-num);
  font-size:24px;font-weight:300;
  color:var(--primary);
  transition:transform .25s ease;
  line-height:1;
  flex-shrink:0;
}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list details p{
  padding:0 24px 20px;
  font-size:14px;color:var(--text-secondary);
  line-height:1.75;
}

/* ===== CTA Section ===== */
.cta-section{padding:72px 0}
.cta-box{
  background:var(--dark);
  border-radius:var(--radius-card);
  padding:52px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
  border-top:3px solid var(--secondary);
}
.cta-box::before{
  content:'';
  position:absolute;
  top:-40px;right:-40px;
  width:200px;height:200px;
  background:rgba(201,160,76,.1);
  border-radius:50%;
  pointer-events:none;
}
.cta-box h2{
  color:#fff;
  font-size:clamp(1.4rem,2.5vw,1.875rem);
  font-weight:700;
  margin-bottom:10px;
}
.cta-box p{
  color:rgba(255,255,255,.7);
  font-size:15px;
  margin-bottom:28px;
}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.75)}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo-text{
  color:#fff;font-size:22px;
  margin-bottom:16px;
}
.footer-brand p{
  font-size:14px;line-height:1.75;
  color:rgba(255,255,255,.6);
  margin-top:12px;
  max-width:280px;
}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:600;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul li{font-size:14px}
.footer-col ul li a{
  color:rgba(255,255,255,.65);
  transition:color .2s ease;
}
.footer-col ul li a:hover{color:var(--secondary)}
.footer-footer{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  font-size:13px;
  color:rgba(255,255,255,.45);
  text-align:center;
}

/* ===== Responsive ===== */
@media(max-width:1199px){
  .nav-search{max-width:380px}
  .nav-links a{padding:9px 12px;font-size:14px}
  .nav-links a.active::after{left:12px;right:12px}
  .container{padding:0 20px}
}
@media(max-width:1024px){
  .nav-search{max-width:320px}
  .nav-links a{padding:8px 10px;font-size:13px}
  .nav-cta{padding:9px 14px !important}
}
@media(max-width:991px){
  .events-grid{grid-template-columns:1fr 1fr}
  .feature-row{grid-template-columns:1fr;gap:28px}
  .feature-image img{height:300px}
}
@media(max-width:767px){
  .container{padding:0 16px}
  .site-header .container{padding:0 16px}
  .nav-bar{
    flex-wrap:wrap;
    height:auto;
    padding:12px 0;
    gap:12px;
  }
  .nav-top{width:100%;justify-content:space-between}
  .menu-toggle{display:flex}
  .nav-search{order:3;width:100%;max-width:none;flex-basis:100%}
  .nav-links{
    order:4;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin-left:0;
    display:none;
    padding-top:6px;
  }
  .nav-links.open{display:flex}
  .nav-links a{
    padding:14px 12px;
    font-size:15px;
    border-radius:8px;
  }
  .nav-links a.active{background:var(--primary-light)}
  .nav-links a.active::after{display:none}
  .nav-cta{margin-left:0;margin-top:6px;background:var(--secondary);text-align:center}
  .page-hero{padding:52px 0 44px}
  .page-hero h1{font-size:30px}
  .page-hero p{font-size:14px}
  .events-section{padding:48px 0 72px}
  .events-grid{grid-template-columns:1fr;gap:16px}
  .event-col-offset{transform:none}
  .event-card{padding:20px;gap:16px}
  .event-date{width:60px;padding:10px 6px}
  .event-day{font-size:24px}
  .feature-section{padding:40px 0 56px}
  .feature-image img{height:220px}
  .steps-section{padding:48px 0}
  .steps-grid{grid-template-columns:1fr;gap:16px}
  .step-card{padding:26px 22px}
  .step-num{font-size:38px;margin-bottom:12px}
  .faq-section{padding:40px 0 56px}
  .faq-list summary{padding:16px 18px;font-size:15px}
  .faq-list details p{padding:0 18px 16px;font-size:13px}
  .cta-section{padding:48px 0}
  .cta-box{padding:36px 20px}
  .cta-box p{font-size:14px}
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px 24px;
    padding:48px 0 32px;
  }
  .footer-brand{grid-column:1 / -1}
}
@media(max-width:520px){
  .logo-text{font-size:18px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .section-head.center{align-items:center}
  .events-section .section-head .btn-outline{width:100%;justify-content:center}
  .event-card{flex-direction:column;align-items:flex-start}
  .event-date{width:auto;display:flex;align-items:center;gap:8px;padding:8px 14px}
  .event-day{font-size:20px}
  .event-month{margin-top:0}
  .btn-primary,.btn-outline,.btn-gold{width:100%}
  .feature-content h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
}