/* roulang page: index */
:root {
  --brand: #0B7A5A;
  --brand-dark: #085D44;
  --brand-light: #E6F2ED;
  --accent: #F97316;
  --accent-dark: #EA580C;
  --bg: #FAFAF7;
  --bg-alt: #F2F1EC;
  --ink: #10231E;
  --ink-deep: #0C1A16;
  --text: #1F2937;
  --text-sub: #5B6572;
  --text-muted: #9CA3AF;
  --border: #E5E7EB;
  --line: #F0EFEA;
  --white: #ffffff;
  --success: #10B981;
  --error: #EF4444;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 3px rgba(16, 35, 30, 0.06);
  --shadow-md: 0 12px 32px rgba(16, 35, 30, 0.12);
  --shadow-accent: 0 8px 24px rgba(249, 115, 22, 0.25);
  --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --ease: 150ms ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 1rem;
  -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: inherit; color: inherit; }
ul, ol { list-style: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section { padding: 100px 0; }
.section-alt { background: var(--white); }
.section-tint { background: var(--bg-alt); }

/* focus accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .faq-question:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--ease), background var(--ease);
}
.site-header.is-scrolled {
  box-shadow: 0 8px 30px rgba(16, 35, 30, 0.08);
  background: rgba(255, 255, 255, 0.97);
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; order: 1; }
.logo-mark { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 10px; background: var(--brand-light); }
.logo-text { font-size: 1.25rem; font-weight: 800; letter-spacing: 0.02em; color: var(--ink); white-space: nowrap; }
.logo-text em { font-style: normal; color: var(--brand); }
.brand-tools { display: flex; align-items: center; gap: 16px; order: 2; }
.brand-phone { display: inline-flex; align-items: center; gap: 8px; font-size: 0.9375rem; font-weight: 500; color: var(--text-sub); transition: color var(--ease); }
.brand-phone:hover { color: var(--brand); }
.channel-row {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
  order: 3;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  white-space: nowrap;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-sub);
  transition: background var(--ease), color var(--ease);
}
.nav-link:hover { color: var(--brand); background: var(--brand-light); }
.nav-link.active { background: var(--brand); color: var(--white); }
.nav-link.active::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--white);
  opacity: 0.9;
}
.site-header.is-scrolled .channel-row {
  width: auto;
  flex: 1;
  justify-content: center;
  order: 2;
  border-top: 0;
  padding-top: 0;
}
.site-header.is-scrolled .brand-tools { order: 3; }
.site-header.is-scrolled .brand-phone { display: none; }
.site-header.is-scrolled .logo-text { font-size: 1.125rem; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9688rem;
  line-height: 1.4;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); color: var(--white); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); box-shadow: var(--shadow-accent); }
.btn-secondary { background: transparent; color: var(--brand); border-color: var(--brand); }
.btn-secondary:hover { background: var(--brand-light); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, 0.85); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--white); }
.btn-dark { background: var(--white); color: var(--ink); border-color: var(--white); }
.btn-dark:hover { background: var(--accent); color: var(--white); border-color: var(--accent); }
.btn-lg { padding: 16px 36px; font-size: 1.0625rem; }
.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-block { width: 100%; }
.btn.disabled, .btn:disabled { background: var(--border); border-color: var(--border); color: var(--text-muted); box-shadow: none; transform: none; cursor: not-allowed; }

/* ===== Badges ===== */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; line-height: 1.5; }
.badge-green { background: var(--brand-light); color: var(--brand-dark); }
.badge-orange { background: var(--accent); color: var(--white); }
.badge-gray { background: #F3F4F6; color: var(--text-sub); }

/* ===== Section headings ===== */
.section-head { margin-bottom: 48px; }
.section-eyebrow { display: inline-block; font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.06em; color: var(--brand); background: var(--brand-light); padding: 6px 14px; border-radius: 999px; margin-bottom: 16px; }
.section-title { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; line-height: 1.3; letter-spacing: 0.02em; color: var(--ink); }
.section-title .seq { color: var(--brand); font-size: 0.875em; margin-right: 10px; vertical-align: 2px; }
.section-sub { font-size: 1.0625rem; color: var(--text-sub); max-width: 640px; margin-top: 12px; }
.section-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--brand); transition: color var(--ease); }
.section-link:hover { color: var(--brand-dark); }
.section-head-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 36px; }
.section-head-row .section-sub { margin-top: 8px; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 640px; display: flex; flex-direction: column; justify-content: center; background: var(--ink); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.85; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(8, 40, 32, 0.92) 10%, rgba(8, 40, 32, 0.55) 70%, rgba(8, 40, 32, 0.45)); }
.hero-inner { position: relative; z-index: 2; padding-top: 80px; padding-bottom: 120px; }
.hero-content { max-width: 640px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.22); color: #F3F4F6; font-size: 0.875rem; font-weight: 600; padding: 8px 18px; border-radius: 999px; backdrop-filter: blur(6px); margin-bottom: 28px; }
.hero-badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.hero-title { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.2; letter-spacing: 0.02em; color: var(--white); }
.hero-title .keyword { color: var(--accent); }
.hero-title .subline { display: block; font-size: 0.62em; font-weight: 700; margin-top: 14px; color: #E6F2ED; }
.hero-sub { margin-top: 24px; font-size: 1.125rem; line-height: 1.8; color: #D1D5DB; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 36px; }
.hero-info-bar { position: absolute; left: 0; right: 0; bottom: 0; z-index: 3; background: rgba(12, 26, 22, 0.88); backdrop-filter: blur(8px); border-top: 1px solid rgba(255, 255, 255, 0.1); }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding-top: 20px; padding-bottom: 20px; }
.info-item { display: flex; align-items: center; gap: 14px; color: #E5E7EB; }
.info-icon { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 10px; background: rgba(255, 255, 255, 0.1); color: var(--accent); flex-shrink: 0; }
.info-label { font-size: 0.8125rem; color: #9CA3AF; }
.info-value { font-size: 0.9688rem; font-weight: 600; color: #F3F4F6; }

/* ===== Stats strip ===== */
.stats-bar { background: var(--white); border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; padding: 56px 0; }
.stat-item { text-align: center; padding: 8px 16px; }
.stat-num { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 800; line-height: 1.15; color: var(--brand); letter-spacing: 0.01em; }
.stat-num small { font-size: 0.55em; color: var(--accent); margin-left: 4px; }
.stat-label { margin-top: 8px; font-size: 0.9063rem; color: var(--text-sub); }

/* ===== Timeline ===== */
.timeline { position: relative; padding-left: 40px; }
.timeline::before { content: ""; position: absolute; left: 14px; top: 8px; bottom: 8px; width: 2px; border-left: 2px dashed #D1D5DB; }
.timeline-item { position: relative; padding-left: 24px; padding-bottom: 32px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-node { position: absolute; left: -40px; top: 8px; width: 28px; height: 28px; border-radius: 50%; background: var(--brand); border: 4px solid var(--brand-light); box-shadow: 0 0 0 2px var(--white); }
.timeline-time { font-weight: 700; font-size: 0.9375rem; color: var(--brand-dark); letter-spacing: 0.02em; font-variant-numeric: tabular-nums; margin-bottom: 8px; }
.timeline-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 28px; box-shadow: var(--shadow-sm); transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease); }
.timeline-card:hover { box-shadow: var(--shadow-md); border-color: var(--brand-light); transform: translateY(-2px); }
.timeline-card h3 { font-size: 1.125rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.timeline-speaker { font-size: 0.875rem; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.timeline-desc { font-size: 0.9375rem; color: var(--text-sub); line-height: 1.7; }

/* ===== Guest cards ===== */
.guest-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.guest-card { background: var(--white); border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow-sm); overflow: hidden; transition: box-shadow var(--ease), transform var(--ease); }
.guest-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.guest-thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-alt); }
.guest-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms ease; }
.guest-card:hover .guest-thumb img { transform: scale(1.03); }
.guest-card-body { padding: 24px; }
.guest-card-body h3 { font-size: 1.1875rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; transition: color var(--ease); }
.guest-card:hover .guest-card-body h3 { color: var(--brand); }
.guest-card-body p { font-size: 0.9063rem; color: var(--text-sub); line-height: 1.7; margin-bottom: 14px; }
.guest-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ===== Tickets ===== */
.ticket-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; padding-top: 24px; }
.ticket-card { position: relative; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 32px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; transition: box-shadow var(--ease), transform var(--ease); }
.ticket-card:hover { box-shadow: var(--shadow-md); }
.ticket-card.featured { background: var(--ink); border-color: rgba(255, 255, 255, 0.12); transform: translateY(-16px); z-index: 2; }
.ticket-card.featured:hover { transform: translateY(-18px); }
.ticket-ribbon { position: absolute; top: -14px; right: 28px; background: var(--accent); color: var(--white); font-size: 0.8125rem; font-weight: 700; padding: 6px 18px; border-radius: 999px; box-shadow: var(--shadow-accent); }
.ticket-name { font-size: 1.25rem; font-weight: 700; color: var(--ink); }
.ticket-card.featured .ticket-name { color: var(--white); }
.ticket-price-row { display: flex; align-items: baseline; gap: 6px; margin: 18px 0 4px; }
.ticket-price { font-size: 2.5rem; font-weight: 800; line-height: 1; color: var(--ink); letter-spacing: 0.01em; }
.ticket-card.featured .ticket-price { color: var(--white); }
.ticket-currency { font-size: 1rem; font-weight: 600; color: var(--text-sub); }
.ticket-card.featured .ticket-currency { color: #9CA3AF; }
.ticket-note { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 22px; }
.ticket-card.featured .ticket-note { color: #9CA3AF; }
.ticket-divider { height: 1px; background: var(--line); margin-bottom: 22px; }
.ticket-card.featured .ticket-divider { background: rgba(255, 255, 255, 0.12); }
.ticket-benefits { flex: 1; display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.ticket-benefit { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9063rem; color: var(--text); line-height: 1.6; }
.ticket-card.featured .ticket-benefit { color: #E5E7EB; }
.benefit-check { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 6px; background: var(--brand-light); color: var(--brand); flex-shrink: 0; margin-top: 2px; }
.ticket-card.featured .benefit-check { background: var(--brand); color: var(--white); }

/* ===== Register CTA ===== */
.register-sec { background: var(--ink); color: var(--white); overflow: hidden; }
.register-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
.register-copy h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 700; line-height: 1.3; letter-spacing: 0.02em; color: var(--white); }
.register-copy .highlight { color: var(--accent); }
.register-lead { margin-top: 20px; font-size: 1.0625rem; line-height: 1.8; color: #D1D5DB; }
.register-contacts { margin-top: 32px; display: flex; flex-direction: column; gap: 14px; }
.register-contact { display: flex; align-items: center; gap: 12px; font-size: 0.9375rem; color: #E5E7EB; }
.register-contact svg { color: var(--accent); flex-shrink: 0; }
.register-note { margin-top: 28px; padding: 16px 18px; border-radius: var(--radius-sm); background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1); font-size: 0.8438rem; color: #9CA3AF; line-height: 1.7; }
.form-card { background: var(--white); border-radius: var(--radius); padding: 36px; color: var(--text); box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25); }
.form-card h3 { font-size: 1.375rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.form-card .form-hint { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; color: #374151; margin-bottom: 8px; }
.form-input, .form-select {
  width: 100%;
  height: 48px;
  padding: 10px 16px;
  border: 1px solid #D1D5DB;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  background: var(--white);
  color: var(--text);
  transition: border-color var(--ease), box-shadow var(--ease);
  appearance: none;
}
.form-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%235B6572' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 42px; }
.form-input:focus, .form-select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(11, 122, 90, 0.14); }
.form-input.error, .form-select.error { border-color: var(--error); box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12); }
.form-feedback { font-size: 0.8438rem; margin-top: 14px; min-height: 22px; }
.form-feedback.success { color: var(--success); }
.form-feedback.error { color: var(--error); }
.form-privacy { font-size: 0.8125rem; color: var(--text-muted); margin-top: 14px; line-height: 1.65; }

/* ===== News list (CMS) ===== */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-card { display: flex; align-items: stretch; gap: 24px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease); }
.news-card:hover { box-shadow: var(--shadow-md); border-color: var(--brand-light); transform: translateY(-2px); }
.news-thumb { width: 240px; min-height: 150px; border-radius: var(--radius-sm); overflow: hidden; background: var(--bg-alt); flex-shrink: 0; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms ease; }
.news-card:hover .news-thumb img { transform: scale(1.03); }
.news-body { flex: 1; display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.news-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 8px; }
.news-meta time { font-size: 0.8125rem; color: var(--text-muted); }
.news-body h3 { font-size: 1.125rem; font-weight: 700; color: var(--ink); line-height: 1.5; margin-bottom: 8px; transition: color var(--ease); }
.news-card:hover .news-body h3 { color: var(--brand); }
.news-body p { font-size: 0.9063rem; color: var(--text-sub); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-arrow { display: inline-flex; align-items: center; justify-content: center; width: 44px; color: var(--text-muted); font-size: 1.375rem; transition: color var(--ease), transform var(--ease); flex-shrink: 0; }
.news-card:hover .news-arrow { color: var(--brand); transform: translateX(4px); }
.news-empty { text-align: center; padding: 64px 24px; background: var(--white); border: 1px dashed var(--border); border-radius: var(--radius); color: var(--text-muted); }
.news-empty-icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 16px; background: var(--bg-alt); display: flex; align-items: center; justify-content: center; }
.news-empty strong { display: block; font-size: 1rem; color: var(--text-sub); margin-bottom: 4px; }
.news-empty span { font-size: 0.875rem; }

/* ===== FAQ ===== */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: border-color var(--ease), background var(--ease); }
.faq-item.open { border-color: var(--brand); background: var(--brand-light); box-shadow: var(--shadow-sm); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; background: transparent; border: 0; text-align: left; cursor: pointer; font-size: 1.0313rem; font-weight: 600; color: var(--ink); transition: color var(--ease); }
.faq-item.open .faq-question { color: var(--brand-dark); }
.faq-icon { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: var(--brand-light); color: var(--brand); flex-shrink: 0; transition: transform var(--ease), background var(--ease), color var(--ease); }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--brand); color: var(--white); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 260ms ease, padding 260ms ease; }
.faq-item.open .faq-answer { max-height: 320px; }
.faq-answer-inner { padding: 0 24px 22px 24px; font-size: 0.95rem; line-height: 1.75; color: var(--text-sub); }

/* ===== CTA banner ===== */
.cta-banner { background: var(--ink); border-radius: var(--radius); padding: 56px 48px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px; background-image: linear-gradient(110deg, rgba(11,122,90,0.25), rgba(8,40,32,0.7)), url('/assets/images/backpic/back-2.webp'); background-size: cover; background-position: center; }
.cta-banner h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: var(--white); line-height: 1.4; letter-spacing: 0.02em; }
.cta-banner p { margin-top: 10px; color: #D1D5DB; font-size: 1rem; max-width: 480px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ===== Footer ===== */
.site-footer { background: var(--ink); color: #D1D5DB; border-top: 4px solid var(--brand); }
.footer-main { display: grid; grid-template-columns: 1.4fr 0.8fr 1fr 1fr; gap: 48px; padding: 72px 0 48px; }
.footer-brand .logo-text { color: var(--white); font-size: 1.25rem; }
.footer-brand .logo-mark { background: rgba(255, 255, 255, 0.1); }
.footer-desc { margin-top: 18px; font-size: 0.9063rem; line-height: 1.8; color: #9CA3AF; max-width: 320px; }
.footer-col h4 { font-size: 0.9375rem; font-weight: 700; color: var(--white); letter-spacing: 0.03em; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.875rem; color: #9CA3AF; transition: color var(--ease); }
.footer-col a:hover { color: var(--accent); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.875rem; color: #9CA3AF; line-height: 1.7; }
.footer-contact svg { color: var(--brand); flex-shrink: 0; margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 22px 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; font-size: 0.8125rem; color: #9CA3AF; }

/* ===== Reveal animation ===== */
.has-js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 600ms ease, transform 600ms ease; }
.has-js .reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .guest-grid { grid-template-columns: repeat(2, 1fr); }
  .ticket-grid { grid-template-columns: 1fr 1fr; }
  .ticket-card.featured { transform: none; }
  .ticket-card.featured:hover { transform: translateY(-4px); }
  .ticket-card:last-child { grid-column: 1 / -1; max-width: 520px; margin: 0 auto; }
  .register-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .section { padding: 72px 0; }
}
@media (max-width: 767px) {
  .guest-grid { grid-template-columns: 1fr; }
  .ticket-grid { grid-template-columns: 1fr; }
  .ticket-card:last-child { grid-column: auto; max-width: none; }
  .info-grid { grid-template-columns: 1fr; gap: 12px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .news-card { flex-direction: column; }
  .news-thumb { width: 100%; min-height: 180px; }
  .news-arrow { display: none; }
  .timeline { padding-left: 28px; }
  .timeline-node { left: -28px; width: 24px; height: 24px; }
  .timeline-item { padding-left: 16px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding-top: 56px; }
  .form-card { padding: 28px 20px; }
  .cta-banner { padding: 40px 28px; }
  .btn-lg { width: 100%; justify-content: center; }
  .hero-actions .btn { flex: 1; min-width: 140px; }
}
@media (max-width: 640px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .section { padding: 64px 0; }
  .logo-text { font-size: 1.0625rem; }
  .brand-phone { display: none; }
  .channel-row { overflow-x: auto; scrollbar-width: none; }
  .channel-row::-webkit-scrollbar { display: none; }
  .nav-link { padding: 8px 14px; }
  .site-header.is-scrolled .channel-row { width: 100%; flex: initial; justify-content: flex-start; order: 3; border-top: 1px solid var(--line); padding-top: 8px; }
  .site-header.is-scrolled .header-inner { gap: 8px; }
  .site-header.is-scrolled .brand-tools { order: 2; }
  .hero { min-height: 560px; }
  .hero-inner { padding-top: 48px; padding-bottom: 160px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
:root {
            --brand: #0B7A5A;
            --brand-dark: #085D44;
            --brand-light: #E6F2ED;
            --accent: #F97316;
            --accent-dark: #EA580C;
            --bg: #FAFAF7;
            --bg-alt: #F2F1EC;
            --white: #FFFFFF;
            --ink: #1F2937;
            --ink-sub: #5B6572;
            --ink-faint: #9CA3AF;
            --border: #E5E7EB;
            --divider: #F0EFEA;
            --success: #10B981;
            --error: #EF4444;
            --deep: #10231E;
            --deep-2: #0C1A16;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --shadow-card: 0 1px 3px rgba(16, 35, 30, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(16, 35, 30, 0.12);
            --container: 1200px;
            --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, 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-main);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 1rem;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 150ms ease;
        }

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

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

        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header */
        .site-header {
            position: relative;
            background: var(--white);
            border-bottom: 1px solid var(--divider);
            z-index: 100;
            transition: box-shadow 150ms ease;
        }

        .site-header.is-sticky {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            box-shadow: 0 4px 20px rgba(16, 35, 30, 0.08);
            border-bottom: none;
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            min-height: 72px;
            padding-top: 12px;
            padding-bottom: 12px;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--brand-light);
            border-radius: 10px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.06rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--ink);
            white-space: nowrap;
        }

        .logo-text em {
            font-style: normal;
            color: var(--brand);
        }

        .channel-row {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            min-width: 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }

        .channel-row::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--ink-sub);
            white-space: nowrap;
            transition: background 150ms ease, color 150ms ease;
        }

        .nav-link:hover {
            color: var(--brand);
            background: var(--brand-light);
        }

        .nav-link.active {
            background: var(--brand);
            color: #fff;
            font-weight: 600;
        }

        .nav-link.active::before {
            content: "";
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            flex-shrink: 0;
        }

        .brand-tools {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .brand-phone {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-dark);
        }

        .brand-phone:hover {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 1.5px solid transparent;
            cursor: pointer;
            transition: background 150ms ease, color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
            white-space: nowrap;
            line-height: 1;
        }

        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 0.875rem;
        }

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

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.25);
        }

        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.8);
            color: #fff;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

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

        .btn-outline:hover {
            background: var(--brand-light);
        }

        .btn-white {
            background: #fff;
            color: var(--deep);
        }

        .btn-white:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.25);
        }

        .btn-lg {
            height: 54px;
            padding: 0 40px;
            font-size: 1rem;
        }

        /* Category Banner */
        .category-banner {
            position: relative;
            background: linear-gradient(100deg, rgba(8, 40, 32, 0.92), rgba(8, 40, 32, 0.65)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 76px 0 68px;
            color: #fff;
        }

        .category-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(16, 35, 30, 0.15), rgba(16, 35, 30, 0));
            pointer-events: none;
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.825rem;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.72);
            transition: color 150ms ease;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb span {
            color: rgba(255, 255, 255, 0.45);
        }

        .category-banner h1 {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }

        .category-banner .banner-desc {
            max-width: 560px;
            font-size: 1.05rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
        }

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

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

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

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }

        .section-head .left {
            max-width: 680px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--brand);
            margin-bottom: 12px;
        }

        .section-kicker::before {
            content: "";
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.02em;
            color: var(--ink);
            margin-bottom: 12px;
        }

        .section-sub {
            color: var(--ink-sub);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* Intro */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .intro-media {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }

        .intro-media img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            border-radius: 16px;
        }

        .intro-media::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, rgba(16, 35, 30, 0.35));
            pointer-events: none;
        }

        .intro-content h2 {
            font-size: clamp(1.5rem, 2.5vw, 1.9rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .intro-content p {
            color: var(--ink-sub);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .intro-points {
            margin: 24px 0 0;
            list-style: none;
            display: grid;
            gap: 12px;
        }

        .intro-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--ink);
        }

        .intro-points .pi {
            width: 20px;
            height: 20px;
            border-radius: 6px;
            background: var(--brand-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .intro-points .pi svg {
            width: 12px;
            height: 12px;
            stroke: var(--brand);
            fill: none;
            stroke-width: 2.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border-radius: 16px;
            padding: 32px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform 150ms ease, box-shadow 150ms ease;
        }

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

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--brand-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .feature-icon svg {
            width: 24px;
            height: 24px;
            stroke: var(--brand);
            fill: none;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 0.925rem;
            color: var(--ink-sub);
            line-height: 1.75;
        }

        /* Sub category tags */
        .sub-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 48px;
        }

        .sub-tags a {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            border-radius: 999px;
            background: var(--white);
            border: 1px solid var(--border);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--ink-sub);
            transition: all 150ms ease;
        }

        .sub-tags a:hover {
            background: var(--brand-light);
            border-color: var(--brand);
            color: var(--brand);
        }

        /* Content cards */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .content-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform 150ms ease, box-shadow 150ms ease;
            display: flex;
            flex-direction: column;
        }

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

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

        .content-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }

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

        .content-card .badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }

        .content-card .body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            transition: color 150ms ease;
        }

        .content-card:hover h3 {
            color: var(--brand);
        }

        .content-card .summary {
            font-size: 0.875rem;
            color: var(--ink-sub);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .content-card .meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--ink-faint);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--brand-light);
            color: var(--brand);
            line-height: 1.4;
        }

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

        /* Process / Timeline */
        .process-section {
            background: var(--deep);
            color: #fff;
        }

        .process-section .section-title {
            color: #fff;
        }

        .process-section .section-sub {
            color: rgba(255, 255, 255, 0.65);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-step {
            position: relative;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            padding: 28px 24px;
            transition: background 150ms ease, transform 150ms ease;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }

        .process-step .step-num {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }

        .process-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }

        .process-step .step-line {
            position: absolute;
            top: 32px;
            right: -24px;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, rgba(249, 115, 22, 0.5), transparent);
        }

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

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 22px 24px;
            transition: border-color 150ms ease, background 150ms ease;
            cursor: pointer;
        }

        .faq-item.open {
            border-color: var(--brand);
            background: var(--brand-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.5;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 150ms ease, background 150ms ease;
        }

        .faq-item.open .faq-icon {
            background: var(--brand);
            transform: rotate(45deg);
        }

        .faq-icon svg {
            width: 14px;
            height: 14px;
            stroke: var(--brand);
            stroke-width: 2.5;
            stroke-linecap: round;
        }

        .faq-item.open .faq-icon svg {
            stroke: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 200ms ease;
            font-size: 0.95rem;
            color: var(--ink-sub);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 240px;
            padding-top: 14px;
        }

        /* CTA */
        .cta-section {
            background: var(--deep-2);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(11, 122, 90, 0.35), transparent 70%);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-left h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .cta-left p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 480px;
            margin-bottom: 28px;
            font-size: 1rem;
            line-height: 1.75;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-phone {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            font-weight: 600;
        }

        .cta-phone:hover {
            color: var(--accent);
        }

        .cta-card {
            background: var(--white);
            border-radius: 16px;
            padding: 32px 28px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
        }

        .cta-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--ink);
        }

        .cta-card .form-desc {
            font-size: 0.85rem;
            color: var(--ink-faint);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--ink-sub);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            height: 46px;
            border: 1px solid #D1D5DB;
            border-radius: 12px;
            padding: 0 14px;
            font-size: 0.925rem;
            font-family: var(--font-main);
            color: var(--ink);
            background: var(--white);
            transition: border-color 150ms ease, box-shadow 150ms ease;
            appearance: none;
        }

        .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(11, 122, 90, 0.15);
            outline: none;
        }

        .form-note {
            font-size: 0.8rem;
            color: var(--ink-faint);
            margin-top: 14px;
            text-align: center;
        }

        .form-status {
            font-size: 0.85rem;
            line-height: 1.5;
            margin-top: 12px;
            text-align: center;
            display: none;
        }

        .form-status.success {
            color: var(--success);
            display: block;
        }

        .form-status.error {
            color: var(--error);
            display: block;
        }

        /* Footer */
        .site-footer {
            background: var(--deep);
            border-top: 4px solid var(--brand);
            color: #D1D5DB;
            padding-top: 64px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .footer-brand .logo-mark {
            background: rgba(255, 255, 255, 0.08);
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #9CA3AF;
            margin-top: 16px;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            display: grid;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.875rem;
            color: #9CA3AF;
            transition: color 150ms ease;
        }

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

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.875rem;
            color: #9CA3AF;
            line-height: 1.6;
        }

        .footer-contact svg {
            flex-shrink: 0;
            margin-top: 3px;
            stroke: var(--brand);
            color: var(--brand);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0 28px;
            font-size: 0.825rem;
            color: #9CA3AF;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-main {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 900px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

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

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

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

            .cta-inner {
                grid-template-columns: 1fr;
            }

            .brand-phone {
                display: none;
            }
        }

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

            .header-inner {
                gap: 12px;
                min-height: 64px;
            }

            .logo-text {
                font-size: 0.95rem;
            }

            .channel-row {
                order: 3;
                flex-basis: 100%;
                padding-top: 6px;
                border-top: 1px solid var(--divider);
            }

            .header-inner {
                flex-wrap: wrap;
            }

            .brand-tools .btn-sm {
                display: none;
            }

            .category-banner {
                padding: 52px 0 48px;
            }
        }

        @media (max-width: 640px) {
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 32px;
            }

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

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

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

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

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

/* roulang page: article */
:root {
  --brand: #0B7A5A;
  --brand-dark: #085D44;
  --brand-light: #E6F2ED;
  --accent: #F97316;
  --accent-hover: #EA580C;
  --bg-warm: #FAFAF7;
  --bg-white: #FFFFFF;
  --bg-gray: #F2F1EC;
  --bg-deep: #10231E;
  --bg-deeper: #0C1A16;
  --text-primary: #1F2937;
  --text-secondary: #5B6572;
  --text-placeholder: #9CA3AF;
  --text-on-dark: #F3F4F6;
  --text-on-dark-secondary: #D1D5DB;
  --border: #E5E7EB;
  --border-light: #F0EFEA;
  --success: #10B981;
  --error: #EF4444;
  --radius-card: 16px;
  --radius-btn: 999px;
  --radius-input: 12px;
  --radius-badge: 6px;
  --shadow-card: 0 1px 3px rgba(16, 35, 30, 0.06);
  --shadow-hover: 0 12px 32px rgba(16, 35, 30, 0.12);
  --shadow-accent: 0 8px 24px rgba(249, 115, 22, 0.25);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background-color: var(--bg-warm);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; transition: color 150ms ease; }
a:hover { color: var(--brand-dark); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ====== Header ====== */
.site-header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 8px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--brand-light);
  border-radius: 12px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.logo-text em { font-style: normal; color: var(--brand); }
.channel-row {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex: 1;
  justify-content: center;
  padding: 0 8px;
}
.channel-row::-webkit-scrollbar { display: none; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: all 150ms ease;
  text-decoration: none;
}
.nav-link:hover { color: var(--brand); background: var(--brand-light); }
.nav-link.active { background: var(--brand); color: #fff; font-weight: 600; }
.nav-link.active::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  margin-right: 2px;
}
.brand-tools { display: flex; align-items: center; gap: 12px; }
.brand-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}
.brand-phone svg { color: var(--brand); }

/* ====== Buttons ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  border: none;
  cursor: pointer;
  transition: all 150ms ease;
  text-decoration: none;
  min-height: 48px;
}
.btn:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-accent); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(234,88,12,0.3); color: #fff; }
.btn-primary:active { transform: translateY(0); }
.btn-sm { min-height: 40px; padding: 8px 20px; font-size: 0.875rem; }
.btn-outline { background: transparent; border: 1.5px solid var(--brand); color: var(--brand); }
.btn-outline:hover { background: var(--brand-light); color: var(--brand-dark); transform: translateY(-2px); }

/* ====== Breadcrumb ====== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 40px 0 4px;
}
.breadcrumb a { color: var(--text-secondary); text-decoration: none; transition: color 150ms ease; }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { color: var(--text-placeholder); }
.breadcrumb .current { color: var(--text-primary); font-weight: 500; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ====== Article ====== */
.article-wrapper { padding: 24px 0 40px; }
.article-container { max-width: 760px; margin: 0 auto; }
.article-header { margin-bottom: 40px; text-align: center; }
.article-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.article-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-placeholder); flex-shrink: 0; }
.article-meta .category-badge {
  background: var(--brand-light);
  color: var(--brand-dark);
  padding: 3px 12px;
  border-radius: var(--radius-badge);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.article-content {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--text-primary);
  background: var(--bg-white);
  border-radius: var(--radius-card);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  padding: 48px;
}
.article-content p { margin-bottom: 1.5em; }
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2em;
  margin-bottom: 0.75em;
  color: var(--text-primary);
  line-height: 1.3;
  letter-spacing: 0.02em;
}
.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  color: var(--text-primary);
}
.article-content h4 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-top: 1.25em;
  margin-bottom: 0.5em;
  color: var(--text-primary);
}
.article-content img { border-radius: 12px; margin: 1.5em 0; width: 100%; }
.article-content figure { margin: 1.5em 0; }
.article-content figcaption {
  font-size: 0.8125rem;
  color: var(--text-placeholder);
  text-align: center;
  margin-top: 8px;
}
.article-content blockquote {
  border-left: 4px solid var(--brand);
  background: var(--bg-gray);
  padding: 20px 24px;
  border-radius: 0 12px 12px 0;
  margin: 1.5em 0;
  color: var(--text-secondary);
  font-style: normal;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content ul, .article-content ol { margin: 1.5em 0; padding-left: 1.5em; }
.article-content li { margin-bottom: 0.5em; }
.article-content a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--brand-dark); text-decoration-thickness: 2px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 0.9375rem; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 16px; text-align: left; }
.article-content th { background: var(--bg-gray); font-weight: 600; }
.article-content code {
  background: var(--bg-gray);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.875em;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
.article-content pre {
  background: var(--bg-deep);
  color: var(--text-on-dark);
  border-radius: 12px;
  padding: 24px;
  margin: 1.5em 0;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.7;
}
.article-content pre code { background: none; border: none; color: inherit; padding: 0; }
.article-content hr { border: none; border-top: 1px solid var(--border-light); margin: 2em 0; }

/* ====== Related ====== */
.related-section { margin-top: 56px; }
.related-title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.related-title::before {
  content: '';
  width: 4px;
  height: 22px;
  background: var(--brand);
  border-radius: 2px;
  flex-shrink: 0;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light);
  transition: all 150ms ease;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  text-decoration: none;
}
.related-card .card-img {
  aspect-ratio: 1/1;
  overflow: hidden;
  background: var(--bg-gray);
}
.related-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 150ms ease;
}
.related-card:hover .card-img img { transform: scale(1.03); }
.related-card .card-body { padding: 16px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.related-card .card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
  transition: color 150ms ease;
}
.related-card:hover .card-title { color: var(--brand); }
.related-card .card-date { font-size: 0.8125rem; color: var(--text-placeholder); margin-top: auto; }

/* ====== Back Link ====== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 150ms ease;
  padding: 10px 0;
}
.back-link:hover { color: var(--brand); gap: 12px; text-decoration: none; }
.back-link svg { transition: transform 150ms ease; }
.back-link:hover svg { transform: translateX(-4px); }

/* ====== Not Found ====== */
.not-found {
  text-align: center;
  padding: 80px 24px;
  max-width: 600px;
  margin: 0 auto;
}
.not-found .icon {
  font-size: 56px;
  margin-bottom: 20px;
  color: var(--text-placeholder);
  line-height: 1;
}
.not-found h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.not-found p { color: var(--text-secondary); margin-bottom: 28px; }

/* ====== Footer ====== */
.site-footer {
  background: var(--bg-deep);
  color: var(--text-on-dark-secondary);
  border-top: 4px solid var(--brand);
  margin-top: 80px;
}
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.4fr 1fr;
  gap: 48px;
  padding: 64px 0 40px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: var(--text-on-dark); }
.footer-brand .logo .logo-mark { background: rgba(11,122,90,0.25); }
.footer-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-on-dark-secondary);
  max-width: 360px;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; font-size: 0.875rem; }
.footer-col ul li a { color: var(--text-on-dark-secondary); text-decoration: none; transition: color 150ms ease; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  line-height: 1.6;
}
.footer-contact svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--brand);
  width: 16px;
  height: 16px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8125rem;
  color: #9CA3AF;
}
.footer-bottom a { color: #9CA3AF; text-decoration: none; }
.footer-bottom a:hover { color: var(--accent); }

/* ====== Responsive ====== */
@media (max-width: 1024px) {
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; }
  .channel-row { order: 3; width: 100%; justify-content: flex-start; padding: 8px 0 0; }
  .brand-tools { gap: 8px; }
}
@media (max-width: 768px) {
  .brand-phone { display: none; }
  .related-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .article-wrapper { padding: 16px 0 40px; }
  .breadcrumb { padding-top: 24px; }
  .article-content { padding: 32px 24px; }
  .article-header { margin-bottom: 28px; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .header-inner .btn-sm { display: none; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 24px; padding: 40px 0 24px; }
  .footer-bottom { flex-direction: column; text-align: center; padding: 16px 0; }
  .article-meta { gap: 8px; }
  .article-content { font-size: 1rem; padding: 24px 16px; }
  .article-title { font-size: 1.5rem; }
  .breadcrumb .current { max-width: 160px; }
}